@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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188Media
daisyUI: short component classes for Tailwind CSS, not long utility stacks. - JavaScript, MIT, ~42.7k GitHub stars, ~1.7k forks - 308 contributors, master, v5.7.50 - Classes like btn and card, 35 themes, pure CSS, any framework Best for: Tailwind apps that want cleaner markup
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open-source-tools.com/daisyu…

Daisyui — CSS | Open Source Tools

A popular, free, and open-source Tailwind CSS component library offering a wide range of components for rapid UI development.

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Agno: build AI agents, run them as a service, manage them from a web UI. - Python, Apache-2.0, ~42.9k GitHub stars, ~6.2k forks - 443+ contributors, main, v3.1.10 - REST API with SSE, Postgres storage, JWT RBAC, 100+ integrations Best for: self-hosting production AI agents
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open-source-tools.com/agno?u…

Agno — AI Agents | Open Source Tools

Agno is a framework and runtime for agent platforms. Build agents with the Agno SDK, run them as a service with the AgentOS runtime and manage everything from…

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curl: transfer data with URLs from a shell or your own code. - C, curl license (MIT-style), ~43.2k GitHub stars, ~7.5k forks - 410+ contributors, master, 8.23.0 - Speaks HTTP(S), FTP, SFTP, SMTP, MQTT, WebSocket and more Best for: API calls and file transfers in scripts and CI
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open-source-tools.com/curl?u…

Curl — CLI | Open Source Tools

A versatile command line tool and library (libcurl) for transferring data with URLs. Supports protocols including HTTP, HTTPS, FTP, FTPS, SCP, SFTP, LDAP, SMB…

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Firecrawl: search, scrape and crawl the web for AI agents. - TypeScript, AGPL-3.0, ~194.7k GitHub stars, ~10.3k forks - 167 contributors, main, v2.11.0 - Turns whole sites into clean markdown or structured JSON Best for: RAG pipelines and agents needing fresh web data
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open-source-tools.com/firecr…

Firecrawl — Web Scraping | Open Source Tools

🔥 Turn entire websites into LLM-ready markdown or structured data using an efficient API. Easily scrape, crawl, and extract data.

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agent-browser: browser automation CLI for AI agents. - Rust, Apache-2.0, ~44.5k GitHub stars, ~3.0k forks - 117 contributors, main, v0.39.2 - Snapshots the accessibility tree, then clicks and fills by ref Best for: coding agents that need to drive a real Chrome
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open-source-tools.com/agent-…

agent-browser — Browser Agents | Open Source Tools

agent-browser is a fast, native Rust CLI for browser automation by AI agents, from Vercel Labs. It installs via npm, Homebrew or Cargo, downloads Chrome for…

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Zod: TypeScript-first schema validation with static type inference. - TypeScript, MIT, ~44.2k GitHub stars, ~2.3k forks - 462+ contributors, main, v4.6.7 - One schema for runtime parsing and static types, zero deps Best for: TS apps validating API payloads, env vars and forms
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open-source-tools.com/zod?ut…

Zod — Forms & Validation | Open Source Tools

Zod is a TypeScript-first schema validation library that provides static type inference, allowing developers to ensure type safety and accuracy in their code.

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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…

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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…

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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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