Browse free open source Libraries and projects for Linux and BSD below. Use the toggles on the left to filter open source Libraries by OS, license, language, programming language, and project status.

  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • 8 Monitoring Tools in One APM. Install in 5 Minutes. Icon
    8 Monitoring Tools in One APM. Install in 5 Minutes.

    Errors, performance, logs, uptime, hosts, anomalies, dashboards, and check-ins. One interface.

    AppSignal works out of the box for Ruby, Elixir, Node.js, Python, and more. 30-day free trial, no credit card required.
    Start Free
  • 1
    4tH compiler

    4tH compiler

    A Forth compiler with a little difference

    4tH is a Forth compiler with a little difference. Instead of the standard Forth engine it features a conventional compiler. 4tH is a very small compiler that can create bytecode, C-embeddable bytecode, standalone executables, but also works fine as a scripting language. It supports about 95% of the ANS Forth CORE wordset and features conditional compilation, pipes, files, assertions, forward declarations, enumerations, structures, suspended execution, recursion, include files, etc. It comes with an RPN calculator, BASIC interpreter, line editor, preprocessor, compiler, decompiler, C-source generator, a virtual machine, and a multitasking environment.
    Leader badge
    Downloads: 46 This Week
    Last Update:
    See Project
  • 2

    ULS

    A lexical analyzer generator that makes the class source code.

    ULS is a class library for creating lexical analyzer from language specification file. It's provided as C/C++/C# and Java (class) libraries with a few of tools on Linux/Windows platform.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 3
    HTML++

    HTML++

    Object-oriented generation of HTML code on .NET 4 Client Profile

    This library allows you to generate HTML pages directly from your code in a strongly typed, compositional, safe and concise manner. Requires the .NET Framework 4 Client Profile only. It is licensed under LGPL, which means that you may use it in commercial products. The project logo is from Mariano Real, who kindly provided it under a Creative-Commons license.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 4
    A C++ library for creating textual Domain Specific Languages (DSLs).
    Downloads: 2 This Week
    Last Update:
    See Project
  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
    Try Free
  • 5
    ipc-quartztime

    ipc-quartztime

    inter process communication library based on POSIX

    ipc-quartztime is an inter process communication library based on shared memory, mutexes and signals. ipc-quartztime is intended for high-speed and high-throughput communication between processes.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    An short but powerfull framework for PHP 5+. based in the Model View Controller (MVC), it can use Mysql, Microsoft Sql Server and partially Oracle
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Assorted projects. General-purpose libraries for Python, C++, Scala, bash, and others. Meta-programming tools. System utilities. UI components. Web APIs. Configuration files. Benchmarks. Programming competition entries. And much more.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    CLIck

    CLIck

    a CLI generator and and SW library

    CLIck allows you to create flat or hierarchical CLI (command line interfaces) in an extremely easy and quick way, supporting very popular features like history with command recalling, context-based auto-completion, tab-based command list, automatic command-line help, special characters, automatic structure builder, and much more. CLIck is written in ANSI C and tested on C and C++ applications on several architectures. It doesn't depend on any external library and uses only a very small subset of POSIX APIs. Despite the project name, you won't need your mouse at all!
    Downloads: 0 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 10
    Provides a Java programmable only text file editor. No gui is available. It supplies most of the features you expect from an editor including selections.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11

    GxApp

    Open Utilities and/or Examples for GeneXus

    Open utilities and/or examples for GeneXus, this includes: Example procedures Usercontrols Utilities Others...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12

    Ionflux Tools

    Metaprogramming framework for C++ development with Python bindings

    NOTICE: This repository of IFTools will no longer be maintained. You can find the current version at https://github.com/TehFlux/iftools iftools is an umbrella project for various libraries and utilities that facilitate application development in C++ with full Python bindings. It provides a rich set of features while still maintaining compatibility with other frameworks through a very low overhead and a lack of "tricks". iftools uses its own, easily extensible template system to provide a rich set of metaprogramming techniques for implementing features above the class level.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Java HTML/XML Compressor is a very small, fast and easy to use library that compresses given HTML or XML source by removing extra whitespaces, comments and other unneeded characters without breaking the content structure.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Toolchain machinery for compilers, code generators, assemblers, linkers, and emulators.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Functional Programming for Python. Provides a small mixin to provide 1) type constraints for named tuples 2) pre/postcondition typechecking for functions 3) syntactical sugar to make your code look pretty (accomplished through a PEP 302 import hook)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Property/configuration mechanism for high-performance C++ applications. Similar to but more flexible than Java properties. Property settings provide type safety, expressive error messages and full-featured expressions. Based on the Lua language.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    The Voodoo compiler is an implementation of the Voodoo programming language. It provides both a stand-alone compiler executable and a Ruby API for generating code for target platforms.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    The Chilon Library is a C++0x utility library. The most advanced parts are a command-line argument parser and a parser generator library based on parsing expression grammars with built in AST generation abilities.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20

    mdx builder 4 java

    MDX query builder library

    Lightweight Java library for building MDX queries.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    ooc is an object-oriented programming language which is implemented with a source-to-source translator to pure C99. It supports classes, abstract functions, foreach, ranges, etc. It intends to be modern, modular, extensible, yet simple and fast.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    php xHTML

    php xHTML

    PHP Class to control xHTML STRICT

    This Class for PHP controls xHTML strict documents, creation, and validation The idea is to made things easy and small, avoid errors or mistypes, helps with IDs / forms/ and tags. The point is to focus on PHP and forget if we close a tag, forgot to set a special required attribute or if we wrote the header correctly, the class take care of that Also made the creation of custom, normal used, and repetitive tasks easy
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next
MongoDB Logo MongoDB