Showing 651 open source projects for "non-free"

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  • 1
    Git

    Git

    Fast, scalable, distributed revision control system

    Git is a free, distributed version control system created by Linus Torvalds in 2005 to manage the development of the Linux kernel. It emphasizes speed, data integrity, and support for non-linear workflows, and remains the most popular VCS for collaborative software development. Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2).
    Downloads: 28 This Week
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  • 2
    Dear ImGui

    Dear ImGui

    Bloat-free Graphical User interface for C++ with minimal dependencies

    ...Dear ImGui is particularly suited to integration in games engines (for tooling), real-time 3D applications, fullscreen applications, embedded applications, or any applications on consoles platforms where operating system features are non-standard. The core of Dear ImGui is self-contained within a few platform-agnostic files which you can easily compile in your application/engine.
    Downloads: 60 This Week
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  • 3
    FreeRDP

    FreeRDP

    FreeRDP is a free remote desktop protocol library and clients

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Enjoy the freedom of using your software wherever you want, the way you want it, in a world where interoperability can finally liberate your computing experience. The nightly builds are installed into /opt/freerdp-nightly and can be installed in parallel with the distributions regular freerdp package.
    Downloads: 71 This Week
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  • 4
    ImageMagick

    ImageMagick

    ImageMagick 7

    ImageMagick® is a free, open-source software suite, used for editing and manipulating digital images. It can be used to create, edit, compose, or convert bitmap images, and supports a wide range of file formats, including JPEG, PNG, GIF, TIFF, and PDF. ImageMagick is widely used in industries such as web development, graphic design, and video editing, as well as in scientific research, medical imaging, and astronomy.
    Downloads: 19 This Week
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  • 5
    OpenCorePkg

    OpenCorePkg

    OpenCore bootloader

    OpenCorePkg is an open-source, modular UEFI (Unified Extensible Firmware Interface) bootloader and development framework, primarily designed to enable macOS booting on non-Apple hardware (Hackintosh). It includes Apple-specific UEFI drivers, utilities for macOS installation support, and shared libraries used across Acidanthera projects. Apple disk image loading support. Apple keyboard input aggregation. Apple PE image signature verification. Apple UEFI secure boot supplemental code. Audio management with screen reading support. ...
    Downloads: 205 This Week
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  • 6
    shadowsocks-libev

    shadowsocks-libev

    Bug-fix-only libev port of shadowsocks

    Shadowsocks-libev is a lightweight secured SOCKS5 proxy for embedded devices and low-end boxes. Shadowsocks-libev is written in pure C and depends on libev. It's designed to be a lightweight implementation of shadowsocks protocol, in order to keep the resource usage as low as possible. Snap is the recommended way to install the latest binaries. You can build shadowsocks-libev and all its dependencies by script. The latest shadowsocks-libev has provided a redir mode. You can configure your...
    Downloads: 11 This Week
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  • 7
    SGDK 1.90

    SGDK 1.90

    A free and open development kit for the Sega Mega Drive

    SGDK is a free development kit allowing the development of software in C language for the Sega Mega Drive. It contains the development library itself (with the code sources) and some custom tools used to compile resources. SGDK uses the GCC compiler (m68k-elf target) and the libgcc to generate a ROM image. Binaries (GCC 6.3) are provided for Windows OS for convenience, but you need to install it by yourself for other operating systems.
    Downloads: 7 This Week
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  • 8
    PJSIP

    PJSIP

    PJSIP project

    PJSIP is a free and open-source multimedia communication library written in C language implementing standard-based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. It combines signaling protocol (SIP) with a rich multimedia framework and NAT traversal functionality into high-level API that is portable and suitable for almost any type of system ranging from desktops, and embedded systems, to mobile handsets.
    Downloads: 16 This Week
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  • 9
    VSCodium

    VSCodium

    binary releases of VS Code without MS branding/telemetry/licensing

    Microsoft’s vscode source code is open source (MIT-licensed), but the product available for download (Visual Studio Code) is licensed under this not-FLOSS license and contains telemetry/tracking. The VSCodium project exists so that you don’t have to download+build from source. This project includes special build scripts that clone Microsoft’s vscode repo, run the build commands, and upload the resulting binaries for you to GitHub releases. These binaries are licensed under the MIT license....
    Downloads: 80 This Week
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  • 10
    Radare2

    Radare2

    UNIX-like reverse engineering framework and command-line toolset

    A free/libre toolchain for easing several low-level tasks like forensics, software reverse engineering, exploiting, and debugging. It is composed by a bunch of libraries (which are extended with plugins) and programs that can be automated with almost any programming language. It is recommended to install it from git, alternatively, you can pick the last release (every 6 weeks) from Github.
    Downloads: 42 This Week
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  • 11
    bearer

    bearer

    Code security scanning tool (SAST) to discover security risks

    ...Usage of weak encryption libraries or misusage of encryption algorithms. Unencrypted incoming and outgoing communication (HTTP, FTP, SMTP) of sensitive information. Non-filtered user input. Hard-coded secrets and tokens. Bearer currently supports JavaScript and Ruby stacks, more will follow. Bearer's scanners and reports are your path to analyzing security risks and vulnerabilities in your application.
    Downloads: 2 This Week
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  • 12
    LVGL

    LVGL

    Powerful and easy-to-use embedded GUI library with many widgets

    Powerful and easy-to-use embedded GUI library with many widgets, advanced visual effects (opacity, antialiasing, animations), and low memory requirements (16K RAM, 64K Flash). LVGL provides everything you need to create an embedded GUI with easy-to-use graphical elements, beautiful visual effects, and a low memory footprint. LVGL is an open-source graphics library providing everything you need to create an embedded GUI with easy-to-use graphical elements, beautiful visual effects, and a low...
    Downloads: 31 This Week
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  • 13
    Unicorn Engine

    Unicorn Engine

    Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc

    ...Native support for Windows & *nix (with macOS, Linux, Android, *BSD & Solaris confirmed). High performance by using the Just-In-Time compiler technique. Support fine-grained instrumentation at various levels. Thread-safe by design. Distributed under free software license GPLv2. Another significant change on this version is the addition of some new APIs to allow better control on how the core engine works.
    Downloads: 3 This Week
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  • 14
    Gherkin

    Gherkin

    A parser and compiler for the Gherkin language

    Gherkin is a domain-specific language used in behavior-driven development (BDD) to describe software behaviors in a human-readable format. It allows stakeholders to write test cases in plain language, bridging the gap between technical and non-technical team members.
    Downloads: 3 This Week
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  • 15
    xxHash

    xxHash

    Extremely fast non-cryptographic hash algorithm

    xxHash is an extremely fast non-cryptographic hash algorithm, working at RAM speed limit. It is proposed in four flavors (XXH32, XXH64, XXH3_64bits and XXH3_128bits). The latest variant, XXH3, offers improved performance across the board, especially on small data. It successfully completes the SMHasher test suite which evaluates collision, dispersion and randomness qualities of hash functions.
    Downloads: 1 This Week
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  • 16
    tio

    tio

    A serial device I/O tool

    tio is a serial device tool that features a straightforward command line and configuration file interface to easily connect to serial TTY devices for basic I/O operations. To make a simpler serial device tool for working with serial TTY devices with less focus on classic terminal/modem features and more focus on the needs of embedded developers and hackers. tio was originally created as an alternative to screen for connecting to serial devices when used in combination with tmux.
    Downloads: 4 This Week
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  • 17
    libuv

    libuv

    Cross-platform asynchronous I/O

    libuv is a high-performance, multi-platform C library focusing on asynchronous I/O, originally developed for Node.js. It provides a consistent event-loop and I/O abstraction layer across a range of systems, making non-blocking operations portable and efficient. Full-featured event loop backed by epoll, kqueue, IOCP, event ports. Asynchronous TCP and UDP sockets. Asynchronous DNS resolution. Asynchronous file and file system operations. File system events, ANSI escape code-controlled TTY. IPC with socket sharing, using Unix domain sockets or named pipes (Windows).
    Downloads: 3 This Week
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  • 18
    Wuffs

    Wuffs

    Wrangling Untrusted File Formats Safely

    ...The design prioritizes predictable performance: decoders avoid dynamic allocation by default, return explicit “short read” signals, and run well in streaming or sandbox-free environments. The project ships battle-tested, CPU-friendly implementations for common image/container formats and bit-twiddly primitives like Huffman and checksum routines. Its standard library emphasizes portability and constant-time behavior where appropriate, which is valuable in security-sensitive contexts. Because the language is purpose-built, the resulting C output is small, auditable, and easy to embed in larger systems.
    Downloads: 0 This Week
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  • 19
    Flecs

    Flecs

    A fast entity component system (ECS) for C & C++

    ...Supports entities with hundreds of components and applications with tens of thousands of archetypes. Automatic component registration that works out of the box across shared libraries/DLLs. First open-source ECS with full support for Entity Relationships! Write free functions with queries or run code automatically in systems. Compiles warning-free on 8 compilers on all major platforms, with CI running more than 4000 tests.
    Downloads: 0 This Week
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  • 20
    luaposix

    luaposix

    Lua bindings for POSIX APIs

    This is a POSIX binding for LuaJIT, Lua 5.1, 5.2, 5.3 and 5.4; like most libraries, it simply binds to C APIs on the underlying system, so it won't work on non-POSIX systems. However, it does try to detect the level of POSIX conformance of the underlying system and bind only available APIs. For a while, luaposix contained support for curses functionality too, but now that has its own lcurses repository again, where it is being maintained separately.
    Downloads: 1 This Week
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  • 21
    Guitar

    Guitar

    Git GUI Client

    Many Git client apps have some problems. It's too late to start up, falls well, is user registration tedious when downloading, is paid for commercial use, is not multi-platform, or is an animation or visual effect. It was said that the production was overkill and the wizard and the source code were not published. I tried to eliminate such inconvenience as much as possible. At first I started developing it for my own study, because I was interested in learning how to use Git and how it worked...
    Downloads: 0 This Week
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  • 22
    Capstone

    Capstone

    Capstone disassembly/disassembler framework

    ...Implemented in pure C language, with lightweight bindings for D, Clojure, F#, Common Lisp, Visual Basic, PHP, PowerShell, Emacs, Haskell, Perl, Python, Ruby, C#, NodeJS, Java, GO, C++, OCaml, Lua, Rust, Delphi, Free Pascal & Vala (ready either in main code, or provided externally by the community).
    Downloads: 4 This Week
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  • 23
    MLT Multimedia Framework

    MLT Multimedia Framework

    MLT Multimedia Framework

    Author, manage, and run multitrack audio/video compositions. The engine of a non-linear video editor that can be used in all sorts of apps, not just desktop video editors. MLT is an open source multimedia framework, designed and developed for television broadcasting. It provides a toolkit for broadcasters, video editors, media players, transcoders, web streamers and many more types of applications. The functionality of the system is provided via an assortment of ready-to-use tools, XML authoring components, and an extensible plug-in-based API.
    Downloads: 1 This Week
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  • 24
    Riley's Graphics library FrameWork

    Riley's Graphics library FrameWork

    A cross platform lightweight single-header simple-to-use library

    RGFW (Really Good Framework) is a lightweight, C-based windowing and input library designed to be a minimal alternative to frameworks like GLFW or SDL. It supports OpenGL context creation, input handling, and simple file dialogs while staying highly portable and dependency-free. RGFW is ideal for developers who want tight control over their environment or want to build cross-platform applications with a tiny footprint. It’s particularly suited to educational, experimental, or embedded graphics projects.
    Downloads: 1 This Week
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  • 25
    HummusJS

    HummusJS

    Node.js module for high performance creation and modification of PDFs

    ...Notable examples for Emoji fonts are Windows Segoe UI emoji and Google Noto font. This means that writing text that include emojis will result in lovely colorful emojis, rather than black and white representations. PDFHummus is a fast and free PDF Writing, Parsing and Modification library.
    Downloads: 0 This Week
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