License
Projects released under the OSI-approved GPL-3.0 licence.
Real-time infrastructure monitoring with per-second metrics and alerts
Netdata is a self-hosted monitoring agent that collects per-second metrics from systems, containers, and applications, with built-in dashboards, alerts, and anomaly detection.
Free open-source Mac cleaner with app manager and monitor
Mole is a free, open-source cleaner for the Mac that pairs a 162-command terminal toolkit with a native app for junk cleanup, complete uninstallation, and system monitoring. It runs locally on macOS 13 and later, collects no tracking data, and has no account or paid tier.
Free open source screen capture and file sharing tool for Windows
ShareX is a free and open source screenshot, screen recording, and file sharing tool for Windows with annotation, OCR, and custom upload destinations.
Free open-source ERP for accounting, inventory, and sales
ERPNext is a free, open-source ERP system covering accounting, inventory, sales, purchasing, manufacturing, projects, and HR in one web application.
Cross-platform, fast, feature-rich, GPU-based terminal emulator
Kitty is a free, open source, GPU-based terminal emulator for Linux and macOS that combines fast rendering with tabs, windows, and multiple layouts in a single app.
Open-source bastion host for audited privileged access
JumpServer is an open-source bastion host for controlled privileged sessions, with browser-based access, centralized credential vaulting, and replayable session audit.
Your personal music streaming service
Navidrome is a self-hosted music server that streams a personal collection to phones and browsers through Subsonic-compatible apps.
Cross-platform SQL editor and database manager for MySQL, Postgres, SQLite, and more.
Beekeeper Studio is a desktop SQL editor and database manager for MySQL, Postgres, SQLite, SQL Server, and more, with the same app and features on Linux, Mac, and Windows. It pairs a syntax-highlighted query editor with autocomplete, saved queries, and run history alongside a spreadsheet-style table browser with inline cell editing, a visual table creator, and CSV, JSON, and SQL import and export. Connections support SSL encryption and SSH tunnels, and stored passwords are encrypted. The GPLv3-licensed Community Edition covers common databases; paid editions add drivers such as Oracle, Cassandra, MongoDB, and ClickHouse plus team workspaces that sync connections and queries across devices.
Open-source RAG assistant that turns docs into chatbots
MaxKB by FIT2CLOUD is an open-source, out-of-the-box RAG assistant that turns documents into a question-answering chatbot with AI workflows and agents. Teams ingest documents and online docs into knowledge bases, connect local or hosted language models, and publish assistants to websites or APIs from a Docker self-hosted deployment.
Open-source web analytics with 100% data ownership
Matomo is an open-source web analytics platform, formerly Piwik, that teams self-host to keep 100% ownership of their measurement data, with unsampled tracking in the free GPL core.
Private, fast, open-source Chromium browser without distractions
Helium is a free, open-source Chromium browser that blocks ads, trackers, and cookie banners by default, with a minimal customizable interface for macOS, Windows, and Linux.
Free open-source screen recorder for Chrome with annotation
Screenity is a free, open-source screen recorder for Chrome that captures tab, desktop, or camera with annotation tools and stores recordings locally with no time limits.
Open-source project management with Gantt charts and agile boards
OpenProject is a GPL-licensed, open-source project management platform for classic, agile, or hybrid teams, with Gantt scheduling, boards, issue tracking, and time reporting.
Free open-source cross-platform video editor
Shotcut is a free, open-source video editor for Windows, Mac, and Linux with native timeline editing, broad FFmpeg format support, and 4K output.
Real-time Node.js forum software for online communities
NodeBB is a self-hosted, GPL-3.0 community forum platform built on Node.js with real-time chat, notifications, and federated sharing.
Private encrypted notes across every device
Notesnook is an open-source, end-to-end encrypted note-taking app with notebooks, tags, and reminders that works offline across mobile, web, and desktop, syncing through its own cloud from a free tier.
Free open source two-factor authenticator for Android
Aegis Authenticator is a free Android app that keeps TOTP and HOTP two-factor tokens in an encrypted vault stored on the device.
Open source RAW workflow with a non-destructive darkroom
Darktable is a desktop photography workflow application that organizes digital negatives and develops RAW files without altering originals.
Open-source database for full-text, vector, and hybrid search
Manticore Search is an open-source database engine for full-text, vector, and hybrid search with real-time indexing and a SQL-first interface.
Free open-source macOS dictation with on-device AI cleanup
FluidVoice is a free macOS dictation app that transcribes speech on the machine and types polished text into any app, positioned as a local alternative to Wispr Flow.
Share files between devices in your browser.
PairDrop is a free, open-source web app that sends files and text directly between devices over the local network, with no account or setup needed.
Self-hosted notes that capture fast and grow with AI
Blinko is a self-hosted note workspace built around fast capture: short entries called Blinks can later grow into full notes, get polished or expanded with a connected AI model, and be published to a personal blog.
Encrypted email, calendar and contacts with open-source apps
Tuta is an end-to-end encrypted email service with calendar and contacts, offering open-source apps and hosted servers in Germany.
Disk cleaner that frees space and shreds leftover traces
BleachBit clears unneeded files from a Windows or Linux machine and wipes the traces left behind by browsers, installers, and everyday applications. One run covers cache, logs, temporary files, and cookies across thousands of supported programs.
Open-source crypto trading bot with automated strategies
OctoBot is an open-source crypto trading bot that automates TradingView, AI and technical strategies across spot and futures markets, self-hosted or in the cloud.
Free open-source video editor for Linux, Mac, and Windows
OpenShot is a free open-source video editor from OpenShot Studios for simple timeline edits with effects, titles, and color tools on Linux, Mac, and Windows.
Local voice dictation with AI cleanup for macOS
VoiceInk transcribes speech on the machine itself using a local Whisper model, then runs the raw transcript through a cleanup pass that removes filler and applies punctuation.
Self-hosted continuous localization with tight Git integration
Weblate is a self-hosted localization platform that syncs translations with Git repositories, also available as a hosted service.
Free open-source multi-track video editor
Kdenlive is a free open-source multi-track video editor from KDE for polished edits on Linux, Windows, macOS, and FreeBSD.
Private AI chat with zero-access encrypted history
Proton Lumo is a privacy-first AI chat assistant that stores conversations with zero-access encryption, keeps no logs, and never uses chats to train models.
Spreadsheet-like interface for Postgres data
Mathesar is an open-source, spreadsheet-like interface that works directly with PostgreSQL.
Self-hosted appointment scheduler for services and providers
Easy!Appointments is a self-hosted web app for booking service appointments with providers, working plans, and Google Calendar sync.
Free cross-platform raw photo processor with a 32-bit float engine
RawTherapee is a free, cross-platform raw photo processor that develops camera raw files non-destructively under GPLv3.
Self-hosted tracker for your media, fitness, and habits.
Ryot is a self-hosted tracker for movies, shows, books, music, games, workouts, and measurements, with imports, media-server integrations, and statistics.
Self-hosted open source budgeting and wealth planner
Financial Freedom is a self-hosted, open source personal finance planner for budgeting and building wealth while keeping data on your own server.
Open-source prototyping with built-in usability testing
Quant-UX is a free, open-source tool for building interactive prototypes, running usability tests with real users, and analyzing results with heatmaps.
Peer-to-peer encrypted team chat over Tor with no servers
Quiet is a peer-to-peer team chat app that syncs encrypted messages directly between member devices over Tor, with no central server.
End-to-end encrypted messaging and collaboration for enterprises
Wire is an end-to-end encrypted messaging and collaboration platform for enterprises and governments, with open-source clients and cloud or on-premises hosting.
Open-source infrastructure monitoring with distributed checks and alerting
Icinga is open-source infrastructure monitoring for servers, networks, and services, with distributed checks, alerts, and self-hosting under a GPL licence.
Offline open-source Kanban boards for Windows, macOS, and Linux
Kanri is a free, offline Kanban board app for Windows, macOS, and Linux that keeps boards and cards in local JSON files, with Trello import and full-workspace export.
Free open-source two-factor authenticator for iOS and Android
2FAS Auth is a free, open-source two-factor authenticator for iOS and Android that generates TOTP, HOTP, and Steam Guard codes.
Turn any song in your music library into karaoke
Nightingale is a free, open-source karaoke app that splits any song in a local music library into instrumental and vocal tracks and scores the singer.
Open-source tracker for TV shows and movies with Trakt sync
Showly is an open-source tracking app for TV shows and movies that manages watch progress, collections, and watchlists synced with a Trakt.tv account.
Privacy-focused Chromium browser with spaces, profiles, and extensions
Flow is a Chromium-based desktop browser that organizes tabs into spaces and profiles with a command palette and Chrome extension support.
Private offline time tracking for macOS and Windows
TimeScribe is a free, open-source time tracker for macOS and Windows that keeps every entry on the device with no account, cloud, or paywall.
Self-hosted open source chat server for mobile and web apps
SAMA is a self-hosted chat server that adds real-time messaging with group chats and push notifications to mobile and web apps over a WebSocket and HTTP API.
Run batch tasks on shared provider machines, or earn by sharing yours
Golem is a peer-to-peer network where requestors run batch tasks on machines shared by providers, paying per use in the GLM token. Tasks execute inside provider-hosted environments such as VM images, as a single task or as many parallel tasks spread across providers.