Open Source Web Apps from the EU

Free open-source tool offers secure, end-to-end encrypted file and message sharing over local networks across major desktop and mobile operating systems.

Media center supporting movies, series, YouTube, and smartTV casting via DLNA/Chromecast. Offers HD, subtitles, add-ons, with no registration needed. Notice of new episodes.

Discover and install FOSS Android apps with ease. Privacy-focused, ad-free, and no registration required, F-Droid offers a lightweight alternative.

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

Open-source suite for editing documents, spreadsheets, presentations, forms, and PDF files with co-editing modes, plugin support, AI assistant, and integration across 40+ platforms.

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

Free multi-platform software for task management, time tracking, and personal project management. Seamless integration with Jira, GitHub, and GitLab.

PeerTube is a free, decentralized and federated video platform developed as an alternative to other platforms that centralize our data and attention, such as YouTube, Dailymotion or Vimeo. But one organization hosting PeerTube alone may not have enough money to pay for bandwidth...

Penpot is the open-source design platform for teams that design, build, and scale digital products.

End-to-end encrypted app for email, calendar, and contacts, requiring no personal data, with open source code and quantum-resistant security.

Filen is a cutting-edge cloud storage provider that offers client-side, end-to-end, zero-knowledge encryption. Headquartered and operated entirely in Germany, Filen is at the forefront of combining comprehensive features with uncompromising privacy and security.

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

A portable, fast, and lightweight emulator frontend supporting classic and modern gaming systems with features like real-time rewinding and shader support.

A free Git source code hosting service with the objective to give the open-source code that is running our world a safe and friendly home, and to ensure that code remains free and secure forever.

Lutris is an open source gaming platform for GNU/Linux. It allows you to gather and manage (install, configure and launch) all your games acquired from any source, in a single interface.

Multi-purpose web utilities for color conversion, image editing, typography, calculators, and QR code creation, with no login, registration, or intrusive ads.

"Terms of Service; Didn't Read" (short: ToS;DR) is a project started in June 2012 to help fix the "biggest lie on the web": almost no one really reads the terms of service we agree to all the time.

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

Open-source, self-hosted tool that extracts articles, offers offline mobile reading, powerful filters, migration from other services, and multiple download formats.

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.

AliasVault is an open-source password manager with built-in email aliases that helps protect your privacy by creating a unique digital identity for every website you use.

Open-source web maps platform featuring place search, street photos, and route planning for walking, cycling, public transit, and car-sharing. Hosted in France, privacy-focused.

Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.

Open-source, self-hosted streaming platform supports Android, iOS, podcasts, uploads, sharing, no ads or tracking, federated across decentralized instances.