🛒 E-CommerceDE
Shopware
German open-source e-commerce platform built on Symfony and Vue.js. Shopware 6 Community Edition is MIT-licensed, while commercial plans add SaaS and enterprise features; contributors sign a CLA that grants shopware AG explicit rights to contributed code.
partly-open-sourceecommercehosting
🎨 Design & GraphicsFR
Silex
Silex is a free/libre visual website builder for creating static sites with dynamic data and exporting standard HTML/CSS.
no-codewebsite-builderstatic-site
📝 Note-TakingPL
SilverBullet
SilverBullet is a self-hosted, open-source, browser-based note-taking system built on Markdown files with integrated Lua scripting.
self-hostedmarkdownknowledge-management
✉️ Email ServicesSE
Spamdrain
Spamdrain is a web-based anti-spam email filtering service that blocks junk mail, phishing, spam, and email-borne viruses before they reach the inbox.
spamemail-security
🧑💻 Version Control ServicesFI
Tangled
Tangled is a decentralized Git hosting and code collaboration platform.
📋 Project ManagementDE
Vikunja
Open-source, self-hostable task management app from Germany — a privacy-respecting alternative to Todoist, Trello, and ClickUp. Vikunja supports lists, Kanban boards, Gantt charts, CalDAV sync, reminders, and team collaboration, all under the AGPL license.
open-sourceproject-managementprivacy
👥 Social MediaUS
Weasyl
Weasyl is a social art gallery and community site for artists, writers, musicians, and fans to share creative work.
artcommunitygallery
📦 OtherSE
Whisper Web
Whisper Web is a free, open-source web application that transcribes audio files locally in the browser, with WebGPU or CPU processing and models optimized for languages including Swedish and Norwegian.
transcriptionspeech-to-textbrowser-based
💬 MessagingCH
Wire
Wire is an end-to-end encrypted messaging and collaboration platform for organizations with chat, calls, conferencing, and file sharing.
secure-messagingend-to-end-encryptionteam-chat
🛍️ App StoresOSS
Zapstore
Open-source app distribution platform powered by Nostr. Developers can publish signed releases directly to users, and users can support developers with Lightning Network payments (zaps). The project is MIT-licensed and built with Flutter.
open-sourceapp-storeandroid
🔍 Search EngineOSS
degoog
degoog is a self-hostable search aggregator that queries multiple search engines and supports custom engines, plugins, themes, and transports.
self-hostedsearch
📅 SchedulingOSS
Crab Fit
Crab Fit is a free scheduling tool for groups that need to find a shared time for events. Users create an event, share a link, collect everyone’s availability on a visual grid, and pick the best time from a live heatmap. It is aimed at friends, communities, and coworkers, and offers an open-source codebase with documented self-hosting options.
open-sourceschedulingavailability-poll
☁️ Cloud StorageES
Internxt
Spanish open-source cloud storage with zero-knowledge AES-256 and post-quantum Kyber-512 encryption. Internxt offers Drive, Send, and VPN services, with both client and server code published under AGPL-3.0. Independently audited by Securitum and winner of the Spanish Data Protection Agency Award.
open-sourcecloud-storageencryption
🔒 VPNSE
Mullvad VPN
Swedish privacy-first VPN with a unique account-number-only system — no email, no name, no personal data required. Charges a flat EUR 5/month with no upsells, long-term lock-ins, or discount gimmicks, and has kept the same price since 2009.
partly-open-sourcevpnprivacy
🔒 VPNCH
NymVPN
NymVPN is a Switzerland-based privacy VPN that routes traffic through Nym’s decentralized network with multi-hop design, aiming to reduce metadata leakage and tracking. It offers consumer apps and paid plans for users who want stronger privacy properties than conventional centralized VPN services.
open-sourceprivacy-focuseddecentralized
🏢 Cloud & HostingFR
OVHcloud
Europe's largest cloud provider, operating 40+ data centers worldwide with a strong open-cloud philosophy built on OpenStack. OVHcloud offers public and private cloud, bare-metal servers, and managed Kubernetes with no egress fees.
proprietaryhostingcloud
🤖 Large Language ModelsUS
Ollama
US-based but fully open-source (MIT) local-first runtime for running large language models on your own hardware. Ollama can run fully offline and also provides optional cloud models and paid plans when you need bigger remote capacity. Note: Ollama is headquartered in the US but included here for its open-source nature and strong local execution path.
open-sourceai-mlcloud
✉️ Email ServicesDE
Posteo
Independent, ad-free email provider from Berlin running entirely on green energy from Green Planet Energy. At just 1 EUR per month with no free tier, Posteo forgoes venture capital and tracking, stores all data on AES-encrypted servers in Germany, and supports DANE/TLSA for hardened transport encryption.
partly-open-sourceemailencryption
🖥️ VirtualizationOSS
RustDesk
RustDesk is an open-source remote desktop and remote support tool for Windows, macOS, Linux, Android, iOS, and web. It lets individuals, IT administrators, and support teams connect to remote devices through RustDesk public servers or their own self-hosted RustDesk Server OSS infrastructure, with cross-platform access and end-to-end encrypted peer-to-peer connections.
open-sourceself-hostedremote-desktop
📦 OtherUS
Wave Terminal
Open-source, AI-native terminal for macOS, Linux, and Windows. Built by Command Line Inc in San Francisco. Features include durable SSH sessions, file previews, inline web browser, and AI integration with support for OpenAI, Claude, Gemini, and local models via Ollama.
open-sourceterminaldeveloper-tools
💳 PaymentsNL
WhyDonate
WhyDonate is an online fundraising and donation-based crowdfunding platform for individuals, charities, and nonprofit organizations.
fundraisingcrowdfundingdonations
✉️ Email ServicesLU
dmarced
dmarced is a DMARC monitoring platform for managing email security and deliverability.
apigdprdmarc
🌍 DNS ServicesDE
dnsforge.de
dnsforge.de is a public DNS resolver with encrypted DNS options and filtering for ads, trackers, malware, and other optional block categories.
dnsprivacydnssec
✉️ Email ServicesDE
mailbox.org
Privacy-focused email and productivity suite from Berlin, built on open-source software by the Linux specialists at Heinlein Support. Starting at 1 EUR per month, it offers DSGVO-compliant email, calendar, cloud storage, video conferencing, and document editing — all hosted exclusively on servers in Germany.
proprietaryemailprivacy