353 free open-source alternatives to proprietary software.
Self-hosted Node.js analytics with a beautiful dashboard
An issue tracking tool based on laravel+reactjs for small and medium-sized enterprises, open-source and free, similar...
Automatic time tracking and productivity analysis
DNS-based ad and tracker blocker
Open source LangGraph Platform alternative - Self-hosted AI agent backend with FastAPI and PostgreSQL.
Modern terminal-based email client for efficient workflows
Ship your code, on autopilot. An open source agent that lives on your machines 24/7 and keeps your apps running. 🦀
Alchemy is the Open Source Rails CMS framework for the component based web that can be used as classic server side re...
Web-based audio and video streaming solution
Ant Media Server — Ultra-low latency streaming engine with WebRTC (~0.5s), SRT, RTMP, HLS, CMAF, adaptive bitrate, tr...
All-in-one desktop app for local and cloud-based LLMs
Proven free office suite by the Apache Software Foundation
A full-featured, open-source content management framework built with Node.js that empowers organizations by combining...
Open-source alternative to Notion with AI integration
Backend server for web, mobile, and Flutter developers
AI Productivity Tool - Free and open source, improve user productivity, and protect privacy and data security.
Professional digital audio workstation
The web framework for content-driven websites
Astroplate is a free starter template built with Astro, TailwindCSS & TypeScript providing everything you need to jum...
An open source headless CMS / real-time database.
The classic tool for audio recording and editing
AudioMuse-AI is an Open Source Dockerized environment that brings automatic playlist generation to Jellyfin, Navidrom...
Open source Auth0/Clerk/Firebase alternative.
The open source Zapier alternative. Build workflow automation without spending time and money.
Enterprise backup solution for networks
Lean CalDAV and CardDAV server with web interface
Bareos is a cross-network Open Source backup solution (licensed under AGPLv3) which preserves, archives, and recovers...
Open-source no-code database platform
🐝 开源记账App，支持iCloud/自建服务器同步(Supabase/WebDAV/S3)，AI智能记账 | Open-source finance tracker with iCloud & self-hosted sync (S...
Virtual classrooms and online seminars
The standard DNS server on the internet
An open-source, self-hosted personal AI note tool prioritizing privacy, built using TypeScript .
Simple and well-organized knowledge management
Deduplicating backup with compression and encryption
Fast browser with built-in ad and tracking protection
Secure messenger for activists and journalists with Tor support
🔒 Enterprise-grade API gateway that helps you monitor and impose cost or rate limits per API key.
Open source and self-hostable browser automation library for AI agents
Low-code platform for internal business applications
Specialized tool for building OCI container images
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
An open-source AI-first Identity and Access Management (IAM) /AI MCP gateway and auth server with web UI supporting M...
Distributed storage for block, object, and file systems
CheckCle is a self-hosted, open-source monitoring platform for seamless, real-time full-stack systems, applications, ...
German enterprise monitoring with comprehensive auto-discovery
Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container image...
The open-source browser that Google Chrome is built upon
Distributed SQL database with global consistency
Open-source and local-first Slack and Notion alternative that puts you in control of your data
LibreOffice in the browser for collaborative work
Pipeline-based CI/CD system with declarative configuration
An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, ...
The Frontend for Agents & Generative UI. React + Angular
Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis.
Create/Sell courses and digital downloads and publish blogs on your own branded website.
Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing fu...
Collaborative open-source security through crowd intelligence
End-to-end encrypted office suite for collaborative work
An open-source knowledge management app.
Virtual lighttable and RAW developer
Hollywood standard for editing, color, and audio
The universal operating system – stable, free, and reliable
Privacy-oriented decentralized social network
Open-source, low-latency key/value engine built on Valkey with hierarchical storage tiers.
Open data platform for any SQL database
The open-source container engine behind Docker
The Open Source DocuSign Alternative.
Intelligent document management for teams
Open Source Alternative to Vercel, Netlify and Heroku.
Modular ERP and CRM for small businesses
Container-native CI/CD platform with YAML pipelines
Cloud backup with web interface
Local-first, open-source AI assistant for your data.
Established IDE for Java and beyond
Decentralized messenger with end-to-end encryption based on Matrix
Simple and flexible static site generator
Open source framework for building robust type-safe distributed systems with declarative infrastructure
A terminal-centric Arch Linux for everyone
End-to-end encrypted photo storage and backup
Complete ERP system for small and medium-sized businesses
Flexible CRM with a modern web interface
End-to-end encrypted calendar and contact synchronization
Open-source engine for chat 💬, AI assistants 🤖 & wallets 🪪.
Evidently is an open-source ML and LLM observability framework.
Complete groupware solution with email, calendar, and contacts
Automatic protection against brute-force attacks
Lightweight KDE browser with QtWebEngine
Minimalist web analytics with a focus on privacy
Innovative Linux operating system with cutting-edge software
The independent open-source browser by Mozilla
Modern Open Source Flat Files Content Management System.
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
Community-driven Git hosting platform
Powerful Unix operating system with outstanding network performance
Decentralized social network with broad protocol support
Decentralized music streaming platform on the Fediverse
Lightweight S3-compatible distributed storage
Automated health checks with a configurable status page
Lean and modern email client for GNOME
A self-hosted, privacy-first location tracking platform.
Modern publishing platform for professional content
⭐️ The Open-Source Polyglot Observability Warehouse: Light, Fast, Cloud Native, Drop-in Grafana LGTMP alternative :ro...
The free image editing program
Painless self-hosted Git service
Complete DevOps platform as open source
Elegant GNOME browser with WebKit engine
Continuous delivery server with visual pipeline modeling
Simplest self-hosted Git service
GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to con...
An operator for Grafana that installs and manages Grafana instances, Dashboards and Datasources through Kubernetes/Op...
The leading open-source dashboard for monitoring and observability
Graft is an open-source transactional storage engine optimized for lazy, partial, and strongly consistent replication...
The open-source Observability 2.0 database. One engine for metrics, logs, and traces — replacing Prometheus, Loki & ES.
Self-hosted coordination server for Tailscale networks
Collaborative real-time Markdown editing
🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓
Post-modern terminal editor written in Rust
Open-source Claude Code GUI — like Claude Cowork.
An AI-powered next-generation open source real-time observability system.
highlight.io: The open source, full-stack monitoring platform.
The leading library for pre-trained AI models
The world's fastest static site generator
Resolve production issues, fast.
Flexible open-source monitoring with cluster support
Free Open Source ERP CRM Software Accounting Invoicing | Node Js React
Self-hosted photo and video management with mobile app
Specialized time-series database for metrics and events
Professional open-source vector graphics editor
Community edition of the leading Java IDE
Professional open-source mail server with enterprise features
The world's first open-source multimodal creative assistant This is a substitute for Canva and Manus that prioritize...
Decentralized peer-to-peer messenger without central servers
Offline-capable desktop app for local AI usage
The classic among static site generators
The free media server for movies, TV shows, and music
The most established open-source automation server
Secure video conferencing directly in the browser
Secure open-source notes with end-to-end encryption
Lightweight Kubernetes distribution for edge and IoT
Minimalist Kanban project management
🎯 All you need. Nothing you don't. Open source project management that works for you, not against you.
Professional open-source video editor
Cross-platform offline password manager with KDBX database
Open-source time tracking for teams and freelancers
Powerful email client for the KDE desktop environment
Cross-platform backup with snapshots
Digital painting and illustration for artists
Industry-standard container orchestration
🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets.
Lightweight JavaScript map library
Strategic project management for growing teams
The Next-gen Open Source learning platform for everyone ✨
Decentralized link aggregation and discussion platform
:key: stateless open source password manager
Universal chat interface for all AI providers
The leading free office suite for documents, spreadsheets, and presentations
Self-hosted Google Photos alternative with AI features
Privacy-optimized Firefox fork without telemetry
Elegant, comfortable, and beginner-friendly
Powerful Analytics Solution. Setup in 30 seconds. Display all your data on a Simple, AI-powered dashboard. Fully self...
A lightweight, open source, stateless, and self-hosted alternative to linktree in a Docker container!
Free music production for all platforms
Laminar - open-source observability platform purpose-built for AI agents. YC S24.
Local OpenAI-compatible API for various AI models
Local knowledge management with bidirectional linking
Efficient log aggregation system inspired by Prometheus
LSP-AI is an open-source language server that serves as a backend for AI-powered functionality, designed to assist an...
Elegant, self-hosted photo gallery with modern design
One-click email server for individuals and small teams
Complete email server suite with Docker-based installation
User-friendly Arch Linux with a curated software selection
Community-developed MySQL fork with enhanced features
Decentralized social network based on ActivityPub
Comprehensive web analytics with full data control
Secure Slack alternative for enterprises and DevOps teams
Measure is an open-source tool to monitor mobile apps.
The software behind Wikipedia
Privacy first, AI meeting assistant with 4x faster Parakeet/Whisper live transcription, speaker diarization, and Olla...
Gentics Mesh - The open source headless CMS for developers
German metasearch engine with a focus on privacy
High-performance object storage with S3 compatibility
Feature-rich decentralized microblogging platform
🚀 A future-proof enterprise web CMS supporting both headless and decoupled approaches.
Leading document-oriented NoSQL database
The legendary text-based email client for the terminal
Peer-to-peer VPN for direct Layer 2 connections
The classic among open-source monitoring systems
Lightweight music server with a modern interface
Leading graph database for connected data
Hyper-extensible Vim-based text editor
Real-time performance monitoring with automatic dashboards
The React framework for production
The leading self-hosted cloud platform for files and collaboration
Integrated calendar management within the Nextcloud platform
Nextplate is a free starter template built with Next.js and TailwindCSS.
The Open Source Firebase Alternative with GraphQL.
Open Source Alternative to vercel, heroku, netlify with simplified workflows
Declaratively configured Linux with reproducible builds
Open-source alternative to Airtable
Geocoding and reverse geocoding with OpenStreetMap
Your Self-Hosted Knowledge Base
A fully open source & end-to-end encrypted note taking alternative to Evernote.
The standard tool for streaming and screen recording
🐙 OctoBase is the open-source database behind AFFiNE, local-first, yet collaborative.
Comprehensive open-source ERP suite
Run large language models locally with ease
Complete open-source monitoring and observability platform.
Modern office suite with excellent Microsoft Office compatibility
Open Source AI Platform - AI Chat with advanced features that works with every LLM
Open-source alternative to Higgsfield AI — Free AI image generation & cinema studio with 20+ models (Flux, SDXL, Midj...
Elegant user interface for Ollama and OpenAI-compatible APIs
An open-source AI assistant framework with skills and agent architecture
OpenAM is an open-source access management solution for identity authentication, authorization, and federation.
User-friendly PHP e-commerce solution
Self-hosted pastebin powered by Git, open-source alternative to Github Gist.
Powerful map library for web developers
Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluati...
Open-source observability for your GenAI or LLM application, based on OpenTelemetry
Apache video conferencing with document collaboration
OpenObserve is an open-source observability platform for logs, metrics, traces, and frontend monitoring.
OpenPanel is an open-source web and product analytics platform, an open-source alternative to Mixpanel with optional ...
Professional project management from Germany
OpenRecall is a fully open-source, privacy-first alternative to proprietary solutions like Microsoft's Windows Recall.
Simple and award-winning video editor
Application firewall for Linux desktops
🫖 Status page with uptime monitoring & API monitoring as code 🫖
The free world map built by the community
Stable rolling-release distribution with automated testing
Proven open-source VPN solution with broad platform support
Modern FreeBSD-based firewall with weekly updates
High-performance routing engine for OpenStreetMap
Fast and beautiful team wiki
Easy-to-set-up VPN by Jigsaw (Google)
Proven cloud storage with enterprise focus and Infinite Scale
☁️ Ultra-fast, secure & lightweight self-hosted cloud storage — your files, photos, calendars & contacts, all in one ...
Open-source LLM load balancer and serving platform for self-hosting LLMs at scale 🏓🦙 Alternative to projects like llm...
Modern open-source password manager with elegant design
Team password manager focused on collaboration and security
Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers.
Next-generation TypeScript-native headless CMS
Open Source Uptime Kuma Alternative
Decentralized video hosting platform with P2P streaming
Open-source design and prototyping platform
An open source issue management & help desk solution. A zendesk & jira alternative
🕹️ Open-source, developer-first LLMOps platform designed to streamline prompt design, version management, instant del...
Powerful open-source firewall and router distribution
AI-powered photo management for decentralized storage
Network-wide ad blocker at the DNS level
Proven open-source photo gallery for organizations and individuals
Decentralized photo-sharing platform in the Fediverse
Modern open-source alternative to Jira
Privacy-friendly web analytics without cookies
Enterprise CMS with first-class security and workflows
Backend in a single file with integrated database
Daemonless container engine as a Docker alternative
Linux developed by System76 for creatives and developers
Web-based management interface for containers
The classic combination for custom email server configurations
The most advanced open-source relational database
All-in-one product analytics platform
European open-source e-commerce platform
An open source Project management tool based on Laravel and Filament
ProjectSend is a free, open source software that lets you share files with your clients, focused on ease of use and p...
Cloud-native monitoring and alerting system
f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-...
Lightweight CalDAV and CardDAV server
Multi-cluster Kubernetes management platform
Powerful RAW image processor
Universal command-line tool for cloud storage management
Lightning-fast in-memory data structure store
✉️ Open-Source Email API for Developers. Self-hosted Alternative to SES, Mailgun, SendGrid.
Fast and secure backup program
Versatile team communication platform with extensive integrations
GraphQL-based headless commerce for modern shops
High-performance cloud storage with efficient file synchronization
Privacy-friendly metasearch engine
Fast distributed storage system for billions of files
Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applic...
Lightweight, self-hosted, open-source chat server with voice, video, text, and screen sharing.
Cross-platform video editor with broad format support
The gold standard for secure private communication
SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single app...
An open source personal productivity platform built on Markdown, turbo charged with the scripting power of Lua
Local knowledge management with block references and sync
A modular, scalable and ultra-fast open-source all-in-one eCommerce platform built on ASP.NET Core 10
World-leading open-source intrusion detection system
Modern time tracking with an elegant interface
Flexible open-source commerce on Ruby on Rails
SonicJS - The edge-native headless CMS for Cloudflare Workers.
Open-source, free, self-hosted alternative to Cypress Dashboard
Minimalist software development platform
Embedded SQL database without a server
Powerful user interface for AI image generation
Modern all-in-one mail server written in Rust
Encrypted notes with a focus on longevity
Leading open-source headless CMS for developers
Media center with add-on-based streaming
Enterprise-grade open-source CRM
Open-source alternative to Firebase
📡 SPR: Open Source, secure, user friendly and fast wifi routers for your home.
High-performance IDS/IPS with multi-threading architecture
Git-based headless CMS. Successor to Netlify CMS (now Decap CMS). Modern UX, first-class i18n support, mobile support...
⚡️SwanLab - an open-source, modern-design AI training tracking and visualization tool.
📈 Swetrix is a cookie-less, open source, privacy-first web analytics, website speed monitoring and error tracking ser...
Symfony-based e-commerce framework for custom solutions
Decentralized file synchronization without cloud servers
Agile project management for cross-functional teams
An open source project management tool with Kanban boards
Versatile DNS server with ad blocker
Cloud-native CI/CD framework for Kubernetes
TerminusDB is a distributed, collaborative database designed for building, sharing, versioning, and reasoning on stru...
Versatile interface for local language models
🔥 MagLit - Privacy Respecting Encrypted Link Shortener with Password Protection and Torrent Magnet Links support
The versatile open-source email client by Mozilla
Time-series database built on PostgreSQL
Interactive time tracking with a tag-based system
A fully open-source headless CMS that supports Markdown and Visual Editing
Hierarchical knowledge management for complex note structures
Open source headless CMS API written using NestJS, that has pre built modules like User Management, Role Management, ...
Three-tier business application framework
Modern next-generation open-source CRM
Professional enterprise CMS from Europe
The most popular Linux operating system for beginners and professionals
Uncomplicated firewall for simple Linux server security
Simple, fast, and privacy-friendly analytics
Validating, recursive DNS resolver
Chromium completely free of Google dependencies
Self-hosted uptime monitoring with an elegant dashboard
Open source APM: OpenTelemetry traces, metrics, and logs
VaahCMS is a laravel based open-source web application development platform shipped with a headless content managemen...
Multimodal open-source routing for all modes of transport
Lightweight self-hosted Bitwarden-compatible password management
Open-source to-do and project management
Open-source developer content platform
VS Code without Microsoft telemetry
All-in-one CRM for sales and support
Elegant Django-based CMS for sophisticated websites
Open-source serverless enterprise CMS.
Open source website builder and Webflow alternative.
Open-source Kanban board for teams
Google results without tracking and ads
Modern wiki with Git integration
Open source, local, and self-hosted Amazon Echo/Google Home competitive Voice Assistant alternative
Ultra-fast and modern VPN protocol
The most widely used open-source e-commerce solution for WordPress
Community fork of Drone with container-native CI/CD
The world's most widely used open-source CMS
Open messaging protocol with the lightweight Prosody server
Decentralized peer-to-peer search engine
Enterprise monitoring for networks, servers, and cloud
Lightning-fast code editor with AI integration
Fast static site generator as a single binary
Team chat with a unique threading model for productive communication
