Open-source startups tagged #javascript

High performance self-hosted photo and video management solution.

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

Appwrite® - complete cloud infrastructure for your web, mobile and AI apps. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime and more

The open alternative to Salesforce, designed for AI.

Build AI Agents, Visually

Independent technology for modern publishing, memberships, subscriptions and newsletters.

A platform for community discussion. Free, open, simple.

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

The Secure CommsOS™ for mission-critical operations

best way to save what you love

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

Open-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

☁️ Nextcloud server, a safe home for all your data

The world's most flexible commerce platform for agents and developers

:black_heart: Create and share beautiful images of your source code

Unrestricted Open-source alternative to AI video platforms — Free AI image & video generation studio with 600+ models (Flux, Midjourney, Kling, Sora, Veo). No content filters. Self-hosted, MIT licensed.

Make Your Company Data Driven. Connect to any data source, easily visualize, dashboard and share your data.

🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

A modified web browser that helps in responsive web development. A web developer's must have dev-tool.

:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!

In-browser Markdown editor

A browser extension for automating your browser by connecting blocks

The Open Source kanban, built with Meteor. GitHub issues/PRs are only for FLOSS Developers, not for support, support is at https://wekan.fi/commercial-support/ . PR source translation to imports/i18n/data/en.i18n.json, other translations at https://app.transifex.com/wekan/wekan . No telemetry.

支持 Python3、JavaScript、Shell、Typescript 的定时任务管理平台（Timed task management platform supporting Python3, JavaScript, Shell, Typescript）

A Git-based CMS for Static Site Generators

Effortlessly compose, extend, and observe every service in real-time for the first time ever.

The free and privacy-friendly screen recorder with no limits 🎥

AI-powered development workspaces with reusable components, architectural clarity and zero overhead.

A lightweight Node.js private proxy registry

Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows that drive consistency, enable high-quality code practices, simplify onboarding, and accelerate standardized delivery across teams.

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

Node.js based forum software built for the modern web

Cockpit is a web-based graphical interface for servers.

GUI Agent for E2E Testing

A habit tracker app which treats your goals like a Role Playing Game.

Open-source, secure environment with real-world tools for enterprise-grade agents.

Bitwarden client apps (web, browser extension, desktop, and cli).

An online IDE for rapid web development

Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.

AriaNg, a modern web frontend making aria2 easier to use.

Free cross-platform password manager compatible with KeePass

Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.

Automation&Workflow JavaScript IDE on Android(安卓平台上的JavaScript编程IDE)

A simple web-based tool for Spriting and Pixel art.

The JavaScript and API powered WordPress.com

Project has been discontinued ////// Mailchimp Open Commerce is an API-first, headless commerce platform built using Node.js, React, GraphQL. Deployed via Docker and Kubernetes.

Rethinking Student Productivity

A commenting system powered by GitHub Discussions. :octocat: :speech_balloon: :gem:

Oni: Modern Modal Editing - powered by Neovim

AI Code Completions

Easy P2P file transfer powered by WebRTC - inspired by Apple AirDrop

Reactide is the first dedicated IDE for React web application development.

TweetDeck for GitHub - Filter Issues, Activities & Notifications - Web, Mobile & Desktop with 99% code sharing between them

A source-available invoice, quote, project and time-tracking app built with Laravel