Showing 1345 open source projects for "free"

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  • 1
    Gephi

    Gephi

    Gephi the open graph Viz platform

    Gephi is the leading visualization and exploration software for all kinds of graphs and networks. Gephi is open-source and free. Gephi is an award-winning open-source platform for visualizing and manipulating large graphs. It runs on Windows, Mac OS X and Linux. Localization is available in English, French, Spanish, Japanese, Russian, Brazilian Portuguese, Chinese, Czech and German. Fast Powered by a built-in OpenGL engine, Gephi is able to push the envelope with very large networks. ...
    Downloads: 217 This Week
    Last Update:
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  • 2
    PCSX2

    PCSX2

    The Playstation 2 emulator

    PCSX2 is a free and open-source PlayStation 2 (PS2) emulator. Its purpose is to emulate the PS2's hardware, using a combination of MIPS CPU Interpreters, Recompilers and a Virtual Machine that manages hardware states and PS2 system memory. This allows you to play PS2 games on your PC, with many additional features and benefits. The PCSX2 project has been running for more than ten years.
    Downloads: 167 This Week
    Last Update:
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  • 3
    Deskflow

    Deskflow

    Share a single keyboard and mouse between multiple computers

    Deskflow is a lightweight productivity tool designed to streamline window and workspace management. It features hotkey-driven app launching, workspace switching, window snapping, search快捷启动, and minimal UI. Built with modern frameworks (likely Electron or Qt) and geared toward power users wanting efficient workflow control.
    Downloads: 283 This Week
    Last Update:
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  • 4
    Files

    Files

    A modern file manager for Windows

    ...Files features a fully customizable user interface, right down to the colors and materials. Try custom themes that are built into Files or dive right into the docs and create your own. Files is free and open source software, maintained and designed by a collective of hundreds of contributors. Integration with cloud services such as OneDrive, Google Drive, and iCloud allow you to manage your documents and photos in the cloud, right from the sidebar.
    Downloads: 85 This Week
    Last Update:
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  • 5
    optimizerDuck

    optimizerDuck

    Free, open-source Windows optimization tool for performance

    optimizerDuck is a free, open-source Windows optimization tool focused on performance, privacy, and simplicity. It gives users a single interface for applying researched Windows tweaks without manually editing the registry, services, scheduled tasks, or system settings. The tool targets common sources of overhead, including telemetry, unwanted background services, preinstalled app behavior, conservative power settings, and latency-related defaults.
    Downloads: 34 This Week
    Last Update:
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  • 6
    SoftEther VPN

    SoftEther VPN

    Cross-platform multi-protocol VPN software

    An open-source free cross-platform multi-protocol VPN program, as an academic project from University of Tsukuba, under the Apache License 2.0. The API Suite allows you to easily develop your original SoftEther VPN Server management application to control the VPN Server (e.g. creating users, adding Virtual Hubs, disconnecting a specified VPN sessions) from JavaScript, TypeScript, C# or other languages.
    Downloads: 81 This Week
    Last Update:
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  • 7
    AutoHotkey

    AutoHotkey

    The ultimate automation scripting language for Windows.

    AutoHotkey is a free, open-source scripting language for Microsoft Windows that allows users to automate any desktop task. Create simple to complex scripts to automate tasks that include form fills, autoclicker, macros, and more. It's small, fast and runs out of the box with built in commands for beginners and a full-fledged scripting language for advanced developers.
    Downloads: 105 This Week
    Last Update:
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  • 8
    Ruffle

    Ruffle

    A Flash Player emulator written in Rust

    ...On the web side, Ruffle is embedded into pages or installed as a browser extension; in the desktop version, it can open .swf files directly or embed them in applications. Because it’s built with memory safety in mind, Ruffle helps avoid many of the security vulnerabilities that plagued classic Flash (buffer overflows, use-after-free, etc.). It strives to support multiple versions of ActionScript (1, 2 and parts of 3) and a wide swath of the Flash API so as much content as possible works unchanged.
    Downloads: 39 This Week
    Last Update:
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  • 9
    Eden Emulator

    Eden Emulator

    Free and opensource (FOSS) Switch 1 emulator

    Eden Emulator is an experimental open-source emulator designed to replicate Nintendo Switch hardware with a focus on stability and performance improvements. It builds on modern emulation techniques to deliver smoother gameplay and better compatibility with newer titles. The project emphasizes frequent updates that reduce graphical glitches, improve rendering pipelines, and enhance overall system stability. Eden supports multiple platforms, including desktop and mobile environments, expanding...
    Downloads: 184 This Week
    Last Update:
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  • 10
    MAME

    MAME

    MAME is a multi-purpose emulation framework

    MAME's purpose is to preserve decades of software history. As electronic technology continues to rush forward, MAME prevents this important "vintage" software from being lost and forgotten. This is achieved by documenting the hardware and how it functions. The source code to MAME serves as this documentation. The fact that the software is usable serves primarily to validate the accuracy of the documentation (how else can you prove that you have recreated the hardware faithfully?). Over time,...
    Downloads: 31 This Week
    Last Update:
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  • 11
    Prism Launcher

    Prism Launcher

    Custom launcher for Minecraft to easily manage installations

    An Open Source Minecraft launcher with the ability to manage multiple instances, accounts, and mods. Focused on user freedom and free redistributability. Install and launch modpacks easily, while keeping them clean. No longer do you need to manually install them, and easily update mod packs, Prism Launcher can do these tasks for you, without installing tons of separate launchers. Prism Launcher is able to download & update individual mods from outside of modpacks using Modrinth and CurseForge. ...
    Downloads: 158 This Week
    Last Update:
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  • 12
    sigma-file-manager

    sigma-file-manager

    "Sigma File Manager" is a free, open-source, quickly evolving app

    "Sigma File Manager" is a free, open-source, quickly evolving, modern file manager (explorer/finder) app for Windows and Linux. Designed, developed, and maintained by Aleksey Hoffman | Twitter | Reddit. Create the best existing intelligent file manager & productivity app that will significantly speed up your workflow, provide you with advanced tools, and keep your data safe.
    Downloads: 7 This Week
    Last Update:
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  • 13
    Libre Hardware Monitor

    Libre Hardware Monitor

    Monitor temperature sensors, fan speed, voltage, load & clock speeds

    Libre Hardware Monitor is a free, open-source system monitoring tool that provides detailed insights into your computer’s hardware health and performance. It tracks real-time metrics such as temperatures, fan speeds, voltages, clock speeds, and load across a wide range of components. The project includes both a Windows Forms application for visual monitoring and a reusable library for developers who want to integrate hardware monitoring into their own software.
    Downloads: 180 This Week
    Last Update:
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  • 14
    RetroBIOS

    RetroBIOS

    Complete BIOS & firmware packs for RetroArch, Batocera, Recalbox, etc.

    ...It also includes detailed documentation, cross-platform mappings, and verification tools to help users manage and audit their BIOS collections. Overall, RetroBIOS serves as a reliable, structured solution for retro gaming enthusiasts who want accurate and hassle-free emulator setups.
    Downloads: 177 This Week
    Last Update:
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  • 15
    Persepolis Download Manager

    Persepolis Download Manager

    Persepolis Download Manager is a GUI for aria2

    Persepolis is a download manager & a GUI for Aria2. It's written in Python. Persepolis is a sample of free and open source software. It's developed for GNU/Linux distributions, BSDs, MacOS, and Microsoft Windows.
    Downloads: 33 This Week
    Last Update:
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  • 16

    lessmsi

    Tool to view and extract contents of a Windows Installer (.msi) file

    lessmsi (formerly known as Less Msiérables) is a free utility with a graphical user interface and a command line interface used for viewing and extracting the contents of a Windows Installer (.msi) file.
    Downloads: 31 This Week
    Last Update:
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  • 17
    Dokany

    Dokany

    User mode file system for Windows

    ...When creating new file systems on Windows, you need to develop a device driver that works in the kernel mode on Windows-- a difficult task without technical Windows Kernel knowledge. Dokany makes it easy. It enables you to create these file systems without device drivers, and is completely free to download. It is similar to FUSE, and also offers compatibility with a FUSE file system.
    Downloads: 66 This Week
    Last Update:
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  • 18
    Algo VPN

    Algo VPN

    Set of Ansible scripts that simplifies the setup of a personal VPN

    ...Algo automatically deploys an on-demand VPN service in the cloud that is not shared with other users, relies on only modern protocols and ciphers, and includes only the minimal software you need. And it’s free. For anyone who is privacy conscious, travels for work frequently, or can’t afford a dedicated IT department, this one’s for you. Really, the paid-for services are just commercial honeypots. If an attacker can compromise a VPN provider, they can monitor a whole lot of sensitive data. Paid-for VPNs tend to be insecure: they share keys, their weak cryptography gives a false sense of security, and they require you to trust their operators. ...
    Downloads: 16 This Week
    Last Update:
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  • 19
    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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  • 20
    xemu

    xemu

    Original Xbox Emulator for Windows, macOS, and Linux

    A free and open-source application that emulates the original Microsoft Xbox game console, enabling people to play their original Xbox games on Windows, macOS, and Linux systems. The source code for xemu is publicly available. Users are invited to help improve the project! xemu runs natively on Windows, macOS, and Linux platforms. Pre-compiled binaries are available for Windows, macOS, and Ubuntu.
    Downloads: 55 This Week
    Last Update:
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  • 21
    AnySoftKeyboard

    AnySoftKeyboard

    Android (f/w 2.1+) on screen keyboard for multiple languages

    The only Android keyboard you'll ever need. Free as in speech and Free as in beer. Android (f/w 4.0.3+, API level 15+) on screen keyboard for multiple languages.
    Downloads: 5 This Week
    Last Update:
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  • 22
    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: 63 This Week
    Last Update:
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  • 23
    Open Hardware Monitor

    Open Hardware Monitor

    Monitor temperature sensors, fan speeds, voltages, load & clock speeds

    Open Hardware Monitor is a free and open-source hardware monitoring tool that helps users track the health and performance of their computer. It monitors key system metrics such as CPU temperatures, fan speeds, voltages, clock speeds, and system load. The software supports many hardware monitoring chips commonly found on modern motherboards. It can also read Intel and AMD processor temperature sensors, GPU sensors from ATI and Nvidia cards, and SMART hard drive temperatures.
    Downloads: 81 This Week
    Last Update:
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  • 24
    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: 71 This Week
    Last Update:
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  • 25
    KeyboardKit

    KeyboardKit

    KeyboardKit is a Swift library that helps you build custom keyboard

    ...KeyboardKit is a Swift-based SDK that helps you build custom keyboard extensions with Swift and SwiftUI. It extends the native keyboard APIs and provides you with a lot of functionality. The KeyboardKit project is open-source and completely free. It's hosted at GitHub, which is where you find information, documentation, sample code, demo apps etc. KeyboardKit Pro is a license-based extension to KeyboardKit. It unlocks a bunch of pro features, like more locales, localized system keyboards, local and remote autocomplete etc. KeyboardKit comes with support for 50+ locales, with more being added over time. ...
    Downloads: 10 This Week
    Last Update:
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