Open Source TypeScript Software & Tools

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

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.

No-code spreadsheet database built on Postgres — a fast, open-source Airtable alternative.

A full-stack TypeScript CMS built on Astro and Cloudflare, reimagining WordPress with serverless, type-safe foundations.

A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.

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

An open-source, self-hostable SEO suite and pay-as-you-go alternative to Semrush and Ahrefs for keyword research, rank tracking, backlinks, and site audits.

Open source screen recorder and editor with auto-zoom, webcam overlays, and cursor animations.

Open source screen recording sharing platform — a self-hostable Loom alternative.

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

🦔 PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host. Get started - free.

A simple app for tracking monthly spending and working towards financial goals.

Scalable self-hosted PaaS with one-click apps and Docker Swarm clustering.

Lightweight self-hosted app for managing personal file-based notes and checklists.

Open-source project management platform — an 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.

A free, open source daily journal built with simplicity and privacy in mind.

Open-source AI IDE that plans before it codes, using spec-driven development with requirements, design, and task steps.

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

Open Source Alternative to Vercel, Netlify and Heroku.

Simple, yet powerful Web- & Product Analytics.

Open-source macOS launcher with Raycast-compatible extensions, voice workflows, and AI-native actions.

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

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