Open Source Projects in JavaScript
Hoppscotch
An open-source alternative for API development.
Atom
Hackable text editor for the 21st century
Appwrite
Open-source backend server
Ghost
Professional publishing platform
Mastodon
Free, open-source decentralized social media platform
Huginn
Create agents to monitor and act online.
Discourse
Modern forum and community platform
Metabase
Business intelligence accessible to everyone
Appsmith
Open-source low-code platform
Insomnia
Intuitive, multi-protocol API client for developers.
LosslessCut
Trim videos and audio without re-encoding
Mattermost
Mission-critical collaboration for technical teams
Directus
Open data platform for managing content
File Browser
Web-based file manager
Medusa Commerce
Composable commerce engine for developers
ERPNext
Open-source ERP system
Jitsi
Encrypted video meetings without limitations
Budibase
Low-code platform for building internal tools
Chatwoot
Open-source customer engagement platform
Label Studio
Flexible data labeling for machine learning
Bagisto
Free open-source Laravel eCommerce platform
Homebridge
HomeKit support for the impatient.
Jenkins
Leading open-source automation server with extensive plugin support.
Forem
Platform for building modern communities
Firefly III
Personal finance manager
Beekeeper Studio
Modern SQL editor and database manager
Brave Browser
Privacy-focused web browser
Matomo
Web analytics platform respecting privacy
MdBook
Static documentation generator from Markdown
Krayin
Enterprise CRM for growing businesses
Automa
Browser automation extension
FreeTube
Privacy-focused YouTube client
GDevelop
Open-source game engine
Cube.js
Open-source headless BI platform
Navidrome
Self-hosted personal music streaming server
Listmonk
High-performance newsletter delivery system
Invidious
Privacy-focused YouTube front-end.
Modulz
Design systems with production-ready components
BookStack
Simple self-hosted wiki platform
Etherpad
Real-time collaborative document editor
Mailspring
Desktop email client with productivity superpowers
ActivityWatch
The best free and open-source automated time tracker
Cachet
Open-source status page system
ArangoDB
Multi-model database
Automatisch
Open-source Zapier alternative
Filestash
Universal file manager
Magento
Enterprise eCommerce platform with unlimited customization
Audiobookshelf
Self-hosted audiobook and podcast server
Misskey
Federated microblogging platform you can host
Grist
A modern, open-source spreadsheet-database hybrid.
Akaunting
Free accounting software for small businesses
Kanboard
Visualize workflows with Kanban boards
Laverna
Private notes with encryption and Markdown
Leantime
Goal-focused management for neurodivergent minds
Mautic
Marketing automation platform owned by you
BigBlueButton
Open-source web conferencing system
Karate
Unified framework for all testing needs
Builder.io
AI-powered visual development platform
Graylog
Open-source platform for centralized log management.
Fonoster
Open-source alternative to Twilio
Dendron
Open-source local-first knowledge management
CryptPad
Encrypted collaboration suite
HedgeDoc
Web-based, self-hosted, real-time markdown editor.
Dolibarr
Modern open-source ERP and CRM software
Moodle
Customizable learning management system
Flarum
Modern forum software
HumHub
Open Source Enterprise Social Network.
Mixxx
Professional DJ software for live performances
Flagsmith
Open-source feature flag platform
MeshCentral
Web-based remote management for any device
LessPass
Generate passwords without storing them
LinkFree
Consolidate your online presence in one hub
Lightdash
Transform dbt models into business intelligence
CKAN
Open-source data portal platform
Appbase
Search UI components for Elasticsearch
Jitsu
Build real-time data flows in minutes
Ackee
Self-hosted analytics tool for those who care about privacy
Lobsters
Tech-focused link aggregation community
DokuWiki
Simple to use wiki software
ApostropheCMS
Content management for Node.js
Buttercup
Free cross-platform password manager
Kimai
Comprehensive time management solution
MiroTalk P2P
Peer-to-peer video calls with end-to-end encryption
Boost Note
Open-source markdown editor for developers
Erxes
Open-source growth marketing platform
Apache Guacamole
Clientless remote desktop gateway
Chaskiq
Open-source messaging platform for customer engagement
Draw.io
Free online diagram software
Microweber
Visual website builder with integrated CMS
Lowdefy
Configure business applications using YAML
Collabora Online
LibreOffice-based online office suite
FileGator
Powerful multi-user file manager
MiroTalk
Browser-based video conferencing with maximum quality
EspoCRM
Open-source CRM for building customer loyalty
Cinny
Matrix client for desktop and web
Helpy
Open source helpdesk software for secure, multi-channel support.
Astuto
Self-hosted customer feedback tool
BoxyHQ
Open-source security building blocks
Fusio
Open-source API management platform
AVideo
Create your own video streaming platform
Corteza
Open-source low-code platform and Salesforce alternative
Keila
Newsletter campaigns with privacy protection
Myrtille
HTML5 gateway for RDP and SSH
Movim
Decentralized social platform on XMPP
Inlang
A comprehensive SDK for globalization and change control.
Friendica
Decentralized social network platform
Kuzzle
Accelerate IoT development with ready-made backend
Lost Pixel
Automated visual regression detection
Briefing
Modern video conferencing solution
Milkman
Extensible request workbench for developers
Jam
Host mini conferences with friends and communities.
Bangle.io
Local-first note-taking app
MyBB
Community forum software built by volunteers
Exoframe
Self-hosted deployment tool
LogChimp
Customer feedback management platform
Cabal Desktop
P2P community chat platform
Bundle.js
Online JavaScript bundler and package size analyzer
ActiveWorkflow
Open source workflow automation platform
BoxBilling
Automated billing and client management
Concrete CMS
Content management system
Grouparoo
Syncs data between your warehouse and cloud tools.
Clipperz
Zero-knowledge online password manager
CiviCRM
Open-source CRM for nonprofits
Argos CI
Visual testing platform
Glimesh
Community-built live streaming platform
Kindmetrics
Ethical website insights without tracking
MLCraft
Production semantic layer built on Cube.js
Nextcloud
A safe home for all your data
Nexrender
Data-driven render automation for Adobe After Effects
Nhost
Open-source Firebase alternative with GraphQL
NocoDB
Open-source Airtable alternative - Turn databases into smart spreadsheets
NodeTube
Open-source YouTube alternative with video audio and image hosting
nopCommerce
Free open-source ASP.NET Core eCommerce platform
Notesnook
End-to-end encrypted private note-taking app
ntfy.sh
Simple HTTP-based pub-sub notification service
Nuclear
Free music streaming player sourcing from multiple platforms
Odoo
The business management revolution - One platform for every department
Offen
Fair analytics where users own their data - GDPR compliance by design
OhMyForm
Beautiful conversational forms that respect your data sovereignty
OneDev
Self-hosted DevOps excellence - Git
ONLYOFFICE
Collaborative office suite that plays perfectly with Microsoft formats
Open Web Analytics
Track your website analytics without surrendering data control to corporate giants
Baserow
Open-source no-code database
OpenBB Terminal
Democratizing Wall Street - Professional-grade financial research without the Bloomberg price tag
OpenCart
Launch your online empire with battle-tested eCommerce that powers 470000+ stores worldwide
OpenFaaS
Serverless functions that actually work - Deploy to any cloud without vendor Stockholm syndrome
Bitwarden
Open-source password manager
OpenProject
Project management liberation - Enterprise capabilities without enterprise shackles
OpenReplay
Session replay and product analytics that stays in your cloud - Debug like you own the browser
OrangeHRM
HR management software trusted by millions to run people operations without licensing fees
ownCloud
The original self-hosted file sync platform, now rebuilt in Go for speed
Parse Server
Facebook's abandoned backend, reborn as the open-source Firebase alternative
Passbolt
Team password sharing built on OpenPGP, with the paid tier open source too
PasswordCockpit
A no-frills, Docker-deployable vault for teams who just need shared credential storage
PeerPad
A serverless collaborative editor that syncs documents directly between browsers
PeerTube
A federated video network where no single server holds the whole library
Peppermint
A lightweight ticketing system that runs happily on a Raspberry Pi
Pimcore
An open-core data platform that unifies product info, digital assets, and content in one system
Pipedream
A developer-first automation platform now backed by Workday's enterprise reach
PopSpace
An open-source virtual canvas that brings remote teams back into the same room
Commento
Lightweight comment platform
Postal
A self-hosted alternative to Sendgrid and Mailgun for teams that want to own their mail infrastructure
PrestaShop
A community-built e-commerce platform that's powered European online stores since 2007
Countly
Product analytics platform
PrivateBin
A pastebin the server can't read, because the browser does all the encryption
Planka
A Trello lookalike you host yourself, with a license worth reading first
Inspo AI
AI design intelligence platform for UI inspiration, agentic UI generation, brand scanning, moodboards, and production-ready React interfaces.
Fosscord
Open-source Discord-compatible chat platform
Isso
Isso: a Disqus alternative for comments.
Kukkee
Coordinate schedules effortlessly through voting