📊 AnalyticsUS
OpenSearch
OpenSearch is a community-driven, Apache 2.0-licensed search and analytics suite that includes the OpenSearch engine and OpenSearch Dashboards. It is designed for full-text search, observability and log analytics, security analytics, and vector/AI retrieval workloads. The platform is production-ready and can be deployed on self-managed infrastructure using Docker, packages, and other installation methods.
open-sourceself-hostablesearch
🔐 Password ManagerLU
Passbolt
EU-based open-source password manager purpose-built for teams and DevOps workflows, with self-hosted and cloud options. Made in Luxembourg, Passbolt uses end-to-end encryption based on OpenPGP and offers a fully functional free Community Edition alongside paid business and enterprise tiers.
open-sourcepassword-managerencryption
🎮 Game Stores & LaunchersHU
Pegasus Frontend
Pegasus Frontend is a cross-platform graphical frontend for browsing game libraries and launching emulators from one place.
🎨 Design & GraphicsES
Penpot
Open-source design and prototyping platform for design and code collaboration. Developed by Kaleidos in Madrid, Spain, Penpot is the first open-source design tool that bridges the gap between designers and developers. Uses open standards (SVG, CSS, HTML) and can be self-hosted via Docker or Kubernetes.
open-sourcedesignprototyping
📦 OtherHU
Plees Tracker
Plees Tracker is a simple open-source sleep tracker app for Android.
🗄️ DatabasesOSS
PostgreSQL
Open-source object-relational database maintained by the PostgreSQL Global Development Group. The project adopted the PostgreSQL name in 1996 and is released under the PostgreSQL License.
open-sourcedatabaserelational-database
🛰️ GIS & GeospatialCH
QGIS
Free and open source Geographic Information System (GIS) that runs on Unix platforms, Windows, and macOS. Provides capabilities for viewing, editing, and analyzing spatial data with support for raster, vector, mesh, and point cloud formats. Developed since 2002, maintained by active international community and part of OSGeo foundation.
open-sourcegismapping
☁️ Cloud StorageSE
Syncthing
Syncthing is an open-source continuous file synchronization program for syncing files between two or more devices in real time.
file-syncprivacysecurity
🌐 BrowserUS
Tor Browser
Free and open-source browser focused on anonymity, developed by the US-based Tor Project. Uses the Tor network to route traffic through volunteer-run relays, protecting user identity and circumventing censorship. Ships with built-in privacy protections including tracker blocking, fingerprinting resistance, and multi-layer encryption.
open-sourcebrowserprivacy
🔐 Password ManagerES
Vaultwarden
Lightweight, community-driven Rust implementation of the Bitwarden server API, designed for self-hosting. Vaultwarden is fully open source under AGPL-3.0 and compatible with official Bitwarden clients, enabling secure password management with end-to-end encryption and full control over your data.
open-sourcepassword-managerself-hosted
✉️ Email ServicesGB
addy.io
addy.io is an open-source email aliasing and forwarding service for creating disposable addresses that forward to a real inbox.
✉️ Email ServicesDE
mailcow
Open-source mail server suite based on Docker, combining Postfix, Dovecot, Rspamd, SOGo, ClamAV and more. Provides web UI for mail management, calendar, contacts, spam filtering, DKIM/SPF/DMARC support, and optional managed hosting. Community edition released under GPL-3.0.
open-sourceemailmail-server
🏠 Smart HomeDE
openHAB
Open-source smart home platform for vendor-neutral automation, designed for self-hosted and local control setups.
open-sourcesmart-homehome-automation
🎙️ PodcastsOSS
AntennaPod
AntennaPod is a free, open-source podcast player for Android that lets users subscribe to any RSS feed, stream or download episodes, manage queues, change playback speed, automate downloads and deletions, and import or export subscriptions. It targets Android listeners who want an ad-free, privacy-respecting podcast app without vendor lock-in or a required cloud backend.
open-sourceprivacy-focusedad-free
📄 Office SuiteGB
Collabora Online
Enterprise-ready online office suite based on LibreOffice technology, developed by Collabora Ltd in Cambridge. Integrates seamlessly with Nextcloud, ownCloud and other platforms for browser-based collaborative editing of documents, spreadsheets and presentations.
open-sourceoffice-suitecloud
📄 Office SuiteFR
CryptPad
End-to-end encrypted collaborative office suite built by XWiki SAS in Paris. Documents, spreadsheets, presentations, kanban boards and polls are all encrypted in the browser before reaching the server, but trust still depends on the chosen instance serving untampered client code and secure link-sharing practices.
open-sourceoffice-suiteencryption
📝 Note-TakingDE
HedgeDoc
Open-source, web-based, self-hosted, collaborative markdown editor formerly known as CodiMD (fork of HackMD). Real-time collaboration on notes, graphs and presentations. Low system requirements, runs on Raspberry Pi. Supports revisions, permissions, and various authentication methods.
open-sourcemarkdowneditor
🎞️ Video EditingDE
Kdenlive
Free and open-source video editing software developed by KDE, a German non-profit organization. Based on MLT Framework and KDE Frameworks, it offers professional-grade features including multi-track editing, keyframe animation, proxy editing, and support for a wide range of formats via FFmpeg. Available on Linux, Windows, macOS, and FreeBSD.
open-sourcevideo-editingfoss
📱 Mobile Operating SystemsUS
LineageOS
Community-driven aftermarket Android distribution focused on privacy, security updates, and device longevity. LineageOS ships monthly security patches for supported devices and supports hardware from more than 20 manufacturers through an open-source contributor ecosystem.
open-sourcemobile-osandroid
🛡️ Privacy ToolsNL
OPNsense
OPNsense is a Dutch, open-source, FreeBSD-based firewall and routing platform for homes, labs, businesses and network operators. It provides stateful firewalling, multi-WAN, VPN support, intrusion prevention, DNS-related services, reporting, hardware failover and a web-based management interface, with a free Community Edition and paid Business Edition/support options.
open-sourceself-hostedfirewall
🛒 E-CommercePL
Saleor
Polish-built, GraphQL-first headless commerce platform designed for composable, API-driven storefronts. With 21,000+ GitHub stars and a BSD-3-Clause license, Saleor is ideal for developers who need full flexibility and modern stack integration.
open-sourceecommerceshopify
📋 Project ManagementES
Taiga
Open-source agile project management platform from Madrid for Scrum and Kanban teams. Taiga uses a split licensing approach: backend under MPL 2.0 and frontend under AGPLv3.
open-sourceproject-managementjira
🏢 Cloud & HostingUS
Talos Linux
Secure, immutable, and minimal Linux distribution designed specifically for Kubernetes. All system management is done via API - no SSH or interactive console. Production-ready and supported by Sidero Labs. A Certified Kubernetes distribution.
open-sourcekuberneteslinux-distribution
🌍 DNS ServicesIN
Technitium DNS Server
Technitium DNS Server is a free, self-hosted DNS server for home networks, labs, and organizations. It combines authoritative and recursive DNS with a browser-based admin console, DNS-over-TLS/HTTPS/QUIC support, blocklists, DHCP, clustering, an HTTP API, and cross-platform deployment on Windows, Linux, macOS, Raspberry Pi, and Docker.
open-sourceself-hosteddns-server