Alternatives to Grails
Compare Grails alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Grails in 2026. Compare features, ratings, user reviews, pricing, and more from Grails competitors and alternatives in order to make an informed decision for your business.
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1
JOpt.TourOptimizer
DNA Evolutions GmbH
JOpt.TourOptimizer is an adaptable component to solve VRP, CVRP, and VRPTW class problems for any route optimization in logistics or similar fields. JOpt.TourOptimizer gives full access to modern optimization strategies and already includes many useful functions and algorithms to model various tour optimization problems. The JOpt.TourOptimizer library is easily integrated into any product. It can be customized to meet special requirements or adapt to the industries’ specific needs in which your software products are used. JOpt.TourOptimizer – enables you to enhance your product or project by seamlessly integrating DNA’s tour and resource optimization engine. It comes as a Java library or in Docker Container utilizing the Spring Framework and Swagger. -
2
LicenseSpring
Cense Data Inc.
LicenseSpring is a modern Licensing-as-a-Service (LaaS) platform, offering software vendors everything they need to manage entitlements within applications that they distribute to their end users. We support all common licensing models, such as node-locking, trial, concurrent, metered-usage, and subscription, and key-based as well as user based authorization. We also provide support for offline license activation and offline license checks. We offer SDKs for C++, Java, .NET/C#, and Swift/Obj-C to make it easy to implement LicenseSpring in your project. Contact us for a demo account today!Starting Price: $99/Month -
3
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 -
4
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 -
5
Spring Boot
VMware Tanzu
Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can "just run". We take an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss. Most Spring Boot applications need minimal Spring configuration. Provide production-ready features such as metrics, health checks, and externalized configuration. Provide opinionated 'starter' dependencies to simplify your build configuration. Automatically configure Spring and 3rd party libraries whenever possible. -
6
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 -
7
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. -
8
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 -
9
Red Hat Runtimes
Red Hat
Red Hat Runtimes is a set of products, tools, and components for developing and maintaining cloud-native applications. It offers lightweight runtimes and frameworks (like Quarkus) for highly-distributed cloud architectures, such as microservices. A collection of runtimes, frameworks, and languages so developers and architects can choose the right tool for the right task. Support is included for Quarkus, Spring Boot, Vert.x, and Node.js. An in-memory distributed data management system designed for scalability and fast access to large volumes of data. An identity management system that enables developers to provide web single sign-on capabilities based on industry standards for enterprise security. A message broker that offers specialized queueing behaviors, message persistence, and manageability. An open source implementation of the Java™ platform, standard edition (Java SE) supported and maintained by the OpenJDK community. -
10
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. -
11
Spock Framework
Spock
Spock is a testing and specification framework for Java and Groovy applications. What makes it stand out from the crowd is its beautiful and highly expressive specification language. Thanks to its JUnit runner, Spock is compatible with most IDEs, build tools, and continuous integration servers. Spock is inspired from JUnit, RSpec, jMock, Mockito, Groovy, Scala, Vulcans, and other fascinating life forms. Spock Web Console is a website that allows you to instantly view, edit, run, and even publish Spock specifications. It is the perfect place to toy around with Spock without making any commitments.Starting Price: Free -
12
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. -
13
REST Assured
REST Assured
Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.Starting Price: Free -
14
DataGrail
DataGrail
DataGrail is a complete, AI-powered privacy automation platform for privacy, legal, and security teams at the world’s leading brands. Brands like Bed Bath & Beyond, Sportsman’s Warehouse, Carvana and more choose DataGrail for: → Enterprise-grade consent management → AI-powered data mapping and risk intelligence → Deep integration and end-to-end privacy automation → Industry-best support and privacy expertise Founded in 2018 and now headquartered in San Francisco, CA, DataGrail helps brands eliminate privacy risk, build customer trust, and ensure compliance with ever-evolving regulatory demands. -
15
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 -
16
ShopFly
Enation Software
ShopFly is an open source B2C ecommerce software. For the software, it has 6 features. The first one, it is total open source. High extension, that means easy expanding other functions which is ready for second development. Third, we provide complete documentation for each project. The system has high load capacity and multi safety. For the technology, ShopFly is based on Java which is spring boot + vue, also called headless, the global advanced technology. The software has the following functions: management for product, customer and order, promotion module, data analysis, drag and drop store builder. Furthermore, we could provide customization for customer's specific requirement.Starting Price: $0 -
17
Refraction
Refraction
Refraction is a code-generation tool for developers. It uses AI to generate code for you. You can use it to generate unit tests, documentation, refactor code, and more. Generate code using AI in 34 languages — Assembly, C#, C++, CoffeeScript, CSS, Dart, Elixir, Erlang, Go, GraphQL, Groovy, Haskell, HTML, Java, JavaScript, Kotlin, LaTeX, Less, Lua, MatLab, Objective-C, OCaml, Perl, PHP, Python, R Lang, Ruby, Rust, Sass / SCSS, Scala, Shell, SQL, Swift, and TypeScript. Join thousands of developers around the world using Refraction to generate documentation, create unit tests, refactor code, and more using AI. Use the power of AI to automate the tedious parts of software development like testing, documentation, and refactoring, so you can focus on what matters. Refactor, optimize, fix and style-check your code. Generate unit tests for your code with various test frameworks. Explain the purpose of your code to make it easier to understand.Starting Price: $8 per month -
18
Javalin
Javalin
You never extend classes and you rarely implement interfaces. Javalin is just a few thousand lines of code on top of Jetty, and its performance is equivalent to raw Jetty code. Due to its size, it's very easy to reason about the source code. Other Java and Kotlin web frameworks usually offer one version for each language. Javalin is being made with inter-operability in mind, apps are built the same way in both Java and Kotlin. Javalin runs on top of Jetty, one of the most used and stable web servers on the JVM. You can configure the Jetty server fully, including SSL and HTTP3 and everything else that Jetty offers. Many lightweight Java and Kotlin web frameworks don't support OpenAPI, but Javalin does. -
19
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 -
20
OpenClover
OpenClover
Balance your effort spent on writing applications and test code. Use the most sophisticated code coverage tool for Java and Groovy. OpenClover measures code coverage for Java and Groovy and collects over 20 code metrics. It not only shows you untested areas of your application but also combines coverage and metrics to find the riskiest code. The Test Optimization feature tracks which test cases are related to each class of your application code. Thanks to this OpenClover can run tests relevant to changes made in your application code, significantly reducing test execution time. Do testing getters and setters bring much value? Or machine-generated code? OpenClover outruns other tools in its flexibility to define the scope of coverage measurement. You can exclude packages, files, classes, methods, and even single statements. You can focus on testing important parts of your code. OpenClover not only records test results but also measures individual code coverage for every test.Starting Price: Free -
21
Vue.js
Vue.js
Builds on top of standard HTML, CSS and JavaScript with intuitive API and world-class documentation. Truly reactive, compiler-optimized rendering system that rarely requires manual optimization. A rich, incrementally adoptable ecosystem that scales between a library and a full-featured framework. Vue is a JavaScript framework for building user interfaces. It builds on top of standard HTML, CSS and JavaScript, and provides a declarative and component-based programming model that helps you efficiently develop user interfaces, be it simple or complex. Vue extends standard HTML with a template syntax that allows us to declaratively describe HTML output based on JavaScript state. Vue automatically tracks JavaScript state changes and efficiently updates the DOM when changes happen. Vue is a framework and ecosystem that covers most of the common features needed in frontend development. -
22
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. -
23
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. -
24
GraalVM
GraalVM
Discover libraries and frameworks that work out-of-the-box with Native Image. Apply Graal, an advanced optimizing compiler, that generates faster and leaner code requiring fewer compute resources. Compile Java applications ahead of time to native binaries that start up instantly and deliver peak performance with no warmup time. Leverage the best features and libraries of popular languages in a single app with no overhead. Debug, monitor, profile, and optimize resource consumption in Java and across multiple languages. GraalVM’s high-performance JIT compiler generates optimized native machine code that runs faster, produces less garbage, and uses less CPU thanks to a battery of advanced compiler optimizations and aggressive and sophisticated inlining techniques. The end results are applications that run faster and consume fewer resources, reducing cloud and infrastructure costs.Starting Price: Free -
25
Jersey
Eclipse Foundation
Developing RESTful web services that seamlessly support exposing your data in a variety of representation media types and abstracting away the low-level details of client-server communication is not an easy task without a good toolkit. In order to simplify the development of RESTful web services and their clients in Java, a standard and portable JAX-RS API has been designed. Jersey RESTful web services 3. x framework is an open-source, production-quality, framework that provides support for Jakarta RESTful web services 3.0. Jersey framework is more than the JAX-RS reference implementation. Jersey provides its own API that extends the JAX-RS toolkit with additional features. Track the JAX-RS API and provide regular releases of production quality reference implementations that ship with GlassFish. Provides APIs to extend Jersey & build a community of users and developers. Makes it easy to build RESTful Web services utilizing Java and the Java Virtual Machine.Starting Price: Free -
26
Mockito
Mockito
Mockito is a mocking framework that tastes really good. It lets you write beautiful tests with a clean & simple API. Mockito doesn’t give you hangover because the tests are very readable and they produce clean verification errors. Read more about features & motivations. Top 10 Java library across all libraries, not only the testing tools. In late 2013 there was an analysis made of 30.000 GitHub projects. Although Mockito reached number 9 in the main report, mockito-core and mockito-all are the same tool and therefore the factual position of Mockito is number 4, surpassing famous tools like Guava or Spring. Treat this study as an indicator of a big impact that Mockito makes every day on unit tests written in Java.Starting Price: Free -
27
DataMelt
jWork.ORG
DataMelt (or "DMelt") is an environment for numeric computation, data analysis, data mining, computational statistics, and data visualization. DataMelt can be used to plot functions and data in 2D and 3D, perform statistical tests, data mining, numeric computations, function minimization, linear algebra, solving systems of linear and differential equations. Linear, non-linear and symbolic regression are also available. Neural networks and various data-manipulation methods are integrated using Java API. Elements of symbolic computations using Octave/Matlab scripting are supported. DataMelt is a computational environment for Java platform. It can be used with different programming languages on different operating systems. Unlike other statistical programs, it is not limited to a single programming language. This software combines the world's most-popular enterprise language, Java, with the most popular scripting language used in data science, such as Jython (Python), Groovy, JRuby.Starting Price: $0 -
28
PHPixie
PHPixie
PHPixie is easy to learn and does not rely on automatic; you will always be in charge of what's happening. Designed for speed since first release and proven by independent benchmarks. Built using components that can be used without the framework. Linear execution flow, no static code, and low coupling. Reuse and share your code via Composer as self-contained bundles. Never find yourself in an event hell ever again as event use is avoided. Database components support working with MongoDB out of the box. Designed from scratch according to SOLID principles and industry standards. PHPixie started as a micro framework and has gradually grown to be one of the most popular full-stack PHP frameworks while retaining its high performance. This is in part because of the strict architecture that avoids common pitfalls such as reliance on static methods, global scope, singletons, and other antipatterns, thus also ensuring that the code is easy to read, debug, extend, and test.Starting Price: Free -
29
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. -
30
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. -
31
LoopBack
LoopBack
A highly extensible Node.js and TypeScript framework for building APIs and microservices. A brand new LoopBack core to deliver great extensibility and flexibility written in TypeScript/ES2017. Create powerful APIs easily with a new creative experience for defining REST APIs and handling API requests/responses. A new, improved programming model with dependency injection and new concepts such as components, mixins, repositories, etc. make this the most extensible version yet. The LoopBack 4 CLI is a command-line interface that can scaffold a project or extension. The CLI provides the fastest way to get started with a LoopBack 4 project that adheres to best practices. LoopBack is a highly-extensible, open-source Node.js framework that enables you to create dynamic end-to-end REST APIs with little or no coding. Access data from major relational databases, MongoDB, SOAP, and REST APIs. Incorporate model relationships and access controls for complex APIs. -
32
MyEclipse
Genuitec
MyEclipse is the best Java IDE for enterprise development, providing easy access to popular technologies in a single solution. From Java EE to Maven, from Spring to WebSphere, MyEclipse increases productivity and helps you write your best code. With better tools, it is simple to create a dynamic frontend along with a powerful backend, a winning combination for success. Java developers have so much more to consider than just writing great code. From keeping up with the latest Java versions and web frameworks, to implementing version control and deploying to a variety of application servers, there is a lot to manage. MyEclipse unifies your development tools in a single download, so you can stay focused on coding. MyEclipse is the same feature-rich Eclipse IDE that over 17,000 companies have relied on to build powerful applications for over 2 decades. Originally created by developers that noticed a real need for better software development tools. -
33
Vite
VoidZero
Get ready for a development environment that can finally catch up with you. Vite is a build tool that aims to provide a faster and leaner development experience for modern web projects. It consists of two major parts: A dev server that provides rich feature enhancements over native ES modules, for example extremely fast Hot Module Replacement (HMR). A build command that bundles your code with Rollup, pre-configured to output highly optimized static assets for production. Vite is opinionated and comes with sensible defaults out of the box, but is also highly extensible via its Plugin API and JavaScript API with full typing support.Starting Price: Free -
34
Spring.new
Spring.new
Spring is a powerful AI-driven platform that allows users to create custom business applications in just minutes. By utilizing natural language processing, Spring transforms your ideas into tailored apps without the need for traditional coding. The platform integrates seamlessly with over 200 tools, including Google Workspace, Slack, GitHub, Salesforce, and many others, ensuring that users can easily build applications on top of their existing workflows. Whether you need a CRM, project management tool, or specialized SaaS product, Spring’s simple interface and robust integrations allow for quick deployment, enhancing both productivity and efficiency. -
35
Bitdive
Bitdive
BitDive is a zero-code quality and test automation platform for Java, Kotlin, Spring Boot and other JVM-based applications that captures real executions and converts them into reusable, deterministic test scenarios you can replay in CI, staging or on a developer machine without writing or maintaining test code. BitDive runs as a lightweight library dependency and records full context from real traffic including HTTP/gRPC requests and responses, method calls, SQL queries with parameters and results, service interactions and timings, enabling deep method-level observability, distributed tracing, performance profiling and semantic drift detection. Its capture-replay-verify loop lets teams automatically generate regression suites and JUnit tests from actual executions, reproduce and debug production bugs locally with full execution chains, eliminate fragile mocks and flaky tests, and validate behavior changes before deployment. BitDive also visualizes service maps and heatmaps.Starting Price: Free -
36
JBoss EAP
Red Hat
Red Hat® JBoss® Enterprise Application Platform (JBoss EAP) delivers enterprise-grade security, performance, and scalability in any environment. Whether on-premise; virtual; or in private, public, or hybrid clouds, JBoss EAP can help you deliver apps faster, everywhere. JBoss EAP 7 is built to provide simplified deployment and full Jakarta EE performance for applications in any environment. Whether on-premise or in virtual, private, public, and hybrid clouds, JBoss EAP features a modular architecture that starts services only as they are required. JBoss EAP 7 is built for performance and flexibility in modern application environments. Its modular architecture and services-driven set of components reduce scale-out times and provide flexibility for applications deployed in different environments. JBoss EAP allows developers to be meet line-of-business demands. Support for Jakarta EE and its web-based frameworks, such as Spring, Spring Web Flow, Spring WS, Spring Security, etc.Starting Price: $8000 -
37
Oorian
Corvus Engineering
Oorian is a server-side Java web framework for building interactive web applications without writing JavaScript. HTML elements are Java objects with type-safe styling, events are handled with standard Java listeners, and real-time updates flow automatically via AJAX, SSE, or WebSocket—your choice per page. Rather than reinventing UI components, Oorian wraps best-of-breed JavaScript libraries (AG Grid, Syncfusion, Chart.js, and 150+ more), so you get enterprise-grade components maintained by specialists. Battle-tested in production for over 10 years, Oorian is free for non-commercial use with commercial licensing available. -
38
Svelte
Svelte
Svelte is a radical new approach to building user interfaces. Whereas traditional frameworks like React and Vue do the bulk of their work in the browser, Svelte shifts that work into a compile step that happens when you build your app. Instead of using techniques like virtual DOM diffing, Svelte writes code that surgically updates the DOM when the state of your app changes. We're proud that Svelte was recently voted the most loved web framework with the most satisfied developers in a pair of industry surveys. We think you'll love it too. Read the introductory blog post to learn more. Svelte is a tool for building fast web applications. It is similar to JavaScript frameworks such as React and Vue, which share a goal of making it easy to build slick interactive user interfaces. But there's a crucial difference: Svelte converts your app into ideal JavaScript at build time, rather than interpreting your application code at run time.Starting Price: Free -
39
Apache Geronimo
Apache
Apache Geronimo is an open-source set of projects that are focused on providing JavaEE/JakartaEE libraries and Microprofile implementations. We are actively delivering reusable Java EE components though. They are widely used and still actively maintained! Apache Geronimo provides libraries for the implementations of the Java EE and Jakarta EE specifications. The implementations are also focused on providing OSGi bundle metadata. The goal of XBean project is to create a plugin-based server analogous to Eclipse is a plugin-based IDE. XBean will be able to discover, download and install server plugins from an Internet-based repository. In addition, we include support for multiple IoC systems, support for running with no IoC system, JMX without JMX code, lifecycle and class loader management, and rock-solid Spring integration. Apache Geronimo hosts several Microprofile implementations. Apache Geronimo Arthur is an effort to build a thin layer on top of Oracle GraalVM.Starting Price: Free -
40
Webix
Webix
JavaScript UI library and framework for speeding up web development. JS Framework for cross-platform web Apps development 102 UI widgets and feature-rich CSS / HTML5 JavaScript controls. Save at least 3000+ development hours by using ready-made widgets and UI controls. Develop Web UI 30% faster. We have accumulated the best design ideas. We have meticulously considered UX of each Webix component for five conceptual designs. Our support service specialists know everything about our library and can help you solve any problem. We also have an official support forum where you can discuss issues with our developers. By using Webix JS framework you receive an elegant and lightweight code based on object-oriented programming concepts. Associate your project with jQuery JavaScript library, MVC frameworks AngularJS, React, Vue.js, Backbone.js, third party UI extensions.Starting Price: $848 -
41
Framework7
Framework7
Framework7 is a free and open-source framework to develop mobile, desktop, or web apps with a native look and feel. It is also an indispensable prototyping tool to show a working app prototype as soon as possible in case you need to. With such a stunning set of UI components that Framework7 provides right from the box, it allows to create web apps, progressive web apps (PWA), and iOS and Android apps with a native look and feel. Framework7 paired with extra tools like Electron and NW.js allows to build native desktop apps. You can use any tools you love when working with Framework7. It doesn’t force you to use anything except plain HTML, CSS, and JavaScript. Creating apps with Framework7 is easy as creating a website. And in addition to vanilla JavaScript library, Framework7 comes with Vue.js, React, and Svelte components to bring components-syntax, structured data, and data bindings with the power and simplicity of Vue.js, React, or Svelte.Starting Price: Free -
42
Enveil
Enveil
Data is the backbone of the digital economy, we change the paradigm of how and where organizations can leverage data to unlock value. Enterprises use Enveil’s award-winning ZeroReveal® solutions to securely and privately use data in-place across organizational boundaries, jurisdictions, and third parties while ensuring that the content of the interaction and the results are never exposed. Our PETs and homomorphic encryption-powered capabilities deliver an efficient and decentralized data collaboration framework designed to reduce risk and address business challenges including data sharing, monetization, and regulatory compliance. Protecting data while it's being used or processed, the ‘holy grail’ of secure data usage, we deliver the most mature encrypted search, analytic, and machine learning products on the market. Enveil is a pioneering privacy enhancing technology company protecting data in use for secure data usage, sharing, and monetization. -
43
ODOP:Spring
SpringDesignSoftware
More than a Spring Calculator. ODOP:Spring is a spring design application of the problem-independent Open Design Optimization Platform (ODOP) software. It finds solutions for demanding spring application requirements in mechanical engineering and machine design. Most coil spring calculators require users to manually input values – such as wire diameter, coil diameter, free length and number of coils – and then repeatedly re-analyze until an acceptable solution is reached. ODOP’s ability to invert formula relationships removes that guesswork. Spring design equations are backsolved to meet constraints placed on the problem variables. Need to identify the lightest-possible material weight? Ensure a long spring life and low risk of failure? Our helical coil spring design software can find the constrained extreme of any variable, whether independent or dependent. -
44
Nitric
Nitric
Nitric is an open source, cloud-agnostic backend framework that enables developers to declare infrastructure as code and automate deployments using pluggable plugins. It supports multiple languages, including JavaScript, TypeScript, Python, Go, and Dart. Key features include defining APIs (REST, HTTP), serverless functions, routing, authentication/authorization (OIDC-compatible), storage (object/file storage, signed URLs, bucket events), databases (e.g., managed Postgres with migrations), messaging (queues, topics, pub/sub), websockets, scheduled tasks, and secrets management. Nitric integrates with tools like Terraform or Pulumi, or lets you write your own plugins, and works with major cloud providers (AWS, Azure, Google Cloud). It also supports local development with simulated cloud environments so you can prototype, test, and iterate without incurring cloud cost. The framework emphasizes declarative security, resource access management, and portability.Starting Price: Free -
45
Kendo UI
Progress Software
Kendo UI is the ultimate collection of JavaScript UI components with libraries for jQuery, Angular, React, and Vue. Quickly build eye-catching, high-performance, responsive web applications—regardless of your JavaScript framework choice. Easily add advanced JavaScript components into your existing or new designs. Kendo UI’s hundreds of components handle everything you need to satisfy your users’ requirements. Add advanced components such as data grids, charts, schedulers, and calendars with just a few lines of code. Each is crafted for performance and customizability. Switching frameworks and starting new projects won’t require a new license or a big learning curve. Everything is included and up-to-date, APIs are consistent and theming is easy. Our QA process coupled with world-class support teams and a large user community means that our components will always work the way they’re supposed to—guaranteed.Starting Price: $899 -
46
SvelteKit
SvelteKit
SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. It addresses common development challenges by providing solutions for routing, server-side rendering, data fetching, service workers, TypeScript integration, and more. SvelteKit apps are server-rendered by default, offering excellent first-load performance and SEO benefits, but can transition to client-side navigation to enhance user experience. The framework is designed to grow with developers, allowing them to start simple and add new features as needed. SvelteKit leverages Vite for a fast and feature-rich development experience, including hot module replacement. In short, Svelte is a way of writing user interface components, like a navigation bar, comment section, or contact form, that users see and interact with in their browsers. The Svelte compiler converts your components to JavaScript that can be run to render the HTML for the page and to CSS that styles the page.Starting Price: Free -
47
QF-Test
Quality First Software
QF-Test is an established tool for professional UI test automation of Desktop, Web & Mobile Applications as well as PDF documents. QF-Test is a low-code GUI test tool that allows to efficiently create test cases, e.g. using Capture/Replay, without any programming knowledge across platforms on Windows, Linux and macOS. For software developers, Jython, Groovy or JavaScript offer advanced scripting possibilities. Tests can be run automatically via continuous integration tools such as Jenkins and generate detailed reports. Robust & stable regression tests for various UI technologies can be created. QF-Test supports all types of Java GUIs, ranging from Swing (including ULC, JIDE components, CaptainCasa), its successor JavaFX, as well as the Standard Widget Toolkit (SWT) and Eclipse, including plugins and RCP applications. Use QF-Test to test dynamic web applications based e.g. on Angular, React, including Electron & hybrid applications using e.g. JxBrowser. Supports accessibility testingStarting Price: $2435.00/one-time -
48
Azure Spring Apps
Microsoft
Azure Spring Apps is a fully managed service that helps Spring developers focus on code, not on infrastructure. Deploy any type of Spring app—including web apps, microservices, event-driven, serverless, and batch—without the need for Kubernetes. Take advantage of the Azure ecosystem while using your existing investments. Gain deep insights into application dependencies and operational telemetry using Azure monitor. Aggregate metrics for a topological view of how different services interact and see average performance and error rates. Easily identify the root cause of reliability issues and performance bottlenecks. Focus on what matters—your apps, business logic, and delivering value to your users. Deploy any type of Spring or Polyglot apps, either from source code or artifacts, with support for container creation and maintenance.Starting Price: $0.7136 per hour -
49
Vanilla JS
Vanilla JS
Vanilla JS is a fast, lightweight, cross-platform framework for building incredible, powerful JavaScript applications. The Vanilla JS team takes pride in the fact that it is the most lightweight framework available anywhere; using our production-quality deployment strategy, your users' browsers will have Vanilla JS loaded into memory before it even requests your site. Vanilla JS is so popular that browsers have been automatically loading it for over a decade.Starting Price: Free -
50
Svelte Native
Svelte Native
Svelte Native is a mobile application framework powered by Svelte, build mobile apps using the friendly web framework you already know. Build cross-platform, native iOS and Android apps without web views. Get truly native UI and performance while sharing skills and code with the web. Use the full power of Svelte including transitions, stores, and reactivity. One of the smoothest development experiences available for mobile. Svelte Native is a new approach to building mobile applications using NativeScript. Where other JavaScript mobile development frameworks like React Native and NativeScript-Vue do the bulk of their work on the mobile device, Svelte Native shifts that work into a compile step that happens when you build your app. Instead of using techniques like virtual DOM diffing, Svelte writes code that surgically updates the native view widgets when the state of your app changes.Starting Price: Free
