@os_tools

🚀 Discover the best open-source tools for developers! 🛠️ Curated collection to build, test & ship faster. 🌍 Open-source & community-driven projects.

open-source-tools.com
Joined March 2025
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182Media
Babel: the compiler for writing next generation JavaScript. - TypeScript, MIT, ~44.0k GitHub stars, ~6.0k forks - 413+ contributors, main, v8.0.7 - Lowers modern syntax per target, plus JSX and TS plugins Best for: toolchains shipping modern JS to older browsers and Node
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open-source-tools.com/babelj…

Babel — Build Tools | Open Source Tools

Babel is a powerful JavaScript compiler that allows developers to use next-generation JavaScript, converting it into a syntax compatible with older…

open-source-tools.com
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TanStack Query: async state management and data fetching for the web. - TypeScript, MIT, ~50.5k GitHub stars, ~4.2k forks - 461+ contributors, main, v5.104.5 - Caching, refetching, pagination and infinite scroll Best for: React, Vue, Solid or Svelte apps juggling server data
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open-source-tools.com/tansta…

TanStack Query — State Management | Open Source Tools

A powerful library for asynchronous state management and server-state utilities with data fetching capabilities for web applications, supporting TS/JS, React…

open-source-tools.com
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LosslessCut: swiss army knife for lossless video and audio editing. - TypeScript, GPL-2.0, ~45.0k GitHub stars, ~2.3k forks - 139+ contributors, master, v3.70.1 - Cut, merge and remux without re-encoding, via FFmpeg Best for: trimming huge GoPro and drone clips in seconds
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open-source-tools.com/lossle…

LosslessCut — Video | Open Source Tools

The swiss army knife of lossless video and audio editing, allowing users to efficiently cut and process video and audio files without re-encoding.

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herdr: terminal workspace and runtime for coding agents. - Rust, Apache-2.0, ~45.3k GitHub stars, ~3.6k forks - 89 contributors, master, v0.9.5 - Panes marked working, blocked or idle; sessions survive SSH drops Best for: running Claude Code, Codex and other agents at once
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open-source-tools.com/herdr?…

herdr — Agent Tools | Open Source Tools

herdr is a terminal workspace and runtime for coding agents, written in Rust. It keeps terminals running in a background server, marks each pane as working,…

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Headscale: self-hosted, open source Tailscale control server. - Go, BSD-3-Clause, ~44.9k GitHub stars, ~2.6k forks - 255 contributors, main, v0.29.5 - MagicDNS, ACLs, exit nodes, subnet routers, OIDC, embedded DERP Best for: self-hosters and homelabs running their own tailnet
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open-source-tools.com/headsc…

Headscale — Networking | Open Source Tools

An open source, self-hosted implementation of the Tailscale control server, providing secure peer-to-peer networking capabilities.

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React Hook Form: fast, flexible React forms with easy validation. - TypeScript, MIT, ~44.9k GitHub stars, ~2.5k forks - 440 contributors, master, v7.90.0 - Few re-renders, no dependencies, Zod, Yup and Joi schema support Best for: React and React Native apps with complex forms
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open-source-tools.com/react-…

React Hook Form — Forms & Validation | Open Source Tools

đź“‹ Efficient React Hooks library for form state management and validation, compatible with both Web and React Native.

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Payload: open-source headless CMS and fullstack framework for NextJS apps. - TypeScript, MIT, ~45.4k GitHub stars, ~4.3k forks - 436+ contributors, main, v3.91.0 - Instant admin panel, TypeScript backend, React Server Components Best for: content sites and apps on NextJS
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open-source-tools.com/payloa…

Payload — CMS | Open Source Tools

Payload is an open-source, fullstack Next.js framework offering a complete TypeScript backend and admin panel. It can be used as a headless CMS or for…

open-source-tools.com
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Jan: open-source ChatGPT alternative that runs LLMs fully offline. - Rust, Apache-2.0, ~45.0k GitHub stars, ~3.1k forks - 161 contributors, main, v0.8.7 - Local Llama, Gemma, Qwen models, cloud APIs, MCP, OpenAI-compatible API Best for: private AI chat on your own machine
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open-source-tools.com/jan-ai…

Jan — AI | Open Source Tools

Jan is an open source, privacy-focused AI chat application that serves as a 100% offline alternative to ChatGPT, allowing users to run powerful language…

open-source-tools.com
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Logseq: privacy-first, open-source knowledge base for notes and tasks. - Clojure, AGPL-3.0, ~45.3k GitHub stars, ~2.8k forks - 338 contributors, master, 2.0.2 - Outliner with Markdown and Org-mode files, PDF notes, plugins Best for: a private second brain of linked notes
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open-source-tools.com/logseq…

Logseq — Documentation | Open Source Tools

Logseq is a privacy-first, open-source platform designed for knowledge management and collaboration, focusing on providing a secure and effective tool for…

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Cobalt: open-source media downloader with no ads or trackers. - Svelte, AGPL-3.0 (web UI CC-BY-NC-SA), ~45.3k GitHub stars, ~4.0k forks - 45 contributors, main, 11.7, no releases - YouTube, TikTok, Reddit, SoundCloud and 18 more Best for: saving video or audio from a link
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open-source-tools.com/cobalt…

Cobalt — Tools | Open Source Tools

Cobalt is a media downloader: paste a link and get the file, with no ads, tracking or paywalls. You can use cobalt.tools or run your own instance.

open-source-tools.com
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