public-apis
by public-apisA collective list of free APIs
Blockchain, AR/VR, browser extensions and the newest corners of open source.
Made for early adopters and the curious.
Blockchain Infrastructure (50)Decentralized Applications (50)AR & VR (50)Browser Extensions (50)Desktop Applications (50)Operating Systems (50)Search Engines (50)New Developer Technologies (47)Emerging Open-Source Projects (50)
Across all subcategories, ranked by GitHub stars.
A collective list of free APIs
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
Flutter makes it easy and fast to build beautiful apps for mobile and beyond
f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.
A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode,DeepSeek Harness and more. Only official website: ccswitch.io
The agent engineering platform.
FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit,…
Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local…
Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows
Godot Engine – Multi-platform 2D and 3D game engine
This project is dedicated to collecting high-quality macOS software and organizing them systematically by different categories for easy search and use.
JavaScript 3D Library.
Build smaller, faster, and more secure desktop and mobile applications with a web frontend.
The 1st Collaborative AI Design Agent Workspace. Local-first and open source. Create motion, prototypes, websites, apps, dashboards, presentations, images, and videos with your…
JavaScript API for Chrome and Firefox
Turn any idea, plan, or codebase into a beautiful interactive diagram. An agent skill for Claude Code, Codex, and more.
🙌 OpenHands: AI-Driven Development
:tada: A magical vue admin https://panjiachen.github.io/vue-element-admin
✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more.…
Official Crawl4AI Cloud: a hosted web scraping, extraction, and search API for AI agents. Free API key, 1,000 credits a month, no card. Fully open source: this repo is the…
CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
Open-source AI job search agent and job finder: scan job boards, score each job 1-5 against your CV before you apply, tailor an ATS-friendly resume and cover letter, get interview…
A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows
Free and Open Source, Distributed, RESTful Search Engine
World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant…
For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector…
The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.
ripgrep recursively searches directories for a regex pattern while respecting your gitignore
uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.
All Algorithms implemented in Java
Easy to maintain open source documentation websites.
在 dsh 里装上这个插件即可,无需登录、注册或填 API Key,就能使用包括 DeepSeek V4.1 Flash、Kimi K3 在内的前沿模型——完全免费,不限量。 All you do is install this plugin in dsh: no login, no sign-up, no API key — the frontier…
Memos is an open-source, self-hosted note-taking app that brings your everyday thoughts together in a personal timeline. Your data stays yours, and you choose what to keep private…
Turn any website into a lightweight desktop app with one command, on macOS, Windows and Linux.
A skill to stop your coding agent from burying the answer. ADHD-friendly output.
The open alternative to Salesforce, designed for AI.
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
Rust full node implementation of the Fuel v2 protocol.
🚀✨ Help beginners to contribute to open source projects
❄️ ChatGPT Desktop Application (Mac, Windows and Linux)
Run macOS VM in a Docker! Run near native OSX-KVM in Docker! X11 Forwarding! CI/CD for OS X Security Research! Docker mac Containers.
Go implementation of the Ethereum protocol
🚀 Awesome list of open source applications for macOS. https://t.me/s/opensourcemacosapps
LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.
Scheduling infrastructure for absolutely everyone.
A refreshingly simple data-driven game engine built in Rust
2,926+ reusable AI agent skills for Claude Code, Codex, Cursor and Gemini CLI. AAS Core adds local catalog discovery, agent-owned selection and plan preview. CLI, MCP and plugins.
the runtime your coding agents live on