open-source

AirVPN

Italy

Italian OpenVPN/WireGuard VPN with remote port forwarding, Dynamic DNS, and open-source Eddie clients—strong for technical privacy use, not enterprise fleet VPN.

Codeberg

Germany

Non-profit German Git forge (Forgejo) for free/open-source projects, with Pages, Woodpecker CI, and Weblate—operated by Codeberg e.V. in Berlin.

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.

Insights

Austria

Austrian privacy-first hosted web analytics: page views and custom events without cookies or stored visitor IPs, with an MIT open-source JS client (backend uses Google Firebase).

Kolab Now

Switzerland

Swiss-hosted FOSS Kolab groupware from Apheleia IT AG: email, calendars, contacts, files and optional Collabora collab on operator infrastructure in Bern.

LibreOffice

Germany

Free open-source desktop office suite from The Document Foundation (Berlin): Writer, Calc, Impress, Draw, Base, and Math, with native ODF and strong OOXML interoperability.

Matomo by Stackhero

France

French PaaS-managed Matomo on dedicated bare-metal instances: unlimited sites until capacity, one-click updates, EU or US region choice, with hourly billing and an automatic DPA.

MetaGer

Germany

German nonprofit metasearch run by SUMA-EV in Hanover. Prepaid anonymous keys, AGPL source, and results mixed from third-party indexes.

Mullvad

Sweden

Swedish privacy VPN with numbered accounts (no email), GPL-3 clients, RAM-only relays, and repeated third-party security audits—built for anonymity over enterprise packaging.

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.

Organic Maps

Estonia

Estonian open-source offline maps and GPS navigation (Organic Maps OÜ): OpenStreetMap-based hiking, cycling, and driving guidance with no ads or tracking.

OsmAnd

Netherlands

Dutch open-source offline maps and multi-mode navigation app (OsmAnd B.V., Amstelveen) built on OpenStreetMap data for Android and iOS, with optional OsmAnd Cloud sync.

Pirsch Analytics

Germany

Cookie-free web analytics from Emvi Software GmbH in Germany: hash-based visitor IDs, open-source core, Hetzner-hosted SaaS with funnels, events, and agency white-label.

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.

Posteo

Germany

Independent Berlin email provider with self-operated German servers, data-minimising signup, open-standard clients, and layered optional encryption—not a free-tier ad network.

Proton VPN

Switzerland

Swiss Proton AG VPN with open-source clients, Securitum-audited no-logs infrastructure, Secure Core/Stealth, free unlimited-data tier, and Business SSO/SCIM packaging.

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.

Swetrix

United Kingdom

Cookieless, privacy-first web analytics from a UK company: traffic, funnels, errors, and performance on Hetzner in Germany, with AGPLv3 self-host Community Edition and optional Cloud session replays.

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.

Tuta

Germany

German end-to-end encrypted email, calendar, and contacts from Tutao GmbH in Hanover—with post-quantum TutaCrypt, open-source clients, and freemium personal plus business plans.

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.