All European SaaS

Mastodon is a decentralized, federated social network built on open-source software with no ads or tracking. Users can join existing servers or self-host their own instance, enjoying 500-character posts, content warnings, and robust moderation tools.

Localsend

Infrastructure & Cloud

EU Based

LocalSend enables encrypted peer-to-peer file and message transfers across Windows, macOS, Linux, Android, and iOS over a local network. No internet, cloud, or registration needed — fully open-source and privacy-focused.

nextcloud

Infrastructure & Cloud

EU Based

Nextcloud is a self-hosted, open-source platform for file sync, sharing, and collaboration. It provides secure on-premises storage with features like video calling, groupware, and end-to-end encryption, giving organizations full control over their data.

Peertube

Video Conferencing

EU Based

PeerTube is a decentralized, federated video hosting platform that uses peer-to-peer technology to reduce server load. It lets anyone self-host their own video platform and connect it to other instances via ActivityPub.

Self-hosted, decentralized music and podcast streaming platform. Users can upload, share, and browse audio by artist, album or genre, with no ads or tracking. Supports ActivityPub federation and works across web, Android, and iOS.

Matrix is an open standard protocol for decentralized, encrypted real-time communication supporting instant messaging, VoIP, and IoT. It federates across independently hosted servers with no central control, and bridges multiple chat platforms.

Proton

Cybersecurity

EU Mentions

Proton Pass is an open-source, end-to-end encrypted password manager built by the team behind ProtonMail. It supports two-factor authentication, email aliases, passkeys, and syncs securely across all major platforms and browsers.

Disroot is a Netherlands-based platform offering a suite of privacy-respecting online services including email, cloud storage, and collaboration tools. Built on free and open-source software, it emphasizes decentralization, federation, and user freedom with no ads or tracking.

Send

Infrastructure & Cloud

EU Based

Send is an open-source, self-hostable file sharing tool offering end-to-end encryption and auto-expiring links. Files up to 2.5GB can be shared without registration, ensuring privacy and temporary availability. Forked from Mozilla's Firefox Send.

LibreSpeed is a lightweight, self-hosted internet speed test built with JavaScript. It measures download, upload, ping, and jitter without requiring Flash or Java. Fully open source, privacy-focused, and supports multiple servers, Docker, and mobile devices.

Redmine

Project Management

EU Based

Redmine is an open-source, self-hosted project management tool built on Ruby on Rails. It supports issue tracking, Gantt charts, wikis, multi-project management, and integrates with version control systems.

Liberapay

E-commerce

EU Based

Liberapay enables recurring donations to creators and open-source projects with zero platform commission. As a non-profit, it supports multiple currencies and languages, making it accessible for international users.

Apertus

Developer Tools

EU Mentions

Apertus is a fully open-source multilingual large language model trained on 15 trillion tokens across 1,000+ languages, including underrepresented ones like Romansh and Swiss German. It can be self-hosted or accessed online, with 8B and 70B parameter variants available on Hugging Face.

Euria is a privacy-first AI assistant by Infomaniak, hosted in Switzerland, offering chat, writing assistance, text summarization, voice transcription, email drafting, and document search. It uses open-source AI models and complies with GDPR and Swiss FADP data protection standards.

Openhab

Infrastructure & Cloud

EU Based

openHAB is an open-source, Java-based home automation platform that unifies hundreds of smart home systems and protocols into a single solution. It supports Z-Wave, ZigBee, KNX, MQTT, and integrates with Alexa, Google Home, and IFTTT without vendor lock-in.

Piwigo is an open-source web-based photo gallery platform for managing and sharing image collections. It supports albums, tags, watermarking, multiple image sizes, and integrates with tools like Lightroom and digiKam. Available as self-hosted or cloud-hosted.

Ajaxplorer

Infrastructure & Cloud

EU Based

Pydio is an open-source, self-hosted file sharing and sync platform for enterprises. It offers secure cloud storage on your own servers with web and mobile apps, connecting to existing directories and storage without data migration.

miniPaint is a browser-based image editor built with HTML5 and JavaScript. It lets users edit photos, draw, apply effects, and work with layers directly online without any installation. An Electron desktop version is also available.

Particify is an open-source audience engagement platform for educators and trainers. It supports live polls, quizzes, Q&A sessions, word clouds, and surveys with no participant limits. Built on ARSnova, it is GDPR-compliant and self-hostable.

Marginalia Search

Site Search

EU Based

Marginalia Search is an open source web search engine that crawls the internet with a focus on independent, personal, and non-commercial websites. It helps users discover small blogs and obscure content not easily found via mainstream search engines. Available as a white-label deployment or public search tool.

Microstudio

Developer Tools

EU Based

microStudio is a free, open-source online game engine for creating 2D games in the browser. It supports microScript, JavaScript, Python, and Lua, with built-in sprite and map editors, real-time collaboration, and one-click export to HTML5, Windows, Linux, and macOS.

Twake Drive is an open-source, self-hostable cloud storage platform built for secure enterprise file management and collaboration. It offers end-to-end encryption, real-time co-editing via OnlyOffice, and GDPR-compliant hosting with full data sovereignty.

Converter Now

Developer Tools

EU Based

Converter NOW is a free, open-source unit converter app with real-time conversions, a built-in calculator, and daily currency exchange updates. It supports multiple platforms including Android, Windows, Linux, and web, with no ads or tracking.

Kimai

Project Management

EU Based

Kimai is an open-source time tracking tool that records work hours and generates summaries by customer, project, or activity. It supports invoicing, reporting, multi-user teams, and can be self-hosted or used via cloud subscription.