Showing 10702 open source projects for "free"

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  • 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.
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  • Demo Series - Small Business Backup By Veeam Icon
    Demo Series - Small Business Backup By Veeam

    Learn how to protect your Microsoft 365 data, with simple, actionable tips today.

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  • 1
    Outline Server

    Outline Server

    Outline Manager, developed by Jigsaw

    Access to the free and open Internet. Outline makes it easy to create a VPN server, giving anyone access to the free and open Internet. Outline allows anyone to access the free and open Internet more securely by running their own VPN. Running your own VPN server with Outline increases the security of Internet access and makes the connection harder to block.
    Downloads: 3 This Week
    Last Update:
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  • 2
    HUSTOJ

    HUSTOJ

    Popular Open Source Online Judge based on PHP/C++/MySQL/Linux

    Popular Open Source Online Judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training, with easy installation. Open source OJ system. HUSTOJ is free software under the GPL. (Only the original part of the code, which uses components from other open-source projects, please follow the agreement of the original component.) Because the web terminal/database/judgment machine are all packaged in the same image and cannot be extended, it is not recommended to use this image for distributed judgment. ...
    Downloads: 9 This Week
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  • 3
    Umbrel

    Umbrel

    A beautiful personal server OS for Raspberry Pi or any Linux distro

    Run your personal server with a Bitcoin and Lightning node in your home, self-host open source apps like Nextcloud and Matrix to break away from big tech, and take full control of your data. For free. All our interactions on the internet today are mediated by a few companies who offer “free” services in exchange for storing our data on their servers to spy on us. Running a personal server fundamentally changes that. You and your family’s photos, videos, files, notes, passwords, everything, have nothing to do with someone else’s computer. ...
    Downloads: 28 This Week
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  • 4
    Linux Kernel

    Linux Kernel

    Linux Kernel source tree

    The Linux Kernel is the core component of the Linux operating system—a free, open-source, monolithic, Unix-like system kernel initiated by Linus Torvalds in 1991 and since evolved into a foundational technology powering everything from servers and supercomputers to smartphones and embedded devices. There are various text files in the Documentation/ subdirectory, several of them using the reStructuredText markup notation.
    Downloads: 53 This Week
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  • 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.
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  • 5
    WebCord

    WebCord

    A Discord and SpaceBar :electron:-based client

    Nowadays, WebCord is quite complex project; it can be summarized as a pack of security and privacy hardenings, Discord features reimplementations, Electron / Chromium / Discord bugs workarounds, stylesheets, internal pages and wrapped Discord page, designed to conform with ToS as much as it is possible (or hide the changes that might violate it from Discord's eyes). WebCord does a lot to improve the privacy of the users. It blocks known tracing and fingerprinting methods, but it does not end...
    Downloads: 60 This Week
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  • 6
    MDB Vue UI Kit

    MDB Vue UI Kit

    Vue 3 & Bootstrap 5 & Material Design 2.0 UI KIT

    Bootstrap 5 & Vue 3 UI KIT - 700+ components, MIT license, simple installation. MDB is a collection of free Bootstrap templates, themes, design tools & resources. Simple installation via .zip, npm or cdnjs. Free Hosting, WordPress support, custom domains, SSL support, free database, frontend & backend templates, webpack starter included, git repository, FTP & Jenkins support.
    Downloads: 0 This Week
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  • 7
    Serial Studio

    Serial Studio

    Multi-purpose serial data visualization & processing

    Serial Studio is a simple, multi-platform, and multi-purpose serial data visualization program that allows embedded developers to visualize, analyze, and present data generated from their projects and devices while avoiding the need to write project-specific visualization software. Over my many CanSat-based competitions, I found myself writing and maintaining several Ground Station software for each program. However, I decided that it would be easier and more sustainable to define one...
    Downloads: 23 This Week
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  • 8
    Memtest86+

    Memtest86+

    Stand-alone memory tester for x86 and x86-64 architecture computers

    Memtest86+ is a free, open-source, stand-alone memory diagnostic tool designed to thoroughly test system RAM beyond standard BIOS checks. It runs independently of any operating system, allowing it to access nearly all available memory without software or UEFI library limitations. Supporting x86, x86-64, and LoongArch64 architectures, Memtest86+ works on a wide range of modern and legacy hardware platforms.
    Downloads: 118 This Week
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  • 9
    Firebird

    Firebird

    Firebird server, client and tools

    ...It has been used in production systems, under a variety of names, since 1981. To enhance the Firebird functionality, IBSurgeon has sponsored the development and now released for public use the free open source "IBSurgeon Full Text Search UDR" to perform full-text search queries within SQL and PSQL. UDR works with Firebird 3 and 4, for Windows, there are ready-to-use binaries, for Linux, it is necessary to build the UDR. The UDR is based on Lucene++ engine, with all the powerful features required for full-text search and with very fast performance (build as native C++ library). ...
    Downloads: 82 This Week
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  • Paessler - Monitor Your Whole Network in Minutes Icon
    Paessler - Monitor Your Whole Network in Minutes

    Auto-discovery finds your devices and deploys pre-configured sensors instantly. No project plan required, just visibility from day one.

    Waiting weeks for a monitoring rollout isn't an option when infrastructure doesn't stop running. PRTG's auto-discovery scans your network and suggests from over 200 pre-configured sensor types, so you're watching servers, applications and devices within minutes, not after a multi-week deployment. Enterprise-strength monitoring, without the enterprise complexity. Start your free trial today.
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  • 10
    Taisei Project

    Taisei Project

    A free and open-source Touhou Project fangame

    Taisei is a free, open-source clone of the Touhou Project bullet hell shoot-'em-up games, written entirely from scratch. It aims to be a faithful recreation of the classic Touhou gameplay experience, complete with original assets that capture the aesthetics and charm of the original series. Built using portable and modern tools, it runs across platforms including Linux, Windows, macOS, and even web browsers via WebGL.
    Downloads: 2 This Week
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  • 11
    Anki

    Anki

    Anki is a smart spaced repetition flashcard program

    Anki is a free, open-source spaced repetition flashcard application designed for efficient long‑term memorization. It supports a wide variety of media types (text, images, audio, LaTeX), advanced scheduling algorithms (SM‑2, FSRS), and extensibility via add‑ons. It’s widely used for education, language learning, medical training, and more.
    Downloads: 49 This Week
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  • 12
    Calibre eBook Manager

    Calibre eBook Manager

    Open-source software suite for e-book management

    Calibre is a useful and powerful eBook Management System. Calibre has the ability to view, convert, edit, and catalog e-books of almost any e-book format. This open source ebook manager and e-reader solution give you a free access to read and manage your digital book collection with ease.
    Downloads: 43 This Week
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  • 13
    Open-LLM-VTuber

    Open-LLM-VTuber

    Open source AI VTuber platform with voice chat and Live2D avatars

    Open-LLM-VTuber is an open source platform designed to create AI-powered VTuber characters that can interact with users through voice and animated avatars. It enables hands-free conversations with large language models by combining speech recognition, language processing, and text-to-speech synthesis into a single system. Users can speak directly to the AI character, and the system can respond with a generated voice while animating a Live2D avatar to simulate a talking virtual personality. Open-LLM-VTuber is modular, allowing developers to swap or configure different language models, speech recognition engines, and voice synthesis systems depending on their needs. ...
    Downloads: 17 This Week
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  • 14
    TeXworks

    TeXworks

    A simple interface for working with TeX documents

    TeXworks is a free and simple working environment for authoring TeX (LaTeX, ConTeXt and XeTeX) documents. Inspired by Dick Koch's award-winning TeXShop program for Mac OS X, it makes entry into the TeX world easier for those using desktop operating systems other than OS X. It provides an integrated, easy-to-use environment for users on other platforms particularly GNU/Linux and Windows and features a clean, simple interface accessible to casual and non-technical users.
    Downloads: 62 This Week
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  • 15
    Horse

    Horse

    Fast, opinionated, minimalist web framework for Delphi

    ...Horse works with Delphi 11 Alexandria, Delphi 10.4 Sydney, Delphi 10.3 Rio, Delphi 10.2 Tokyo, Delphi 10.1 Berlin, Delphi 10 Seattle, Delphi XE8 and Delphi XE7. Horse is free and open-source software licensed under the MIT License.
    Downloads: 4 This Week
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  • 16
    Material Design for Bootstrap 5 React 17

    Material Design for Bootstrap 5 React 17

    React 17 & Bootstrap 5 & Material Design 2.0 UI KIT

    MDB is a collection of free Bootstrap templates, themes, design tools & resources. Simple installation via .zip, npm, or cdnjs. Free Hosting, WordPress support, custom domains, SSL support, free database, frontend & backend templates, webpack starter included git repository, FTP & Jenkins support. One-click setup! MDB GO allows you to create a WordPress page with a single click.
    Downloads: 0 This Week
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  • 17
    The NLopt module for Julia

    The NLopt module for Julia

    Package to call the NLopt nonlinear-optimization library from Julia

    This module provides a Julia-language interface to the free/open-source NLopt library for nonlinear optimization. NLopt provides a common interface for many different optimization algorithms.
    Downloads: 0 This Week
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  • 18
    Edpuzzle Answers

    Edpuzzle Answers

    A Javascript bookmarklet that can get the answers for Edpuzzle

    Edpuzzle Answers is a JavaScript-based bookmarklet and script toolkit designed to interact with Edpuzzle assignments by automating video playback and extracting answer data from embedded questions. It operates directly within the browser, requiring no installation beyond saving the bookmarklet, and injects code into the active Edpuzzle page to modify its behavior in real time. The tool can retrieve answers for multiple-choice questions, automate responses, and adjust playback settings,...
    Downloads: 73 This Week
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  • 19
    lshort-zh-cn

    lshort-zh-cn

    A Chi­nese edi­tion of the Not So Short Introduction to LaTeX2

    Chinese translation and adaptation of “The Not So Short Introduction to LaTeX2ε.” This manual covers LaTeX basics through advanced typesetting in Chinese, with new sections on modern tools like TikZ, bibliography handling, and more examples for Chinese-language typesetting.
    Downloads: 0 This Week
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  • 20
    Lakka

    Lakka

    Linux distribution that transforms a computers into game consoles

    Lakka is a lightweight Linux distribution that transforms a small computer into a full-blown emulation console. Built on top of the famous RetroArch emulator, Lakka is able to emulate a large range of hardware and has some useful features such as Braid-like rewinding, joypad hotplug, and video streaming. Lakka is easy to set up and use. Once installed on your SD card, you just have to put your ROM on the card, plug your joypad, and enjoy your favorite old games. We also support PS3 and...
    Downloads: 73 This Week
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  • 21
    Bevy

    Bevy

    A refreshingly simple data-driven game engine built in Rust

    ...The fastest ECS according to some benchmarks. Components are Rust structs, Systems are Rust functions. Queries, Global Resources, Local Resources, Change Detection, Lock-Free Parallel Scheduler. Bevy is still in the very early stages of development. APIs can and will change (now is the time to make suggestions!). Important features are missing. Documentation is sparse. Please don't build any serious projects in Bevy unless you are prepared to be broken by API changes constantly. Bevy relies heavily on improvements in the Rust language and compiler. ...
    Downloads: 10 This Week
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  • 22
    SBCL

    SBCL

    Mirror of Steel Bank Common Lisp (SBCL)'s repository

    Steel Bank Common Lisp (SBCL) is a high-performance Common Lisp compiler. It is open-source/free software, with a permissive license. In addition to the compiler and runtime system for ANSI Common Lisp, it provides an interactive environment including a debugger, a statistical profiler, a code coverage tool, and many other extensions. SBCL runs on Linux, various BSDs, macOS, Solaris, and Windows. See the download page for supported platforms, and the getting started guide for additional help. ...
    Downloads: 10 This Week
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  • 23
    mitmproxy

    mitmproxy

    A free and open source interactive HTTPS proxy

    mitmproxy is an open source, interactive SSL/TLS-capable intercepting HTTP proxy, with a console interface fit for HTTP/1, HTTP/2, and WebSockets. It's the ideal tool for penetration testers and software developers, able to debug, test, and make privacy measurements. It can intercept, inspect, modify and replay web traffic, and can even prettify and decode a variety of message types. Its web-based interface mitmweb gives you a similar experience as Chrome's DevTools, with the addition of...
    Downloads: 10 This Week
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  • 24
    Blockbench

    Blockbench

    Blockbench - A low poly 3D model editor

    Blockbench is a free, modern model editor for low-poly and boxy models with pixel art textures. Models can be exported into standardized formats, to be shared, rendered, 3D-printed, or used in game engines. There are also multiple dedicated formats for Minecraft Java and Bedrock Edition with format-specific features. Blockbench features a modern and intuitive UI, plugin support and innovative features.
    Downloads: 104 This Week
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  • 25
    MarkEdit

    MarkEdit

    Just like TextEdit on Mac but dedicated to Markdown

    MarkEdit is a free and open-source Markdown editor, for macOS. It's just like TextEdit on Mac but dedicated to Markdown.
    Downloads: 16 This Week
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