Europe’s Open-Source Solutions: Your Guide to Transparent, Independent and GDPR-Aligned Software.

EUFOSS9132
EUFOSS9132List by EUFOSS9132, last updated 
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  1. Fluxer icon
     Like

    Free open-source platform offering instant messaging, VoIP, private DMs, group chats, voice, video, markdown, moderation, search, customization, and self-hosting.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    Fluxer screenshot 1
    Fluxer screenshot 1
  2. kMeet is an unlimited, free, Swiss solution for organising encrypted video-conferences.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • F-Droid
    Infomaniak kMeet screenshot 1
    Infomaniak kMeet screenshot 1
    Infomaniak kMeet screenshot 2
    +14
    Infomaniak kMeet screenshot 3
  3. Matrix icon
     Like

    Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • WebRTC
    • Python
    • JavaScript
    • Go (Programming Language)
    • Cloudron
    • Java
    • Perl
    Main Page
    Matrix screenshot 1
  4. Fully self-hosted communication platform for audio, video, and chat with advanced encryption, metadata privacy, screensharing, and web conferencing features.

    Cost / License

    • Free Personal
    • Open Source

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Nextcloud
    • F-Droid
    • Flatpak
    • Chocolatey
    • Windows
    • Mac
    • Linux
    • Homebrew
    Nextcloud Talk screenshot 1
    Nextcloud Talk screenshot 1
    Nextcloud Talk screenshot 2
    +5
    Nextcloud Talk screenshot 3
  5. Session icon
     Like

    Decentralized messenger with end-to-end encryption, no registration, no tracking, metadata protection, secure file sharing, and multi-device syncing.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • HUAWEI AppGallery
    • iPad
    • Snapcraft
    • Flathub
    • F-Droid
    Session screenshot 1
    Session screenshot 1
    Session screenshot 2
    +2
    Session screenshot 3
  6. Encrypted platform supporting private, identifier-free messaging, group conversations, file sharing, and audio/video calling, using a double-ratchet protocol.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Self-Hosted
    • Flathub
    • F-Droid
    • Flatpak
    • Android Tablet
    SimpleX Chat screenshot 1
    SimpleX Chat screenshot 1
    SimpleX Chat screenshot 2
    +5
    SimpleX Chat screenshot 3
  7. Snikket icon
     Like

    Snikket is an ambitious project to build a new kind of XMPP-based messaging platform.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Docker
    Snikket screenshot 1
    Snikket screenshot 1
    Snikket screenshot 2
    +1
    Snikket screenshot 3
  8. Instant messaging with text, voice, video calling, screen sharing, privacy controls, customizable permissions, moderation, bots, and open-source design.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Android Tablet
    • Rust
    • Flathub
    • F-Droid
    Stoat Chat screenshot 1
    User settings page, on "Appearance" tab
    Server view
    +3
    Home page of the app
  9. Wire icon
     Like

    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.

    Cost / License

    • Free Personal
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)
    • Flathub
    • Snapcraft
    Wire screenshot 1
    Wire screenshot 1
    Wire screenshot 2
    +2
    Wire screenshot 3
  10. Social Media

  11. Lemmy icon
     Like

    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...

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Self-Hosted
    Lemmy screenshot 1
    Lemmy screenshot 1
  12. 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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Android
    Loops by Pixelfed screenshot 1
    Loops by Pixelfed screenshot 1
    Loops by Pixelfed screenshot 2
    +1
    Loops by Pixelfed screenshot 3
  13. Mastodon icon
     Like

    Federated and open-source social network with no ads, 500-character limit, custom emojis, and content warnings, emphasizing privacy and personal interaction.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • F-Droid
    • Cloudron
    • Android Tablet
    Screenshot of the Mastodon web interface
    Social networking, back in your hands
    You're in control. You decide who you see in your home feed. No surprises.
    +6
    Build an audience. Connect with diverse folks across thousands of servers.
  14. Pixelfed icon
     Like

    Federated image sharing platform prioritizing privacy, safety, and user control, ad-free operation, no algorithms, open-source, and supports self-hosting.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • F-Droid
    • Cloudron
    Pixelfed screenshot 1
    Pixelfed screenshot 1
    Pixelfed screenshot 2
    +7
    Pixelfed screenshot 3
  15. Maps

  16. CoMaps icon
     Like

    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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Auto
    • F-Droid
    • Apple Car Play
    • Flathub
    • Flatpak
    • Linux
    CoMaps screenshot 1
    CoMaps screenshot 1
    CoMaps screenshot 2
    +3
    CoMaps screenshot 3
  17. 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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    Main website interface
    OpenStreetMap screenshot 1
    OpenStreetMap screenshot 2
  18. Privacy-focused GPS app with offline maps and community development, featuring real-time navigation, no location tracking, and open-source software.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • OpenStreetMap
    • Flathub
    • F-Droid
    Organic Maps screenshot 1
    Organic Maps screenshot 1
    Organic Maps screenshot 2
    +4
    Organic Maps screenshot 3
  19. OsmAnd icon
     Like

    Navigation app with offline and online OSM maps, turn-by-turn voice guidance, cycling and driving modes, GPX tracking, POI search, and monthly updates.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Auto
    • F-Droid
    • Apple Car Play
    OsmAnd screenshot 1
    OsmAnd screenshot 1
    OsmAnd screenshot 2
    +5
    OsmAnd screenshot 3
  20. Desktop Operating Systems

  21. CachyOS icon
     Like

    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...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    CachyOS screenshot 1
  22. 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...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    Welcome window
    Application menu
    KDE System Settings panel
  23. EU OS icon
     Like

    Community-led Proof-of-Concept for a common free Operating System for the EU public sector.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    EU OS screenshot 1
  24. KDE Linux icon
     Like

    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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • KDE Plasma
    KDE Linux screenshot 1
    KDE Linux screenshot 1
  25. Desktop-focused Linux system offering custom menus, multimedia codecs, browser plugins, native DVD playback, and integrated software manager with user-friendly tools.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    Linux Mint 22.2 "Zara"
    Linux Mint screenshot 1
    Linux Mint screenshot 2
    +4
    Linux Mint screenshot 3
  26. 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...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Arch Linux
    Manjaro 19.0 Kyria (Xfce)
    Manjaro 17.0 Gellivara (KDE)
    Manjaro 17.0 Gellivara (I3)
    +5
    Manjaro 17.0 Gellivara (I3)
  27. openSUSE icon
     Like

    openSUSE is a free and Linux-based operating system for your PC, Laptop or Server.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    GNOME desktop in openSUSE Leap 15.2.
    KDE Plasma desktop in openSUSE Leap 15.2.
    XFCE desktop in openSUSE Leap 15.2.
  28. Zorin OS icon
     Like

    Linux-based operating system with a customizable interface for Windows users, dual-boot support, WINE compatibility, pre-installed software, and easy setup.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Linux
    Windows 10 layout
    MacOS layout
    Compact panel layout
    +2
    New theme colours
  29. Productivity and Information-Management Tools

  30. Ark icon
     Like

    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).

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • KDE Plasma
    • Flathub
    • Snapcraft
    • Windows
    Ark screenshot 1
    Ark screenshot 1
  31. EUSurvey icon
     Like

    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.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Online
  32. 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.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Online
    • Self-Hosted
    Excalidraw screenshot 1
    Excalidraw screenshot 1
    Excalidraw screenshot 2
    +1
    Excalidraw screenshot 3
  33. JabRef icon
     Like

    Bibliography reference manager. The native file format used by JabRef is BibTeX, the standard LaTeX bibliography format.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Mozilla Firefox
    JabRef screenshot 1
  34. 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.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • PHP
    • Cloudron
    Dashboard
    Array Questions
    Multiple Options with Comments
    +6
    Masks: Date Questions
    • Simple design: No mass of options, only the essentials. Works well on mobile of course.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Self-Hosted
    Nextcloud Forms screenshot 1
  35. Open source software offering project timelines, issue tracking, and document management with robust security and flexible management options.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
    • Cloudron
    OpenProject screenshot 1
    OpenProject screenshot 1
    OpenProject screenshot 2
    +2
    OpenProject screenshot 3
  36. 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.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • Snapcraft
    • Flathub
    Export selection only. Export each selected page to a file. Export all pages to files.
    Edit properties
    Edit properties. Ubuntu.
    +4
    Crop selected pages
  37. PeaZip icon
     Like

    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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • BSD
    • Flathub
    • PortableApps.com
    PeaZip
    Archive creation
    Archive extraction
    +4
    PeaZip on macOS
  38. 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...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    ProjectLibre screenshot 1
    ProjectLibre screenshot 1
  39. Vikunja icon
     Like

    Think of Vikunja like the notebook you have with all your things to keep track of. But better.

    Cost / License

    • Free Personal
    • Open Source

    Platforms

    • Windows
    • Linux
    • Online
    • Android
    • Self-Hosted
    • Software as a Service (SaaS)
    • Cloudron
    Vikunja screenshot 1
    Vikunja screenshot 1
    Vikunja screenshot 2
    +3
    Vikunja screenshot 3
  40. Yakforms icon
     Like

    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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Self-Hosted
    Yakforms screenshot 1
    Yakforms screenshot 1
    Yakforms screenshot 2
    +1
    Yakforms screenshot 3
  41. Media Editors/Viewer

  42. Flameshot icon
     Like

    Open-source screenshot tool with cross-platform support, customizable interface, built-in editing, CLI access, and direct Imgur uploads.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Snapcraft
    Powerful, yet simple to use open-source screenshot software
    Free & open source screenshot software
    Highly customizable
    +4
    In-app screenshot editing
  43. Gwenview icon
     Like

    Fast image viewer with support for multiple formats, quick crop, rotate, lossless JPEG editing, drag-and-drop, thumbnail navigation, and slideshow mode.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Linux
    • KDE Plasma
    • Snapcraft
    • Flathub
    Gwenview screenshot 1
    Gwenview screenshot 1
    Gwenview screenshot 2
  44. Kdenlive icon
     Like

    Intuitive multi-track video editor with robust hardware-accelerated support; offers chroma key, color grading, and extensive audio/video format compatibility.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • KDE Plasma
    • Snapcraft
    • Flathub
    • Flatpak
    Logging
    Editing
    Audio
    +2
    Effects
  45. Krita icon
     Like

    A free, open-source painting program for professional artists offering customizable UI, 9 brush engines, layer support, and color management.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android Tablet
    • KDE Plasma
    • Epic Games Store
    • PortableApps.com
    • F-Droid
    • Steam
    • AppImage
    Main Window
    Startup page with news
    Brush editor
    +3
    Gamut Mask editor
  46. Comprehensive software providing screen recording and live streaming on Mac, Windows, and Linux with powerful encoding support and unlimited scenes.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Snapcraft
    • Flathub
    • PortableApps.com
    • Steam
    • FreeBSD
    OBS Studio screenshot 1
    OBS Studio screenshot 1
    OBS Studio screenshot 2
    +8
    OBS Studio screenshot 3
  47. PicView icon
     Like

    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.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Windows
    • Mac
    Minimalist dark theme
    An overview of the UI
    Change between dark or light theme and hide the UI
    +4
    View an image information window which will update as you browse through images. Set EXIF rating, optimize image and rename/move files.
  48. Cross-platform, free media player supports multimedia files, DVDs, streaming, offers hardware acceleration, 4K, lossless audio, and more.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • HUAWEI AppGallery
    • iPad
    • AppImageHub
    • Apple Watch
    • Snapcraft
    • Google Chrome
    • Apple TV
    • Flathub
    • PortableApps.com
    • F-Droid
    • Kindle Fire
    • Haiku
    • Android TV
    • Homebrew
    • Chocolatey
    VLC Media Player screenshot 1
    VLC Media Player screenshot 1
    VLC Media Player screenshot 2
    +4
    VLC Media Player screenshot 3
Page 2 of 3

*Loops and Pixelfed are Canadian, but they are the best FOSS alternatives to Instagram and Tiktok.

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