Uptime Kuma
Monitoring & StatusEasy self-hosted uptime monitoring tool
Replaces Pingdom, UptimeRobot
312 open-source, self-hostable apps written primarily in JavaScript. Showing the 200 most popular.
Easy self-hosted uptime monitoring tool
Replaces Pingdom, UptimeRobot
Full fake REST API from a JSON file in seconds
Replaces Mockoon, Postman Mock
HTML Presentation Framework
Replaces Google Slides, Office 365
All-in-one desktop and server RAG application
Replaces ChatGPT, NotebookLM
React-based static site and blog generator
Replaces WordPress, Medium
Fast, Git-friendly open-source API client
Replaces Postman, Insomnia
Lightweight JavaScript library for interactive maps
Replaces Google Maps JavaScript API
Low-code platform for building and automating business tools
Replaces Retool, Microsoft Power Apps
Fast HTML5 game framework for browser games you host yourself
Replaces Construct, GameMaker
Browser-based database schema design and ER diagram tool
Replaces dbdiagram.io, Lucidchart
The cyber Swiss Army knife for data operations
Replaces IT-Tools
Customizable frontend for AI character roleplay
Replaces Character.AI
Visualizer for neural network and machine learning models
Fast, file-configured application dashboard
Replaces Heimdall
Documentation site generator
Replaces GitBook
Interactive documentation for OpenAPI specifications
Replaces Postman
Cross-platform ebook reader with annotations and sync
Replaces Calibre, Apple Books
Automated versioning and package publishing
Replaces release-please
Flow-based programming for event-driven apps
Replaces Zapier
Expose your localhost to the world for testing
Replaces ngrok
JavaScript data grid component with spreadsheet-like editing
Replaces Google Sheets, Excel Online
Local-first knowledge base on a folder of Markdown files
Replaces Evernote, Notion
Open-source kanban board for collaboration
Replaces Trello
Simpler static site generator for fast websites
Replaces WordPress, Medium
Local file sharing in your browser, inspired by AirDrop
Replaces AirDrop
Online real-time collaborative LaTeX editor
Open-source WebGL game engine for 3D browser games
Replaces Unity WebGL
Online spreadsheet component with rich features
Replaces Google Sheets, Microsoft Excel
Query multiple AI chatbots side by side at once
Replaces Poe
Read-it-later app with highlights and newsletter support
Replaces Pocket, Instapaper
Powerful, privacy-first, client-side PDF toolkit that allows you
Replaces Adobe Acrobat
Node.js powered forum with real-time updates
Replaces phpBB, Discourse
Free and open source speedtest
Replaces Speedtest.net
Lightweight web-based spreadsheet component
Replaces Microsoft Excel
Self-hosted audiobook and podcast server
Replaces Audible
Gamified task and habit manager for personal productivity
Replaces Todoist, Habitica
VNC client that runs entirely in the browser
Replaces RealVNC
Open-source business automation you can self-host
Replaces Zapier
Self-hostable web frontend for the Stremio media center
Replaces Plex
Dockerized full-stack mail server suite
Replaces Microsoft Exchange, Google Workspace
Self-hostable browser version of the 2048 sliding puzzle
Replaces Mobile puzzle games
High-performance library for all kinds of web maps
Replaces Google Maps JavaScript API
Realtime kanban board for workgroups
Replaces Trello
Headless GraphQL commerce microservices platform
Replaces Shopify, commercetools
All in one IP Toolbox
Local and internet file sharing inspired by Snapdrop
Replaces AirDrop, WeTransfer
Modern open-source URL shortener with analytics
Replaces Bitly, TinyURL
Open-source platform for building online communities
Replaces Discord, Discourse
Peer-to-peer file transfer in the browser
Replaces AirDrop, WeTransfer
Easiest one-click installer for Stable Diffusion
Replaces Midjourney, DALL-E
Realtime collaborative Markdown notes platform
Replaces Google Docs, HackMD
Self-hosted streaming media server with a clean web interface
Replaces Netflix, Plex
Self-hosted chat app for small teams
Replaces Slack, HipChat
Browser editor for designing and validating OpenAPI documents
Replaces Stoplight, Postman
Self-hostable HTML5 multiplayer adventure game
Replaces Realm of the Mad God
Virtual classroom and web conferencing for education
Replaces Zoom, Microsoft Teams
Small full-text search library for the browser
Replaces Algolia, Elasticsearch
Markdown note-taking app with client-side encryption
Replaces Evernote, Simplenote
Beautiful open-source RSS and podcast application
Replaces Feedly
Compact, high-quality open text-to-speech model
Replaces ElevenLabs, OpenAI TTS
Open-source ERP and CRM built on the MERN stack
Replaces QuickBooks, Zoho Books
Ebook reader for the Linux desktop built with GTK
Replaces Kindle
A non-linear personal web notebook in a single file
Replaces Notion, OneNote
AI-powered local-first personal knowledge management app
Replaces Evernote, Notion
Vue.js static site generator with a GraphQL data layer
Replaces Gatsby, WordPress
Minimalist text adventure game for your browser
Self-hostable diagramming application
Replaces Lucidchart, Visio
Cloud-enabled Markdown editor you can self-host
Replaces StackEdit
End-to-end encrypted collaboration suite
Replaces Google Drive, Microsoft 365
Web-based SVG drawing editor working on any modern browser
Extremely simple pluggable static site generator
Replaces WordPress, Jekyll
JavaScript library for creating Minecraft bots and automation
Replaces commercial game bot frameworks
Document signing software (alternative to DocuSign)
Open-source factory-building puzzle game
Replaces Factorio
JavaScript library for rendering EPUB books in the browser
LLM-based multi-agent framework for web search answers
Replaces Perplexity AI
Lightweight HTML5 game engine for browser games
Replaces GameMaker, Construct
Calibre-Web with automatic ingest and conversion
Replaces Kindle
Scalable real-time graphing and time series storage
Replaces Datadog
Modern HTTP web server index for browsing files
Replaces Google Drive
Web-based MongoDB admin interface, written with Node.js and Express
Automated AI tagging and analysis for Paperless-ngx
Replaces DocuWare
Encrypted file sharing fork of Firefox Send
Replaces WeTransfer, Firefox Send
Product analytics for web, mobile, and desktop
Replaces Mixpanel, Firebase Analytics
Lightning-fast code search across many Git repositories
Replaces GitHub Code Search
Distributed task scheduler with a web UI
Replaces Zapier
Self-hosted newsletter application
Replaces Mailchimp
High-performance, pluggable SMTP server in Node.js
Replaces SendGrid, Mailgun
Web-based SQL editor for querying and visualizing databases
Replaces DataGrip, phpMyAdmin
Modern video-sharing and content management platform
Replaces YouTube, Vimeo
Open-source server management for SSH, VNC, and RDP
Replaces Apache Guacamole, Termius
Static web server with built-in preprocessing
Replaces Jekyll
Programming language to create your own interactive stories, games,
Web file manager with a desktop-style interface
Replaces Google Drive, Dropbox
Free WebRTC video conferencing and meeting rooms
Replaces Zoom, Google Meet
Self-hosted, privacy-focused analytics tool
Replaces Google Analytics
Unique puzzle game designed for geeks and developers, where you solve
In-context editing CMS built on Node.js
Replaces Wix, Squarespace
Minimalist mobile-first card pack for Home Assistant
Replaces SmartThings app
Self-hosted in-browser retro game emulator
Replaces RetroArch web
Modern IPTV and stream management dashboard
Replaces Cable TV
Connect directly to databases and APIs and use the data to create
Open-source NVR and CCTV software for IP cameras
Replaces Blue Iris
Certified OpenID Connect and OAuth 2.0 provider for Node.js
Replaces Auth0, Okta
Free & Open-Source HTML5 Network Performance Estimation Tool
Professional open-source survey software
Replaces SurveyMonkey, Qualtrics
Simple self-hosted task and project management
Replaces Todoist, Things
Sinatra-based dashboard framework for custom widgets
Replaces Geckoboard
Web-based XMPP/Jabber chat client
Replaces Slack
Web interface for editing and managing crontab jobs
Replaces cron
Privacy-first home automation platform for everyone
Replaces SmartThings, Google Home
CMS-free wiki that renders Markdown in the browser
Replaces Confluence
Web-based SSH and Telnet client
Replaces PuTTY
Scalable WebRTC video conferencing with an SFU, up to 4K
Small self-contained pure-Go web server with Lua, Markdown, HTTP/2,
Speed test analysis software that shows your internet speed for up
Build internal tools and web apps from YAML config
Replaces Retool, Appsmith
Modern open-source password manager
Replaces 1Password, LastPass
Serve vector and raster map tiles from MBTiles
Replaces Mapbox
Free, open, simple Markdown-powered knowledge base
Replaces Confluence, Zendesk Guide
A vehicle maintenance and fuel mileage tracker
Make a directory accessible over HTTP with uploads
Replaces Dropbox
Self-hosted Markdown knowledge base with graph view
Replaces Obsidian, Notion
Online collaborative whiteboard for sketching
Replaces Miro, Microsoft Whiteboard
Stoat is a user-first chat platform built with modern web technologies
Statistics and analytics dashboard for Jellyfin
Replaces Tautulli
Self-hosted block-stacking puzzle game in the browser
Replaces Tetris
Search and document management for investigative work
Replaces DocuWare, Relativity
Personal music streaming server with mobile apps
Replaces Spotify
Flexible WebGL map rendering engine
Replaces Mapbox GL JS, Google Maps
Form and document data management platform
Replaces DocuSign, Jotform
Streams server for the social web
Replaces Twitter
Browser-based open-source empire strategy game
Replaces Civilization
Self-hosted Markdown file-based task management board
Replaces Trello
Chat, video calls and webinars integrated into Nextcloud
Replaces Slack, Zoom
Low-latency camera streaming integration for Home Assistant
Replaces Cloud camera streaming
Translation management platform for teams
Static site generator for Vue.js sites and blogs
Replaces Gatsby, Jekyll
Template-based report and document generator
Replaces DocRaptor, Adobe PDF Services
Dashboard that auto-discovers Docker container links
Replaces Heimdall
Scalable IMAP and POP3 mail server with REST API
Replaces Microsoft Exchange, Gmail
Open-source kanban board with offline sync
Replaces Trello
No-code database application builder for web and mobile applications
Self-hosted collaborative API development environment
Replaces Postman
Self-hosted podcast manager and downloader
Replaces Pocket Casts
Zenko CloudServer, an open-source implementation of a server handling
Simple open-source file sharing solution
Replaces WeTransfer
Document search engine with OCR and tagging
Replaces DocuWare, M-Files
Simple, robust, BitTorrent tracker (client and server) implementation
Self-hosted bookmark and archive manager
Replaces Pocket, Raindrop.io
Web UI for self-hosted ZeroTier network controllers
Replaces ZeroTier Central
Browser extension for OpenPGP encryption in webmail
Replaces ProtonMail
Lightweight self-hosted commenting system
Replaces Disqus, Facebook Comments
Simple, database-free blockchain explorer
Low-latency RTSP camera streaming to browsers over WebRTC
Replaces commercial camera viewer software
Web-based admin interface for the Hexo blog generator
Replaces WordPress
Restream RTSP camera feeds to web browsers
Replaces go2rtc
Web app for collaborative genealogy
Privacy-focused encrypted email for everyone
Create and share custom maps on OpenStreetMap
Replaces Google My Maps
Synchronize media, chat, and more for an arbitrary number of channels
Minimal startpage for your server and services
Replaces Google homepage
Inventory management for electronic parts
Replaces NetSuite
Social media management, analytics, and reporting platform supporting
Open-source helpdesk and ticketing for small teams
Replaces Zendesk, Freshdesk
Minimalistic opinionated Fediverse ⁂ web client
Replaces Bluesky, Mastodon
Self-hosted server for sharing personal video clips
Replaces Streamable, YouTube unlisted
Simple and lightweight Kubernetes dashboard
Replaces Kubernetes Dashboard
Unified UI and API for face recognition on camera feeds
Replaces Nest Cam
Kanban-style project planning inside Nextcloud
Replaces Trello
Community-driven music streaming server
Replaces Spotify
Client-side encrypted pastebin requiring no user accounts
Replaces Pastebin.com
Local-first note-taking with file-over-app philosophy
Replaces Evernote, OneNote
JavaScript-based multi-user XMPP chat client
Replaces Chatango
Fast JavaScript EXIF and metadata reader for photos
Replaces Commercial metadata APIs
Browser-based incremental idle game of civilization evolution
Replaces Cookie Clicker, Universal Paperclips
Modern web interface for the Mopidy music server
Replaces Sonos app
File sharing + sync, notes, and photos (alternative to Nextcloud
Self hosted private journaling
Mail, calendar and contacts bundle for Nextcloud
Replaces Microsoft 365, Google Workspace
Self-hosted browsable photo and video gallery with similarity search
Replaces Google Photos
A simple app for focused and private note-taking
Web-based interface for your SANE-compatible scanners
Real time, collaborative whiteboard application with rich media
Lightweight distraction-free text editor, in the browser (Markdown
Chat with your documents using local AI
Replaces NotebookLM
Cross-platform mobile and desktop client for ZoneMinder
Replaces Commercial CCTV apps
Connect BlueWallet to your Lightning node
Self-hosted leave and absence tracking for companies
Replaces BambooHR, Vacation Tracker
Open-source ticket-based customer support system
Replaces Zendesk, Freshdesk
IMAP webmail client integrated into Nextcloud
Replaces Gmail
Browser extension front-end for the pass manager
Replaces LastPass extension, 1Password extension
Web file manager with uploads, tagging, share links, gallery/table
Minimalist privacy-respecting web analytics
Replaces Google Analytics
Feature-rich PHP pastebin with API and themes
Replaces Pastebin.com
Document assembly and guided interview platform
Replaces HotDocs, Documate
Open-source collaborative file storage and workspace
Replaces Google Drive, Microsoft OneDrive
Transparent, fair web analytics that respects users
Replaces Google Analytics
Web front end for the WeeChat IRC relay
Replaces IRCCloud, Slack
Simple static photo gallery generator written in Python
Replaces Flickr
No apps match these filters.