Showing 5500 open source projects for "gnu linux"

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  • 1
    Fluxer

    Fluxer

    A free and open source instant messaging and VoIP platform

    Fluxer is a free and open-source instant messaging and VoIP platform designed to provide communities, friend groups, and teams with a self-hostable communication alternative. The project combines real-time chat, voice calling, and community features into a unified system that can be deployed independently rather than relying on centralized proprietary services. It is built with a modern TypeScript stack and focuses on delivering a clean user experience alongside flexible infrastructure...
    Downloads: 15 This Week
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  • 2
    WeeChat

    WeeChat

    The extensible chat client

    The extensible chat client. Full-featured IRC plugin: multi-servers, proxy support, IPv6, SASL authentication, nicklist, DCC, and many other features. 256 colors, horizontal and vertical splits, smart filtering, customizable bars and much more. 8 scripting languages supported with a built-in scripts manager. Connect to your WeeChat instance from your browser, smartphone, GUI client, Emacs or even another WeeChat.
    Downloads: 5 This Week
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  • 3
    Tutanota

    Tutanota

    Open source email service with a strong focus on security and privacy

    Tutanota is an open source email client focused on security and privacy. It is built with end-to-end encryption and 2FA, so you can be assured of utmost email security. Tutanota is always encrypted, so whether you’re using their secure webmail client, mobile apps or desktop clients, you can be sure to communicate securely.
    Downloads: 12 This Week
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  • 4
    AltSendme

    AltSendme

    Send files and folders anywhere in the world without storing in cloud

    Alt-Sendme is a free, open-source peer-to-peer file transfer tool that allows users to send files and folders directly between devices without relying on cloud storage or intermediary accounts. Built with modern networking principles, it provides a secure, end-to-end encrypted connection that prioritizes privacy, so personal data is not stored on third-party servers during transfer. Users can share files of any size and format easily, which makes Alt-Sendme a flexible alternative to services...
    Downloads: 16 This Week
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  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

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  • 5
    Tox

    Tox

    A New Kind of Instant Messaging

    Tox is a peer to peer (serverless) instant messenger that focuses on security and privacy. In today's world where digital surveillance is rampant, Tox offers users a communication software alternative that's free from prying eyes and ears, and is, quite literally free and without advertising. Tox comes with all the great features you'd expect from an instant messenger application, including voice calls, video calls, file sharing and screen sharing. Everything done on Tox is encrypted...
    Downloads: 18 This Week
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  • 6
    Signal Desktop

    Signal Desktop

    Private messenger for Windows, Mac, and Linux

    Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect. State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either. Privacy isn’t an optional mode, it’s just the way that Signal works. Every message, every call, every time. Share text, voice messages, photos, videos, GIFs and files for...
    Downloads: 16 This Week
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  • 7
    PikaTorrent

    PikaTorrent

    Just pick a Torrent, stream and download on all your devices

    PikaTorrent is a modern, cross-platform BitTorrent client designed for ease of use across desktop and mobile devices. Developed using Flutter, it offers a unified experience on Windows, Linux, Android, and plans for macOS and iOS. PikaTorrent emphasizes user-friendliness, allowing users to stream and download torrents seamlessly, with features like remote management and dark mode support enhancing the overall experience.​
    Downloads: 10 This Week
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  • 8
    UNIT3D

    UNIT3D

    UNIT3D is a private torrent tracker built with Laravel, Livewire

    UNIT3D is a modern, open-source torrent tracker and private community platform built on Laravel. It includes features for user management, torrent uploading, peer tracking, and community interaction. UNIT3D is customizable and packed with functionality aimed at private tracker operators, offering a responsive design and a powerful admin panel.
    Downloads: 9 This Week
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  • 9
    Pixiv Batch Downloader

    Pixiv Batch Downloader

    Batch download artworks and novels, filter works, etc.

    Chrome extension to batch download illustrations and novels from Pixiv. Filter artwork, rename while downloading, convert dynamic images, and more. Powerful Pixiv batch downloader. Batch download artworks and novels, filter works, rename when downloading, convert animated images, and more. Pixiv Image Batch Downloader is installed in the browser, when you want to download, you don't have to leave the browser. You just need to click the download button on the page to open the download...
    Downloads: 15 This Week
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  • 10
    Cinny

    Cinny

    Yet another matrix client

    Cinny is an open-source Matrix client that focuses on delivering a simple, elegant, and secure instant messaging experience built on decentralized communication technology. As a web-based Matrix client, Cinny emphasizes a modern and streamlined interface, clean navigation between direct messages and channels, and a design that prioritizes clarity and ease of use while preserving strong security through end-to-end encryption. Users can self-host Cinny, deploy it via Docker or as a static web...
    Downloads: 10 This Week
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  • 11
    Proton Mail Bridge

    Proton Mail Bridge

    Proton Mail Bridge application

    Proton Mail Bridge is a desktop application that runs in the background on Windows, macOS, and Linux to enable users to access their Proton Mail encrypted email accounts with traditional email clients like Outlook, Thunderbird, Apple Mail, and others via local IMAP/SMTP servers. Because standard IMAP cannot natively decrypt end-to-end encrypted messages, Bridge acts as a translator that downloads encrypted mail, decrypts it locally, and serves it to your preferred mail client over a local...
    Downloads: 10 This Week
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  • 12
    Caesium Image Compressor

    Caesium Image Compressor

    Store, send and share digital pictures, supporting JPG, PNG, WebP

    Caesium is an image compression software that helps you store, send, and share digital pictures, supporting JPG, PNG, WebP, and TIFF formats. You can quickly reduce the file size (and resolution, if you want) by preserving the overall quality of the image.
    Downloads: 5 This Week
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  • 13
    gtkcord4

    gtkcord4

    GTK4 Discord client in Go, attempt #4

    GTK4 Discord client in Go, attempt #4. gtkcord4 needs GTK4, object-introspection, and optionally libcanberra. If compiling, then the library headers are also required. gtkcord4's CI automatically builds each release for Linux x86_64 and aarch64. See the Releases page for the binaries.
    Downloads: 4 This Week
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  • 14
    SimpleXMQ

    SimpleXMQ

    A reference implementation of the SimpleX Messaging Protocol

    A reference implementation of the SimpleX Messaging Protocol for simplex queues over public networks. SimpleXMQ is a message broker for managing message queues and sending messages over a public network. It consists of an SMP server, SMP client library, and SMP agent that implements SMP protocol for client-server communication and SMP agent protocol to manage duplex connections via simplex queues on multiple SMP servers. SMP protocol is inspired by Redis serialization protocol, but it is...
    Downloads: 6 This Week
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  • 15
    CryptPad
    CryptPad is an open-source, end-to-end encrypted collaborative office suite developed by XWiki SAS. It offers a privacy-focused alternative to mainstream cloud-based productivity tools, enabling users to create, edit, and share documents securely without compromising data privacy. All content is encrypted client-side, ensuring that only authorized users can access the information. CryptPad supports various applications, including rich text documents, spreadsheets, presentations, code...
    Downloads: 8 This Week
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  • 16
    Discourse

    Discourse

    A platform for community discussion. Free, open, simple

    Discourse is a modern, open-source discussion platform that rethinks forum software with an emphasis on civilized, long-lived conversations and community moderation at scale. It replaces dated bulletin-board paradigms with features like real-time updates, infinite scrolling, rich text composition, and progressive trust levels that let communities delegate moderation as members demonstrate good behavior. On the administrative side, Discourse provides powerful moderation tools—flagging, bulk...
    Downloads: 7 This Week
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  • 17
    NodeBB

    NodeBB

    Node.js based forum software built for the modern web

    A better community platform for the modern web. NodeBB is next generation forum software. It's powerful, mobile-ready and easy to use. NodeBB Forum Software is powered by Node.js and supports either Redis, MongoDB, or a PostgreSQL database. It utilizes web sockets for instant interactions and real-time notifications. NodeBB has many modern features out of the box such as social network integration and streaming discussions, while still making sure to be compatible with older browsers. From...
    Downloads: 10 This Week
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  • 18
    Lenstube

    Lenstube

    Decentralized video-sharing social media platform

    Decentralized video-sharing social media platform, built using Lens protocol. This turborepo uses Yarn as a package manager. For a place to have open discussions on features, voice your ideas, or get help with general questions please visit our community at Discord.
    Downloads: 2 This Week
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  • 19
    Nextcloud Talk

    Nextcloud Talk

    Video- & audio-conferencing app for Nextcloud

    Nextcloud Talk is the official chat, video and audio conferencing app for Nextcloud that allows users to chat, call and screenshare with multiple other users. Nextcloud offers better protection for your communication as it provides end-to-end encryption and keeps even metadata from leaking. You can have private, group, public or password protected calls by simply inviting one person, a whole group, or sending a public link as an invitation to a call. It is also conveniently integrated with...
    Downloads: 6 This Week
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  • 20
    ElectronMail

    ElectronMail

    Unofficial ProtonMail Desktop App

    ElectronMail is an Electron-based unofficial desktop client for ProtonMail. The app aims to provide enhanced desktop user experience enabling features that are not supported by the official in-browser web clients. It is written in TypeScript and uses Angular. The way of verifying that the installation packages attached to the releases have been assembled from the source code is being provided. The app works on Linux/OSX/Windows platforms. Binary installation packages. Offline access to the...
    Downloads: 3 This Week
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  • 21
    Parabol

    Parabol

    Free online agile retrospective meeting tool

    Parabol gives structure to your meetings to get your team talking and moving forward faster. Add anonymous suggestions, create tasks as you go, and document your conversation in real-time with discussion threads – with your remote or hybrid team. Bring Planning Poker to life remotely. Sync issues from your backlog management tool and estimate with a fun digital card deck. Save your team time while staying up-to-date. Connect with team-mates – no matter where you all are, share updates on...
    Downloads: 4 This Week
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  • 22
    Hybrid Browser

    Hybrid Browser

    A p2p browser, browse the p2p networks along with the regular net

    Browse the p2p networks, and create and view p2p websites. It means you will be able to interact with p2p networks and view the p2p data on the browser. You will be able to create and upload p2p websites. This makes it possible to create fully peer-to-peer websites, no middlemen and no servers.
    Downloads: 2 This Week
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  • 23
    listmonk

    listmonk

    High performance, self-hosted, newsletter and mailing list manager

    Performance and features packed into a single binary. Manage millions of subscribers across many single and double opt-in lists with custom JSON attributes for each subscriber. Query and segment subscribers with SQL expressions. Use the super fast bulk importer (10k records per second) or use HTTP/JSON APIs or interact with the simple table schema to integrate external CRMs and subscriber databases. Visualize and compare campaign performance. Connect external visualization programs to the...
    Downloads: 4 This Week
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  • 24
    Toxic

    Toxic

    A Tox-based instant messaging and video chat client

    Toxic is a Tox protocol-based command-line messenger for Linux, offering fully encrypted, decentralized, and serverless instant messaging. It includes features such as text messaging, file transfer, and audio calls—all without requiring user accounts or central servers. Toxic is designed for power users who prefer a minimalist interface, operating entirely within a terminal while delivering strong privacy through the Tox peer-to-peer protocol. It’s lightweight, fast, and ideal for use in...
    Downloads: 2 This Week
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  • 25
    trackerslist

    trackerslist

    Updated list of public BitTorrent trackers

    trackerslist is a repository that provides continuously updated lists of public BitTorrent trackers, designed to improve torrent download performance and peer discovery. The project is maintained by an automated system that regularly checks tracker availability, removes duplicates, and ranks them based on reliability and latency. It offers multiple formats of tracker lists, including HTTP, HTTPS, WebSocket, and IP-based versions, making it compatible with a wide range of BitTorrent clients....
    Downloads: 3 This Week
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