Free open-source platform offering instant messaging, VoIP, private DMs, group chats, voice, video, markdown, moderation, search, customization, and self-hosting.
kMeet is an unlimited, free, Swiss solution for organising encrypted video-conferences.
Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers.
Fully self-hosted communication platform for audio, video, and chat with advanced encryption, metadata privacy, screensharing, and web conferencing features.
Decentralized messenger with end-to-end encryption, no registration, no tracking, metadata protection, secure file sharing, and multi-device syncing.
Encrypted platform supporting private, identifier-free messaging, group conversations, file sharing, and audio/video calling, using a double-ratchet protocol.
Instant messaging with text, voice, video calling, screen sharing, privacy controls, customizable permissions, moderation, bots, and open-source design.
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.
Lemmy is similar to sites like Reddit, Lobste.rs, or Hacker News: you subscribe to forums you're interested in, post links and discussions, then vote, and comment on them. Behind the scenes, it is very different; anyone can easily run a server, and all these servers are...
Share, discover, and create short videos across the social web. An open-source alternative that puts creators and communities first, built on federated technology for true ownership and privacy.
Federated and open-source social network with no ads, 500-character limit, custom emojis, and content warnings, emphasizing privacy and personal interaction.
Federated image sharing platform prioritizing privacy, safety, and user control, ad-free operation, no algorithms, open-source, and supports self-hosting.
CoMaps is a new community-driven map app project born out of the desire to create a truly open, transparent, and community-focused navigation app.
OpenStreetMap is a project aimed squarely at creating and providing free geographic data such as street maps to anyone who wants them. It is a free editable map of the whole world. It is made by people like you.
Privacy-focused GPS app with offline maps and community development, featuring real-time navigation, no location tracking, and open-source software.
Navigation app with offline and online OSM maps, turn-by-turn voice guidance, cycling and driving modes, GPX tracking, POI search, and monthly updates.
CachyOS is designed to deliver lightning-fast speeds and stability, ensuring a smooth and enjoyable computing experience every time you use it. Whether you're a seasoned Linux user or just starting out, CachyOS is the ideal choice for those looking for a powerful...
EndeavourOS is an Arch-based distro that provides an Arch experience without the hassle of installing it manually for both x86_64 and ARM systems. After installation, you’re provided with a lightweight and almost barebones environment ready to be explored with your terminal...
Free, open source Linux OS by KDE, focusing on safety, maintainability, and modern features, integrating KDE Plasma and apps for diverse home or enterprise use.
Desktop-focused Linux system offering custom menus, multimedia codecs, browser plugins, native DVD playback, and integrated software manager with user-friendly tools.
Manjaro is a user-friendly Linux distribution based on the independently developed Arch operating system. Within the Linux community, Arch itself is renowned for being an exceptionally fast, powerful, and lightweight distribution that provides access to the very latest cutting...
Linux-based operating system with a customizable interface for Windows users, dual-boot support, WINE compatibility, pre-installed software, and easy setup.
Ark is a program for viewing, extracting, creating and modifying archives. Ark can handle various archive formats such as tar, gzip, bzip2, zip, rar, 7zip, xz, rpm, cab and deb (support for certain archive formats depend on the appropriate command-line programs being installed).
EUSurvey is supported by the European Commission to promote interoperability solutions for European public administrations. A hosted version is available free of charge to all EU citizens. Open-source, published under the EUPL licence.
Excalidraw is an open-source whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them. Available directly online as a web app and also through CodeSandbox to easily see how the code works, and the app is available for self-hosting.
Bibliography reference manager. The native file format used by JabRef is BibTeX, the standard LaTeX bibliography format.
LimeSurvey (formerly PHPSurveyor) is an Open Source PHP web application to develop, publish and collect responses to online & offline surveys. Anonymous and Not-Anonymous survey, open and closed group of participant surveys, optional public registration for surveys.
Open source software offering project timelines, issue tracking, and document management with robust security and flexible management options.
Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.
PeaZip is free file archiver utility, based on Open Source technologies of 7-Zip, p7zip, FreeArc, PAQ, and PEA projects, for Linux, macOS and Windows.
ProjectLibre is a Java-based project management solution that gives Microsoft Project a run for its money. Offering a UI similar enough to ease the transition from Microsoft's market leader, ProjectLibre packs in calendars, resource tracking, task management, and...
Think of Vikunja like the notebook you have with all your things to keep track of. But better.
Yakforms is a free-as-in-free-speech software that allows you to easily create forms for your community. Whether you need a full-blown or a quick poll, Yakforms will fit your needs.
Open-source screenshot tool with cross-platform support, customizable interface, built-in editing, CLI access, and direct Imgur uploads.
Fast image viewer with support for multiple formats, quick crop, rotate, lossless JPEG editing, drag-and-drop, thumbnail navigation, and slideshow mode.
Intuitive multi-track video editor with robust hardware-accelerated support; offers chroma key, color grading, and extensive audio/video format compatibility.
A free, open-source painting program for professional artists offering customizable UI, 9 brush engines, layer support, and color management.
Comprehensive software providing screen recording and live streaming on Mac, Windows, and Linux with powerful encoding support and unlimited scenes.
PicView is a fast, free and fully customizable picture viewer for macOS and Windows 10/11. It supports virtually all image file types, including (animated) WEBP, (animated) GIF, SVG, AVIF, HEIC, PSD and many others.
Cross-platform, free media player supports multimedia files, DVDs, streaming, offers hardware acceleration, 4K, lossless audio, and more.
*Loops and Pixelfed are Canadian, but they are the best FOSS alternatives to Instagram and Tiktok.
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