self-hosted

Bugsink

Netherlands

Dutch error tracker with Sentry SDK compatibility—self-host lightly or use EU-hosted SaaS, built for teams that want stacktrace debugging without a heavyweight observability suite.

Forgejo

Germany

Self-hosted lightweight Free Software forge (Git, issues, packages, Actions CI) under Codeberg e.V.—distinct from Codeberg.org hosting.

Friendly Analytics

Switzerland

Swiss Matomo-as-a-Service: cookieless-by-default web analytics with heatmaps, funnels, and ecommerce, product data hosted in Switzerland, plus enterprise DPA and on-prem options.

Nextcloud

Germany

Open-source, self-hosted content collaboration Hub from Nextcloud GmbH (Germany): Files, Talk, Groupware, Office, local AI Assistant, and Flow—an on-prem alternative to Microsoft 365-style suites.

Offen Fair Web Analytics

Germany

Open-source, self-hosted web analytics with opt-in consent, browser-side end-to-end encryption, and a shared Auditorium so visitors can see and control their own usage data.

Plausible Analytics

Estonia

Estonian open-source, cookieless web analytics (AGPLv3): lightweight script, EU-owned hosting on Hetzner/UpCloud/Bunny, managed Cloud plus self-hosted Community Edition.

Seafile

Germany

Open-source library-based file sync and share (self-host CE/Pro or Plus Cloud). Product company is China/Singapore-linked with European distributors—not a German HQ.

Syncthing

Sweden

Swedish open-source continuous file sync: encrypted peer-to-peer folders between your devices, with no mandatory central cloud store for file contents.

Wire

Switzerland

Swiss open-source secure messenger from Wire Swiss GmbH: always-on E2EE messaging, calls, and files (MLS), cloud or on-premises, for regulated teams and public sector.