Alternatives to Red Hat Runtimes
Compare Red Hat Runtimes alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Red Hat Runtimes in 2026. Compare features, ratings, user reviews, pricing, and more from Red Hat Runtimes competitors and alternatives in order to make an informed decision for your business.
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1
Zulu Enterprise
Azul Systems
Azul Zulu is a 100% open source, fully standards-compliant Java Development Kit (JDK) and runtime platform with flexible pricing and support plans, no proprietary licenses or field of use restrictions, timely security updates, and the industry’s best support from Azul’s globally-distributed support team. The level of support is extremely important to many customers, as one survey respondent, a VP of Global Information Security, explained: “One of the big benefits of Zulu is its strong support and the optionality of the level of support you want to receive. Customers perceive Azul as really trying to work with them to find the best solution that fits their business needs.”Starting Price: Up to 5 Desktops $112.5 USD/year -
2
Azul Platform Prime
Azul Systems
Azul Platform Prime turbocharges the performance and scalability of your Java ecosystem with a hyper-optimized runtime that maximizes performance while driving down infrastructure costs. Get more transactions from the same hardware and accelerate Java performance, even as loads increase. Slash capital expenses for servers by as much as 50%, cut operating expenses for cloud services (with no over-provisioning), and drive continuous value. Maintain consistent response times, reduce system stalls, and provide better services—all with less infrastructure. From big data to payment processing, the demand of today’s advanced applications creates untenable infrastructure costs for the enterprise. Azul Platform Prime transforms the economics of deploying these applications in the cloud, driving down costs and enabling competitive advantage. -
3
JHipster
JHipster
JHipster is a development platform to quickly generate, develop, and deploy modern web applications and microservice architectures. We support many frontend technologies, including Angular, React, and Vue. We even have mobile app support for Ionic and React Native! On the backend, we support Spring Boot (with Java or Kotlin), Micronaut, Quarkus, Node.js, and . NET. For deployment, we embrace cloud-native principles with Docker and Kubernetes. Deployment support exists for AWS, Azure, Cloud Foundry, Google Cloud Platform, Heroku, and OpenShift. Our goal is to generate a complete and modern web app or microservice architecture. A high-performance and robust server-side stack with excellent test coverage. A sleek, modern, mobile-first UI with Angular, React, or Vue + Bootstrap for CSS. A powerful workflow to build your application with Webpack and Maven or Gradle. Resilient microservice architecture with cloud-native principles in mind. -
4
Quarkus
Quarkus
Quarkus tailors your application for GraalVM and HotSpot. Amazingly fast boot time, incredibly low RSS memory (not just heap size!) offering near-instant scale up and high-density memory utilization in container orchestration platforms like Kubernetes. We use a technique we call compile time boot. Quarkus provides a cohesive, fun-to-use, full-stack framework by leveraging a growing list of over fifty best-of-breed libraries that you love and use. A cohesive platform for optimized developer joy with unified configuration and no hassle native executable generation. Zero configs, live reload in the blink of an eye, and streamlined code for the 80% common usages, flexible for the remainder 20%. The combination of Quarkus and Kubernetes provides an ideal environment for creating scalable, fast, and lightweight applications. Quarkus significantly increases developer productivity with tooling, pre-built integrations, application services, and more. -
5
Apache Camel
Apache Software Foundation
Camel is an Open Source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data. Camel supports most of the Enterprise Integration Patterns from the excellent book by Gregor Hohpe and Bobby Woolf, and newer integration patterns from microservice architectures to help you solve your integration problem by applying best practices out of the box. Apache Camel is standalone, and can be embedded as a library within Spring Boot, Quarkus, Application Servers, and in the clouds. Camel subprojects focus on making your work easy. Packed with several hundred components that are used to access databases, message queues, APIs or basically anything under the sun. Helping you integrate with everything. Camel supports around 50 data formats, allowing to translate messages in multiple formats, and with support from industry standard formats from finance, telco, health-care, and more. -
6
CoreIDE
CoreIDE
CoreIDE is a full stack IDE for Java, JavaScript, Node.js and TypeScript developers who work on Spring, Spring Boot, React, Express, Vue, Backbone, AngularJS and other web framework based applications. The IDE is not only limited to web development, you can use it to develop other type of projects like desktop, command line, mobile or stand alone applications. It's free Community version contains all the available features. Java • JavaScript • Node.js • TypeScript • Spring • Spring Boot • React • Express • Vue • Backbone • AngularJSStarting Price: Free -
7
Karaf
Apache Software Foundation
Karaf provides modulith runtime for the enterprise, running on premise or on cloud. Focus on your business code and applications, Apache Karaf deals with the rest. Karaf is the modulith runtime, supporting a wide range of frameworks and technologies. Karaf provides enterprise ready features: shell console, remote access, hot deployment, dynamic configuration and many more. Karaf projects provide additional features like clustering, complete monitoring and alerting, application repository. Run anywhere (on any machine with Java, cloud, docker images) running your applications with Karaf. Karaf is a lightweight, powerful, and enterprise ready modulith runtime. It provides all the ecosystem and bootstrapping options you need for your applications. It runs on premise or on cloud. This modulith runtime supports several frameworks and different kind of applications: REST/API, Web, Spring Boot, and much more. -
8
AtlasMap
AtlasMap
AtlasMap is a data mapping solution with interactive web based user interface, that simplifies configuring integrations between Java, XML, CSV and JSON data sources. You can design your data mapping with AtlasMap Data Mapper UI canvas, and then run that data mapping via runtime engine. In addition to plain Java API provided by runtime engine, camel-atlasmap Component is also available to perform data mapping as a part of Apache Camel route. There is also a Camel Quarkus extension available. The easiest way to use AtlasMap Data Mapper UI is the standalone mode. Or you can use it through a VS Code plugin. Historically, the AtlasMap Data Mapper UI was designed to work within Syndesis UI and it’s still a best way to experience full benefits of integrated typed data mapping with UI. You can install and run Syndesis by following the Syndesis Developer Handbook. You will find the AtlasMap Data Mapper UI under the integrations panel after selecting or adding an integration with a Data Mapper. -
9
HtmlUnit
HtmlUnit
HtmlUnit is a "GUI-Less browser for Java programs" that models HTML documents and provides an API to interact with web pages, such as invoking pages, filling out forms, and clicking links, similar to a standard web browser. It offers fairly good JavaScript support, which is constantly improving and is capable of handling complex AJAX libraries, simulating browsers like Chrome, Firefox, or Edge depending on the configuration used. Typically used for testing purposes or retrieving information from websites, HtmlUnit is not a generic unit testing framework but is intended to simulate a browser within another testing framework such as JUnit or TestNG. It is utilized as the underlying "browser" by various open source tools like WebDriver, Arquillian Drone, and Serenity BDD, and is employed by many projects for automated web testing, including Apache Shiro, Apache Struts, and Quarkus.Starting Price: Free -
10
SwayDB
SwayDB
Embeddable persistent and in-memory key-value storage engine for high performance & resource efficiency. Designed to be efficient at managing bytes on-disk and in-memory by recognising reoccurring patterns in serialised bytes without restricting the core implementation to any specific data model (SQL, NoSQL etc) or storage type (Disk or RAM). The core provides many configurations that can be manually tuned for custom use-cases, but we aim implement automatic runtime tuning when we are able to collect and analyse runtime machine statistics & read-write patterns. Manage data by creating familiar data structures like Map, Set, Queue, SetMap, MultiMap that can easily be converted to native Java and Scala collections. Perform conditional updates/data modifications with any Java, Scala or any native JVM code - No query language. -
11
Node.js
Node.js
As an asynchronous event-driven JavaScript runtime, Node.js is designed to build scalable network applications. Upon each connection, the callback is fired, but if there is no work to be done, Node.js will sleep. This is in contrast to today's more common concurrency model, in which OS threads are employed. Thread-based networking is relatively inefficient and very difficult to use. Furthermore, users of Node.js are free from worries of dead-locking the process, since there are no locks. Almost no function in Node.js directly performs I/O, so the process never blocks except when the I/O is performed using synchronous methods of Node.js standard library. Because nothing blocks, scalable systems are very reasonable to develop in Node.js. Node.js is similar in design to, and influenced by, systems like Ruby's Event Machine and Python's Twisted. Node.js takes the event model a bit further. It presents an event loop as a runtime construct instead of as a library.Starting Price: Free -
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Cloud Foundry ensures that the build and deploy aspects of coding remain carefully coordinated with any attached services — resulting in quick, consistent and reliable iterating of applications. As an industry-standard platform as a service (PaaS), Cloud Foundry ensures the fastest, easiest and most reliable deployment of cloud-native applications. IBM offers the Cloud Foundry PaaS in several hosting models, allowing you to customize your PaaS experience and balance a range of considerations, including price, deployment speed and security. Cloud Foundry includes runtimes for Java, Node.js, PHP, Python, Ruby, ASP.NET, Tomcat, Swift and Go. Community build packs are also available. Combined with DevOps services, the application runtimes enable a delivery pipeline that automates much of the iterative development process.
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13
OpenTelemetry
OpenTelemetry
High-quality, ubiquitous, and portable telemetry to enable effective observability. OpenTelemetry is a collection of tools, APIs, and SDKs. Use it to instrument, generate, collect, and export telemetry data (metrics, logs, and traces) to help you analyze your software’s performance and behavior. OpenTelemetry is generally available across several languages and is suitable for use. Create and collect telemetry data from your services and software, then forward them to a variety of analysis tools. OpenTelemetry integrates with popular libraries and frameworks such as Spring, ASP.NET Core, Express, Quarkus, and more! Installation and integration can be as simple as a few lines of code. 100% Free and Open Source, OpenTelemetry is adopted and supported by industry leaders in the observability space. -
14
Grails
Grails
A powerful Groovy-based web application framework for the JVM built on top of Spring Boot. Convention-over-configuration, sensible defaults, opinionated APIs, and the Groovy language combine to make the Grails® framework easy to learn for Java developers. The Grails framework is built on top of Spring Boot and leverages Spring Boot's time-saving features, such as Spring-powered dependency injection. The Grails framework seamlessly and transparently integrates and interoperates with Java, the JVM, and existing Java EE containers. Apache Groovy is a language for the Java platform designed to enhance developers' productivity. It is an optionally-typed and dynamic language but with static-typing and static compilation capabilities. The Grails framework seamlessly integrates with GORM, a data access toolkit that provides a rich set of APIs for accessing relational and non-relational data. GORM also includes implementations for Hibernate (SQL), MongoDB, Cassandra, and Neo4j.Starting Price: Free -
15
Calljmp
Calljmp
Calljmp is a developer-first AI agent runtime designed to build, run, and scale long-running stateful workflows written in TypeScript. While many modern tools like Mastra AI provide rich frameworks to define agents and workflows, Calljmp focuses on actually running them reliably in production. Calljmp combines agent logic, durable execution, human-in-the-loop pause/resume, retries with idempotency, and built-in observability into a unified execution environment. Developers implement agents as code, and the runtime guarantees reliable execution, state persistence, and operational visibility without gluing together custom queues, databases, and monitoring stacks. Calljmp is ideal for engineering teams, product developers, and backend architects who want to embed intelligent agents into product systems while offloading execution complexity to a purpose-built runtime.Starting Price: Free -
16
Node-RED
Node-RED
Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways. It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes in the palette that can be deployed to its runtime in a single-click. Node-RED provides a browser-based flow editor that makes it easy to wire together flows using the wide range of nodes in the palette. Flows can be then deployed to the runtime in a single-click. JavaScript functions can be created within the editor using a rich text editor. A built-in library allows you to save useful functions, templates or flows for re-use. The light-weight runtime is built on Node.js, taking full advantage of its event-driven, non-blocking model. This makes it ideal to run at the edge of the network on low-cost hardware such as the Raspberry Pi as well as in the cloud. -
17
ServiceStage
Huawei Cloud
Deploys your applications using containers, VMs, or serverless, and easily implements auto scaling, performance analysis, and fault diagnosis. Supports native Spring Cloud and Dubbo frameworks and Service Mesh, provides all-scenario capabilities, and supports mainstream languages such as Java, Go, PHP, Node.js, and Python. Supports cloud-native transformation of Huawei core services, meeting strict performance, usability, and security compliance requirements. Development frameworks, running environments, and common components are available for web, microservice, mobile, and AI applications. Full management of applications throughout the entire process, including deployment and upgrade. Monitoring, events, alarms, logs, and tracing diagnosis, and built-in AI capabilities, making O&M easy. Creates a flexibly customizable application delivery pipeline with only a few clicks.Starting Price: $0.03 per hour-instance -
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AppFactor
AppFactor
AppFactor significantly reduces the cost and labor that would otherwise be required for a manual application modernization project. Post modernization, our platform empowers teams to deploy, operate, and maintain existing applications more efficiently and cost-effectively, Increase engineering velocity, level-up your business-critical applications, streamline innovation, and gain a competitive edge. Quickly transform legacy physical and virtual server-based apps into cloud-native form to kickstart iterative modernization of architecture, deployment, and improvements. Intelligently persist runtime and process-to-process relationships from multiple server hosts into cloud-native architectures. Accelerate and induct legacy apps into CI/CD pipelines. Remove older physical and virtual infrastructure along with having to maintain operating systems. Simplify cloud migration by modernizing as you go to more mature cloud services such as Kubernetes platforms or PaaS. -
19
Flowhub IDE
Flowhub
Flowhub IDE is a tool for building full-stack applications in a visual way. With the ecosystem of flow-based programming environments, you can use Flowhub to create anything from distributed data processing applications to internet-connected artworks. Flow-based programming for JavaScript. Runs in both browser and Node.js. Flow-based environment for distributed, heterogeneous data processing with message queues. Flow-based programming for microcontrollers like Arduinos. Toolkit for building IoT systems. Flowhub supports any runtimes compatible with the FBP protocol. You can integrate any custom dataflow systems with it. Coding starts on the white-board. Keep it that way with Flowhub! The “graph” displays your software flow clearly, concisely and beautifully. Flowhub has been designed ground-up for touchscreen usage, enabling you to work on your tablet while on the go. For component editing a keyboard might still be nice, though. -
20
Eclipse IDE
Eclipse Foundation
Eclipse IDE The Leading Open Platform for Professional Developers used in computer programming. Better Than Ever. The Eclipse IDE delivers what you need to rapidly innovate. Easier IDE configuration The Eclipse IDE Installer 2020-09 and several packages now include a Java Runtime Environment (JRE). Improved theming and styling. Improved Windows dark theme and GTK light theme. Moving to bleeding edge. Eclipse IDE now needs Java 11 as a minimum version to run on, but you can compile any version as usual. New experimental features. Support for aarch64. Linux support landed this version. Node.js is now embedded For all our LSP-based toolings, Node.js is now embedded to make things work out of the box Free and open source Free and open source; released under the terms of the Eclipse Public License 2.0. Powered by Participation. A vast ecosystem of plugins from an active community -
21
Seagence
Seagence Technologies
Using Seagence’s unique execution path technology combined with machine learning, receive realtime alerts with root cause when defects occur in your production Java applications. Fix your code without needing any debugging. Attach a lightweight runtime java agent when you start your application. As your users access the application, Seagence agent collects data about how requests are being processed. So give Seagence 24 hours to collect enough sample for analysis. The collected data is fed to Seagence's analytics engine in realtime which finds defects when they occur and alerts. Know that Seagence unearths all defects in your application including unknown. With Seagence provided defect and root cause in hand, you fix your broken code. Continuously monitoring your production application, Seagence proactively finds defects and their root cause in realtime thus eliminating the need for debugging.Starting Price: $52 per month -
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A flexible, security-rich Java server runtime environment for enterprise applications. IBM WebSphere Application Server accelerates application delivery with a highly reliable Java Enterprise Edition-based runtime environment. It supports microservices and standards-based programming models designed to help you modernize at your own pace, gain visibility across workloads, analyze enterprise applications and advance your journey to Kubernetes. IBM WebSphere Application Server is a flexible, secure Java server runtime environment for enterprise applications. Deploy and manage applications and services regardless of time, location or device type. Integrated management and administrative tools provide enhanced security and control, and support for multicloud environments lets you choose your deployment method. Continuous delivery capabilities and services help you to respond at the speed of your business needs.
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23
StackBlitz WebContainers
StackBlitz
StackBlitz WebContainers bring a full Node.js runtime directly into the browser, enabling instant, secure, and interactive development environments inside any web app. Developers can run native npm, pnpm, and yarn at speeds up to 10× faster than local, without needing external servers. The API lets you boot containers, mount files, install dependencies, and run dev servers entirely client-side. WebContainers support major frameworks, Wasm workloads, and modern browsers, making them ideal for tutorials, sandboxes, docs, and AI-driven developer tools. With isolated, disposable environments, teams can offer a seamless coding experience that feels native and eliminates backend overhead. The result is a powerful platform that transforms web apps into full-featured IDEs. -
24
FF4J
FF4J
Feature flags for java made easy. Enable. and disable features at runtime - no deployment. Implement multiple paths in your code with predicates evaluated dynamically (if/then/else). Enable features not only with flag values but also drive access with roles and groups (Canary Release). Different frameworks supported starting by Spring Security. Implement custom predicates (Strategy Pattern) to evaluate if a feature is enabled. Some are provided out of the box: White/Black lists ,Time based, Expression based. Connect external source like a Drools rule engine. Keep your code clean and readable: Avoid nested if statements but use annotations. Thanks to Spring AOP target implementation is pick at runtime, and thus driven by feature statuses. For each features execution, ff4j evaluates the predicate therefore it's possible to collect and record events, metrics to compute nice dashboards or draw curves for features usage over time. -
25
Open Container Initiative (OCI)
Open Container Initiative (OCI)
The Open Container Initiative is an open governance structure for the express purpose of creating open industry standards around container formats and runtimes. Established in June 2015 by Docker and other leaders in the container industry, the OCI currently contains two specifications, the runtime specification (runtime-spec) and the image specification (image-spec). The runtime specification outlines how to run a “filesystem bundle” that is unpacked on disk. At a high-level an OCI implementation would download an OCI Image then unpack that image into an OCI Runtime filesystem bundle. At this point the OCI Runtime Bundle would be run by an OCI Runtime. The Open Container Initiative (OCI) is a lightweight, open governance structure (project), formed under the auspices of the Linux Foundation, for the express purpose of creating open industry standards around container formats and runtime. The OCI was launched on June 22nd 2015 by Docker, CoreOS and other leaders. -
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Oracle Cloud Functions
Oracle
Oracle Cloud Infrastructure (OCI) Functions is a serverless computing service that enables developers to create, run, and scale applications without managing infrastructure. Built on the open source Fn Project, it supports multiple programming languages, including Python, Go, Java, Node.js, and C#, allowing for flexible function development. Developers can deploy code directly, with OCI handling automatic provisioning and scaling of resources. It offers provisioned concurrency to maintain low-latency execution, ensuring functions are ready to accept calls instantly. A catalog of prebuilt functions is available, enabling rapid deployment of common tasks without the need to write code from scratch. Functions are packaged as Docker images, and advanced users can utilize Dockerfiles to customize runtime environments. Integration with Oracle Identity and Access Management provides fine-grained access control, while OCI Vault securely stores sensitive configuration data.Starting Price: $0.0000002 per month -
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Spring Framework
Spring
Spring makes programming Java quicker, easier, and safer for everybody. Spring’s focus on speed, simplicity, and productivity has made it the world's most popular Java framework. Spring’s flexible libraries are trusted by developers all over the world. Spring delivers delightful experiences to millions of end-users every day—whether that’s streaming TV, online shopping, or countless other innovative solutions. Spring’s flexible and comprehensive set of extensions and third-party libraries let developers build almost any application imaginable. At its core, Spring Framework’s Inversion of Control (IoC) and Dependency Injection (DI) features provide the foundation for a wide-ranging set of features and functionality. Whether you’re building secure, reactive, cloud-based microservices for the web, or complex streaming data flows for the enterprise, Spring has the tools to help.Starting Price: Free -
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JSDefender
PreEmptive
Cutting-edge JavaScript obfuscation techniques with control-flow flattening, tamper detection and other in-app protection transforms. We would not send our own unprotected code to a remote service controlled by third parties and we would not expect you to either. JSDefender supports major JavaScript frameworks, runtimes, and bundlers including Angular, Node, React, React Native, Webpack and others. Unlike languages like .NET and Java that are compiled to intermediate, stack-based assembly instructions before being distributed in binary form, JavaScript apps are typically distributed in source form. This means that your code is directly visible to anyone with access to the execution environment (like a browser). So, potential attackers can very easily step through the running code using a debugger built into their browser, or use other tools to statically analyze the code for vulnerabilities. -
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WebContainers
WebContainers
WebContainers, developed by StackBlitz, are a browser-based runtime environment that enables the execution of Node.js applications and operating system commands directly within a web browser tab. This technology allows developers to build instant, interactive coding experiences, from tutorials to full-fledged integrated development environments, without the need for local setups or cloud-based virtual machines. By running entirely client-side, WebContainers offer unmatched user experiences with zero latency, offline capabilities, and enhanced security, as they eliminate the risks associated with server-side code execution. They support native Node.js toolchains, including npm, pnpm, and yarn, and are compatible with major modern frameworks. Additionally, WebContainers facilitate the running of WebAssembly (Wasm) out of the box, allowing for the porting of various languages and frameworks to the browser environment.Starting Price: $18 per month -
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Deno
Deno
Deno is a simple, modern and secure runtime for JavaScript, TypeScript, and WebAssembly that uses V8 and is built in Rust. Deno comes with a manual which contains more in depth explanations about the more complex functions of the runtime, an introduction to the concepts that Deno is built on, details about the internals of Deno, how to embed Deno in your own application and how to extend Deno using Rust plugins. Next to the Deno runtime, Deno also provides a list of audited standard modules that are reviewed by the Deno maintainers and are guaranteed to work with a specific Deno version. These live in the denoland/deno_std repository.Starting Price: Free -
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Apache Groovy
The Apache Software Foundation
Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at improving developer productivity thanks to a concise, familiar and easy to learn syntax. It integrates smoothly with any Java program, and immediately delivers to your application powerful features, including scripting capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional programming. Concise, readable and expressive syntax, easy to learn for Java developers. Closures, builders, runtime & compile-time meta-programming, functional programming, type inference, and static compilation. Flexible & malleable syntax, advanced integration & customization mechanisms, to integrate readable business rules in your applications. Great for writing concise and maintainable tests, and for all your build and automation tasks.Starting Price: Free -
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RapiDoc
RapiDoc
Free of any frameworks, setups, configs, build steps, or packaging. Can be used with any framework or just with vanilla Javascript. Style it to your heart's content. Change font, logo, colors, and theme. Inject external HTML or embed it into another HTML document. Create beautiful, customizable, interactive API documentation from OpenAPI specification. Use It just like any other HTML tag, Change its attribute using JavaScript and see it react to those changes. Basic knowledge of HTML is all that's required. Minimal dependencies, no runtime, and no virtual DOM ensure the lowest memory consumption, Just the native and raw speed of modern browsers. Loved by tech writers, designers, dev-ops, testers, and developers alike, due to its simplicity, interoperability, and powerful features. No special build-steps, runtime, or framework are required. Comes with built-in console to Try out the APIs. Supports authentication mechanism. No validation ensures you can test negative cases.Starting Price: Free -
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Apache ServiceMix
Apache Software Foundation
Apache ServiceMix is a flexible, open-source integration container that unifies the features and functionality of Apache ActiveMQ, Camel, CXF, and Karaf into a powerful runtime platform you can use to build your own integrations solutions. It provides a complete, enterprise ready ESB exclusively powered by OSGi. Reliable messaging with Apache ActiveMQ. Messaging, routing and Enterprise Integration Patterns with Apache Camel. WS and RESTful web services with Apache CXF. OSGi-based server runtime powered by Apache Karaf. BPM engine via Activiti. Full JPA support via Apache OpenJPA. XA transaction management via JTA via Apache Aries. Legacy support for the JBI standard (deprecated after the ServiceMix 3.x series) through the Apache ServiceMix NMR that includes a rich Event, Messaging and Audit API. Applications for ServiceMix can be built using OSGi Blueprint, OSGi Declarative Services, and Spring DM (legacy). -
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Clojure
Clojure
Clojure is a robust, practical, and fast programming language with a set of useful features that together form a simple, coherent, and powerful tool. Clojure is a dynamic, general-purpose programming language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming. Clojure is a compiled language, yet remains completely dynamic, every feature supported by Clojure is supported at runtime. Clojure provides easy access to the Java frameworks, with optional type hints and type inference, to ensure that calls to Java can avoid reflection. Clojure is a dialect of Lisp, and shares with Lisp the code-as-data philosophy and a powerful macro system. Clojure is predominantly a functional programming language and features a rich set of immutable, persistent data structures. When a mutable state is needed, Clojure offers a software transactional memory system and reactive Agent system.Starting Price: Free -
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TypeScript
TypeScript
TypeScript adds additional syntax to JavaScript to support a tighter integration with your editor. Catch errors early in your editor. TypeScript code converts to JavaScript, which runs anywhere JavaScript runs: In a browser, on Node.js or Deno and in your apps. TypeScript understands JavaScript and uses type inference to give you great tooling without additional code. TypeScript was used by 78% of the 2020 State of JS respondents, with 93% saying they would use it again. The most common kinds of errors that programmers write can be described as type errors: a certain kind of value was used where a different kind of value was expected. This could be due to simple typos, a failure to understand the API surface of a library, incorrect assumptions about runtime behavior, or other errors.Starting Price: Free -
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Fluree
Fluree
Fluree is an immutable RDF graph database written in Clojure and adhering to W3C standards, supporting JSON and JSON-LD while accommodating various RDF ontologies; it boasts a scalable, cloud-native architecture utilizing a lightweight Java runtime, with individually scalable ledger and graph database components, embodying a "Data-Centric" ideology that treats data as a reusable asset independent of singular applications, underpinned by an immutable ledger that secures transactions with cryptographic integrity, alongside a rich RDF graph database capable of various queries, and employs SmartFunctions for enforcing data management rules, including identity and access management and data quality. -
37
Perst
McObject
Perst is McObject’s open source, dual license, object-oriented embedded database system (ODBMS). It is available in one edition developed as an all-Java embedded database, and another implemented in C# (for Microsoft .NET Framework applications). Perst gives developers the ability to store, sort, and retrieve objects in their applications with maximum speed and with low memory and storage overhead while leveraging the object-oriented paradigm of Java and C#. In the TestIndex and PolePosition benchmarks, Perst displays one of its strongest features: its significant performance advantage over Java and .NET embedded database alternatives. Perst stores data directly in Java and .NET objects, eliminating the translation required for storage in relational and object-relational databases. This boosts run-time performance. Perst’s core consists of only five thousand lines of code. The small footprint imposes minimal demands on system resources.Starting Price: Free -
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Zulu Embedded
Azul Systems
Zulu Embedded™ is the only fully certified, completely customizable 100% open source Java platform for embedded systems plus IoT and IIoT edge devices, gateways and dedicated applications. Across a wide variety of devices and operating systems. Zulu Embedded™ meets all Java SE standards and requires no coding changes to your application. Leverage industry-standard Java tools for development and profiling. As a pure, 100% open source offering there are no license fees. Every Zulu Embedded support plan offers redistribution-ready downloadable runtimes, access to all security updates, technical troubleshooting, and a wide set of packaging alternatives. We will work with you to determine the bundle requirements, support, and pricing model needed to match your requirements. -
39
StackRox
StackRox
Only StackRox provides comprehensive visibility into your cloud-native infrastructure, including all images, container registries, Kubernetes deployment configurations, container runtime behavior, and more. StackRox’s deep integration with Kubernetes delivers visibility focused on deployments, giving security and DevOps teams a comprehensive understanding of their cloud-native infrastructure, including images, containers, pods, namespaces, clusters, and their configurations. You get at-a-glance views of risk across your environment, compliance status, and active suspicious traffic. Each summary view enables you to drill into more detail. Using StackRox, you can easily identify and analyze container images in your environment with native integrations and support for nearly every image registry. -
40
IBM CICS
IBM
IBM® CICS® Transaction Server for z/OS® has evolved into a powerful mixed language application server, enabling developers to write and modernize applications using the languages and tools best suited to business needs and their skills. Supported languages and frameworks include Java®-based OSGi, Springboot®, Jakarta® EE, Eclipse® MicroProfile, and Node.js®-based runtime for JavaScript and TypeScript, and COBOL, C/C++, and PL/I. CICS is able to scale applications to support high-transaction workloads in a secure, robust, cost-efficient environment. Develop new applications or extend existing, mission-critical services with new interfaces. Unleash your creativity with our support for a wealth of different programming languages. Develop in CICS Transaction Server just as you would develop any other application, with plug-ins for familiar tooling such as Maven®, Gradle®, Zowe®, and UrbanCode Deploy®. -
41
Bootify
Bootify.io
Rapid application development for Spring Boot developers. Select your preferences (Maven/Gradle, Java/Kotlin, etc.), create your custom database model and download your runnable Spring Boot application. REST API with basic CRUD operations included and Best Practices applied. Get advanced feature in the professional plan, like integration tests with testcontainers or pagination support.Starting Price: $0 -
42
Codegen7.dev
Codegen7.dev
We empower software developers by providing boilerplate solutions that include generating end-to-end fullstack codes from simple prompts and SQL. This reduces months of development into a single day. We are currently offering code generation for Angular web apps, Java and Spring Boot APIs. More technologies will be supported in future. Our mission is to support fellow developers creatively architect and build robust systems while not being limited by the complex setups and numerous components represented by thousands to millions of codes.Starting Price: $39/project -
43
Activiti
Activiti
Helping businesses solve automation challenges in distributed, highly-scalable and cost effective infrastructures. Activiti is the leading lightweight, java-centric open-source BPMN engine supporting real-world process automation needs. Activiti Cloud is now the new generation of business automation platform offering a set of cloud native building blocks designed to run on distributed infrastructures. Inmutable, scalable & pain free Process & Decision Runtimes designed to integrate with your cloud native infrastructure. Scalable, storage independent and extensible audit service. Scalable, storage independent and extensible query service. Simplified system to system interactions that can scale in distributed environments. Distributed & Scalable application aggregation layer. Cloud ready secure WebSocket and subscription handling as part of GraphQL integration. -
44
NullClaw
NullClaw
NullClaw is an ultra-lightweight autonomous AI assistant infrastructure built in Zig and distributed as a single static binary designed to run efficiently on virtually any hardware. It emphasizes extreme performance and minimal resource usage, shipping as a roughly 678 KB executable that typically consumes about 1 MB of RAM and boots in under two milliseconds. It eliminates traditional runtime overhead by avoiding virtual machines, interpreters, and complex dependency chains, allowing developers to deploy agents simply by running the compiled binary. Despite its small footprint, the framework provides a full autonomous agent stack with support for more than 22 model providers, 18 communication channels, hybrid vector and FTS5 memory, streaming, voice, and multi-layer sandboxing. Security is built in through workspace scoping, explicit command allowlists, encrypted secrets, and strict sandbox isolation using tools such as Landlock, Firejail, or Docker.Starting Price: Free -
45
Spring Cloud Data Flow
Spring
Microservice-based streaming and batch data processing for Cloud Foundry and Kubernetes. Spring Cloud Data Flow provides tools to create complex topologies for streaming and batch data pipelines. The data pipelines consist of Spring Boot apps, built using the Spring Cloud Stream or Spring Cloud Task microservice frameworks. Spring Cloud Data Flow supports a range of data processing use cases, from ETL to import/export, event streaming, and predictive analytics. The Spring Cloud Data Flow server uses Spring Cloud Deployer, to deploy data pipelines made of Spring Cloud Stream or Spring Cloud Task applications onto modern platforms such as Cloud Foundry and Kubernetes. A selection of pre-built stream and task/batch starter apps for various data integration and processing scenarios facilitate learning and experimentation. Custom stream and task applications, targeting different middleware or data services, can be built using the familiar Spring Boot style programming model. -
46
ONNX
ONNX
ONNX defines a common set of operators - the building blocks of machine learning and deep learning models - and a common file format to enable AI developers to use models with a variety of frameworks, tools, runtimes, and compilers. Develop in your preferred framework without worrying about downstream inferencing implications. ONNX enables you to use your preferred framework with your chosen inference engine. ONNX makes it easier to access hardware optimizations. Use ONNX-compatible runtimes and libraries designed to maximize performance across hardware. Our active community thrives under our open governance structure, which provides transparency and inclusion. We encourage you to engage and contribute. -
47
Daytona
Daytona
Daytona is a cloud-native development runtime that enables developers and AI agents to instantly create, run, and manage isolated sandboxes for any codebase. Each sandbox runs inside a secure microVM with full Linux compatibility, networking, and persistent storage. Daytona provides SDKs in Python and TypeScript, allowing applications to programmatically execute code, run processes, upload files, or spin up environments dynamically. Teams use Daytona to replace complex local setups with reproducible cloud sandboxes that can be started in seconds and accessed through preview URLs, SSH, or APIs. It’s built for automation, observability, and scalability, powering everything from personal development environments to enterprise-grade agent runtimes. -
48
Zombie.js
Zombie.js
Zombie.js is a lightweight, headless testing framework for Node.js that enables developers to simulate browser environments for testing client-side JavaScript code without the need for a graphical browser. It allows for the automation of web interactions such as form submissions, link clicks, and navigation, facilitating full-stack testing in a simulated environment. Developers can utilize Zombie.js to perform actions like visiting web pages, filling out forms, and asserting conditions within their test suites. The framework integrates seamlessly with testing libraries like Mocha, providing a streamlined approach to writing and executing tests.Starting Price: Free -
49
MarathonITE
Jalian Systems
MarathonITE makes it easy to create GUI tests. You can quickly automate your functional tests and regression tests. MarathonITE has an open and flexible architecture based on open source projects like Marathon, Ruby and Selenium. MarathonITE makes creating, maintaining and executing automated test scripts easy. MarathonITE provides excellent ROI for your test teams. Some of the powerful features of MarathonITE include: Intelligent recording and replay, flexible and configurable object map, selenium/WebDriver bindings for Java™ applications. MarathonITE is a professional tool for creating and executing automated tests through GUI for applications developed using Java/Swing™, Java/Fx™ and Web technologies. MarathonITE provides Selenium/WebDriver bindings for Java application runtime to provide flexible and powerful API to interact with the applications and create GUI tests. Test automation is a combination of two activities – testing and software development.Starting Price: $ 1480 per 1 unit -
50
Spring Tools 4
Spring
Spring Tools 4 is the next generation of Spring tooling for your favorite coding environment. Largely rebuilt from scratch, it provides world-class support for developing Spring-based enterprise applications, whether you prefer Eclipse, Visual Studio Code, or Theia IDE. Tailored for developing enterprise applications using Spring Framework and Spring Boot, the new generation of Spring Tools provides world-class development support for your Spring applications. Our tools have deep knowledge of Spring built in. The all-new Spring Tools can be used in various coding environments, ranging from Eclipse as a full-featured integrated development environment to Visual Studio Code and Theia as lightweight code editors. Continue to use your preferred environment and add great Spring tooling to it. The new generation of Spring Tools is largely built from scratch, incorporating modern technologies and developer tooling architectures.
