Open Source JavaScript Software & Tools

Open-source headless CMS on Node.js and TypeScript: visual content-type builder, auto-generated REST and GraphQL APIs, RBAC, i18n and plugins.

Fully local voice cloning, dubbing, dictation, and transcription in one desktop app - an open-source ElevenLabs replacement.

Self-hosted uptime monitoring tool with a polished UI, 90+ notification integrations, and built-in public status pages.

Modern and easy to use SQL client for MySQL, Postgres, SQLite, SQL Server, and more. Linux, MacOS, and Windows.

A free internet metasearch engine which aggregates results from various search services without tracking or profiling users.

Open-source GPS track manager with 3D topography visualization for outdoor activities.

CapRover is a scalable self-hosted PaaS with one-click apps, Docker Swarm clustering, automatic TLS, and a friendly web UI for deploying apps and databases in seconds.

An Obsidian plugin that provides IDE-style LaTeX autocomplete with English and Chinese keyword search for math formulas.

Open-source, AI-native project management platform — a self-hostable alternative to Jira, Linear, Monday, and ClickUp.

Self-hosted task management that combines personal todo lists with powerful project organization. Built for individuals and teams who value privacy and control.

Free and open-source HTML5 network performance estimation tool using only built-in web APIs — no third-party frameworks required.

Open-source design and prototyping platform with native design tokens, real CSS layouts and self-hosting — a strong Figma alternative.

FlatPress is a lightweight, easy-to-set-up flat-file blogging engine.

Kutt is a modern, open-source URL shortener with custom domains, detailed click analytics, password-protected links, team management, and a clean developer API. Easy to self-host.

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

Self-hosted photo and video library with animated thumbnails, full-text search, and optional local speech transcription.

A browser-based video editor built for humans and AI agents. Edit with a drag-and-drop UI, a JSON timeline, MCP tools, or its REST API.

Privacy-first, cookie-less web analytics with speed monitoring and error tracking.

Self-hosted speed test with easy setup, supports PHP and Node.js backends, mobile-friendly, and highly configurable.

Open source CRM with unlimited users, built by the Frappe team for lead, deal and sales pipeline management.

Free, open source CRM for managing leads, contacts, sales pipelines, email campaigns, and customer support on your own servers.

Online image editor with layers, filters, and effects that runs entirely in the browser. An open source Photoshop alternative with no ads or account required.

Agentic open-source social media scheduler: AI agents plan, generate, and post to 30+ networks from one calendar. Self-hostable Buffer/Hootsuite alternative.

A self-hostable, GUI-first AI coding agent with editable conversation trees, plugin-based tools, and multi-client sessions.

Openpanel is an open-source web and product analytics platform that combines the power of Mixpanel with the ease of Plausible and one of the best Google Analytics replacements.