Open source tools
1048 tools in our directory are listed as open source, from 30 sections: Frameworks (89), Open Source (82), UI & Components (80), Dev Utilities (55) and 26 more sections.
Tools
MySQL
Widely used open source SQL database for web and business apps
Nagios
Free open source monitoring for servers, networks and services
Nakama
Open source game backend for multiplayer and social games
NativeScript
Build native iOS and Android apps with TypeScript and web tools
NativeWind
Tailwind CSS class styling for React Native apps
Navidrome
Self-hosted music streaming server with a web player and apps
Neovim
Modern Vim-based editor with Lua config and built-in LSP
NestJS
TypeScript framework for structured, scalable Node.js server apps
NetBird
Open source zero trust network access built on WireGuard
Netdata
Real-time infrastructure monitoring with per-second metrics
Newman
Command line runner for Postman collections in CI
Nextcloud
Self-hosted file sync, sharing and team collaboration suite
Nextra
Next.js and MDX framework for docs, blogs and content sites
NGINX
Web server, reverse proxy, load balancer and cache
Nginx Proxy Manager
Web interface for managing reverse proxies and free SSL
Nightwatch
Node.js end-to-end testing built on the W3C WebDriver standard
Nmap
Free, open source network scanner for hosts, ports and services
NocoBase
Open source platform for building business systems with AI
Node-RED
Low-code tool for wiring devices, APIs and services with flows
Node.js
Open source JavaScript runtime for servers and command line tools
Notepad++
Free Windows code editor with syntax highlighting for many languages
Novu
Open source notification infrastructure for apps and agents
ntfy
Send push notifications to your phone with simple HTTP requests
Nuclei
Open source scanner that runs vulnerability checks from templates
Nushell
Shell that passes structured data between commands in pipelines
Nuxt Content
Content module for Nuxt that reads Markdown, YAML and JSON files
Nuxt UI
Free Vue and Nuxt component library built on Reka UI
Nx
Monorepo platform that runs only the tasks a change affects
OBS Studio
Free open source software for recording video and live streaming
Observable Plot
Concise JavaScript library for exploratory data charts
Oh My Zsh
Community framework for managing your Zsh configuration
Okteto
Isolated test environments on Kubernetes for AI coding agents
ONLYOFFICE
Office editor for docs, sheets and slides that runs on your server
Open Interpreter
Open-source terminal agent for low-cost and open-weight models
Open Policy Agent
General-purpose policy engine that decouples policy from code
Looking for something else? Browse the full directory.














































