Free & Open Source Software
Showing 162 projects
Grafana
Open-source analytics and monitoring platform
Cube.js
Open-source headless BI platform
CheckMK
Comprehensive IT monitoring solution
Dragonfly
Modern in-memory datastore
GDevelop
Open-source game engine
Hanko
Secure, scalable, and customizable authentication solution for developers.
Cerbos
Open-source authorization solution
Budibase
Low-code platform for building internal tools
Ghost
Professional publishing platform
Chatwoot
Open-source customer engagement platform
Collabora Online
LibreOffice-based online office suite
ERPNext
Open-source ERP system
Ente
End-to-end encrypted photo storage
Deepset Haystack
LLM orchestration framework
Cal.com
Open-source Calendly alternative
DBeaver
Universal database tool
Appwrite
Open-source backend server
Corteza
Open-source low-code platform and Salesforce alternative
Discourse
Modern forum and community platform
Element
Secure collaboration and messaging
Crowd.dev
Open-source community and customer data platform
ArmorPaint
3D PBR texture painting software
Authentik
Open-source Identity Provider
Blender
Free and open source 3D creation suite
ArangoDB
Multi-model database
Dub
Open-source link management platform
ClickHouse
Fast open-source OLAP database
Graylog
Open-source platform for centralized log management.
Mastodon
Free, open-source decentralized social media platform
CrowdSec
Collaborative cybersecurity solution
Home Assistant Core
Open home automation platform
Argos CI
Visual testing platform
Dgraph
Native GraphQL graph database
Erxes
Open-source growth marketing platform
HeidiSQL
Manage multiple databases with ease.
Firezone
Self-hosted VPN server
Dolibarr
Modern open-source ERP and CRM software
ApostropheCMS
Content management for Node.js
Coolify
Self-hostable Heroku/Netlify alternative
Flagsmith
Open-source feature flag platform
Apache NiFi
Automate data flow between systems
Headscale
Open-source, self-hosted Tailscale control server.
Authelia
Single sign-on and two-factor authentication portal
Appsmith
Open-source low-code platform
Ever Gauzy
Open-source business management platform
Exoframe
Self-hosted deployment tool
Directus
Open data platform for managing content
Airbyte
Open-source data integration platform
Darktable
Open-source photography workflow and RAW developer
Friendica
Decentralized social network platform
Grist
A modern, open-source spreadsheet-database hybrid.
Dagster
Data orchestration platform
GrowthBook
Open-source feature flagging and A/B testing platform.
Apache APISIX
Cloud-native API gateway
Gitea
Self-hosted Git service
Filestash
Universal file manager
ClearFlask
Product feedback and roadmap tool
Brave Browser
Privacy-focused web browser
CiviCRM
Open-source CRM for nonprofits
HedgeDoc
Web-based, self-hosted, real-time markdown editor.
WordPress
Free CMS to create beautiful website and blog
Gatus
Automated service health dashboard
Ceph
Distributed storage system
Godot
Open-source game engine
BookStack
Simple self-hosted wiki platform
BigBlueButton
Open-source web conferencing system
Fider
Platform for feedback and feature requests
Flipt
Enterprise-ready feature flag solution
Drone
Container-native CI/CD platform
Firefly III
Personal finance manager
EspoCRM
Open-source CRM for building customer loyalty
ClamAV
Open-source antivirus engine
File Browser
Web-based file manager
Greenshot
Light-weight screenshot software for Windows.
Dokku
Docker-powered mini-Heroku
Docusaurus
Documentation website generator
CloudQuery
Open-source cloud asset inventory
Etherpad
Real-time collaborative document editor
BoxyHQ
Open-source security building blocks
Ghidra
Software reverse engineering framework
CryptPad
Encrypted collaboration suite
Builder.io
AI-powered visual development platform
Beekeeper Studio
Modern SQL editor and database manager
Cortex
Horizontally scalable Prometheus
AFFiNE
Open-source alternative to Notion and Miro
Audacity
Free open source audio editor and recorder
Ant Media Server
Scalable live video streaming server
Cryptomator
Client-side encryption for cloud files
ClassQuiz
Interactive quiz platform for education
FileCentipede
Universal file upload/download manager
AVideo
Create your own video streaming platform
Anki
Powerful intelligent flashcard program
CKAN
Open-source data portal platform
FreeTube
Privacy-focused YouTube client
Freeplane
Free mind mapping software
Cinny
Matrix client for desktop and web
GoatCounter
Privacy-friendly web analytics
FeatBit
Open-source feature flag service
Dyrectorio
Release management platform
Audiobookshelf
Self-hosted audiobook and podcast server
Flax Engine
Multi-platform game engine
Aptabase
Open-source privacy-first analytics
Fusio
Open-source API management platform
Akaunting
Free accounting software for small businesses
Apache Guacamole
Clientless remote desktop gateway
Flarum
Modern forum software
CoyIM
Secure chat client for XMPP
Berty
Secure peer-to-peer messaging app
Bagisto
Free open-source Laravel eCommerce platform
Gogs
Painless self-hosted Git service
Draw.io
Free online diagram software
DokuWiki
Simple to use wiki software
Ballerine
Open-source infrastructure for user identity and risk management
BleachBit
System cleaner and privacy tool
Ackee
Self-hosted analytics tool for those who care about privacy
Concrete CMS
Content management system
Buildbot
Python-based continuous integration framework
AppFlowy
Open-source alternative to Notion
CapRover
Free automated scalable PaaS
Automatisch
Open-source Zapier alternative
Briefing
Modern video conferencing solution
Cachet
Open-source status page system
Fief
Open-source authentication platform
Bangle.io
Local-first note-taking app
Dendron
Open-source local-first knowledge management
Astuto
Self-hosted customer feedback tool
GoAccess
Real-time web log analyzer
Automa
Browser automation extension
Fritzing
Electronics design automation software
Flowchart.fun
Generate flowcharts from text
ActivityWatch
The best free and open-source automated time tracker
Chaskiq
Open-source messaging platform for customer engagement
Bundle.js
Online JavaScript bundler and package size analyzer
AuthPass
Password manager for mobile and desktop
Appbase
Search UI components for Elasticsearch
Aegis
Free and secure 2FA app for Android
FileGator
Powerful multi-user file manager
Boost Note
Open-source markdown editor for developers
Buttercup
Free cross-platform password manager
Clipperz
Zero-knowledge online password manager
SendPortal
Free Open-source self-hosted email marketing application
BoxBilling
Automated billing and client management
Featurebase
Product feedback and roadmap platform
Cabal Desktop
P2P community chat platform
Fathom Analytics
Privacy-first website analytics
Glimesh
Community-built live streaming platform
ActiveWorkflow
Open source workflow automation platform
Helpy
Open source helpdesk software for secure, multi-channel support.
Atom
Hackable text editor for the 21st century
Curiefense
Cloud-native application security platform
Grouparoo
Syncs data between your warehouse and cloud tools.
Baserow
Open-source no-code database
Bitwarden
Open-source password manager
ClickVote
Simple voting and polling tool
Cloudogu Ecosystem
Self-hosted DevOps platform
Codeberg
Free alternative to GitHub
Commento
Lightweight comment platform
Countly
Product analytics platform
GIMP
GNU Image Manipulation Program
GitLab
Complete DevOps platform
GoToSocial
Lightweight ActivityPub server
GrapheneOS
Privacy and security focused mobile OS