Discover high-quality developer tools, verified free APIs, AI agents, and open-source projects with zero paywalls.
🌐 Interactive Web App • 📖 Project Wiki • Free APIs • AI & LLMs • CLI Tools • Testing & QA • Free Cloud • ➕ Submit Yours
Most "Awesome" lists suffer from two major problems:
- Link Rot & Dead Endpoints: Outdated links, broken APIs, and unmaintained repos sit untouched for years.
- High Barriers for Creators: Indie devs and open-source creators struggle to get their work discovered.
DevShelf is different:
- 🛡️ Automated Health Checks: GitHub Actions continuously ping APIs and repositories to ensure endpoints are active.
- 🌐 Interactive Web UI: Search, filter, and copy API URLs with our zero-cost GitHub Pages web application.
- 🚀 1-Click Issue Submissions: Add your own project or API in 30 seconds via structured GitHub Issue forms.
- 🌟 Quality First: Hand-curated, zero paywalls, clear free tier transparency.
APIs that provide a 100% free tier or require no API key at all.
| Name & URL | Category | Auth | Rate Limit | Description |
|---|---|---|---|---|
| Open-Meteo | Weather & Climate |
🟢 No Key | 10,000 req/day |
Free weather forecast API for commercial and non-commercial use with hourly forecasts and historical weather data. |
| GroqCloud Free Tier | AI & Machine Learning |
🔑 Free Key | 30 req/min |
Ultra-low latency open-source LLM inference API (Llama 3.3, DeepSeek, Qwen) with a generous free developer tier. |
| JSONPlaceholder | Development & Testing |
🟢 No Key | Unlimited |
Free fake REST API for prototyping, mock posts, comments, todos, and users with zero configuration. |
| Hugging Face Serverless Inference | AI & Machine Learning |
🔑 Free Key | Free monthly tier |
Instant serverless API access to 100,000+ open-source AI models across NLP, vision, and speech with free monthly quota. |
| ipapi.co | Geocoding & IP |
🟢 No Key | 1,000 req/day |
Real-time IP geolocation and network threat intelligence API returning JSON country, city, timezone, and ASN data. |
| CoinGecko Free API | Finance & Crypto |
🔑 Free Key | 30 req/min |
Live cryptocurrency prices, market cap, historical volume, exchange stats, and ticker data. |
| Rest Countries | Geocoding & IP |
🟢 No Key | Unlimited |
Get detailed information about world countries (flags, borders, capitals, currencies, languages) via REST. |
Open-source AI frameworks, local LLM serving, and coding assistants.
Get up and running with Llama 3.3, Mistral, Qwen, and other large language models locally with a simple CLI and REST API.
⭐ Featured • Category: Local AI & Inference • Language: Go • License: MIT • View Repo →
An open-source LLM app development platform combining AI workflow, RAG pipeline, agent capabilities, and model management.
Category: AI Agents & Workflows • Language: Python / TypeScript • License: Apache-2.0 • View Repo →
A high-throughput and memory-efficient inference and serving engine for LLMs with PagedAttention.
Category: High-Throughput Serving • Language: Python / C++ • License: Apache-2.0 • View Repo →
User-friendly AI interface designed for self-hosting with complete Ollama and OpenAI-compatible API support.
Category: Web UI & Chat • Language: Python / Svelte • License: MIT • View Repo →
Command-line orchestrator for AI coding agents: runs Claude Code, Codex CLI, and Gemini CLI in parallel git worktrees with Kanban task state, typed merge flows, and per-agent skills.
Category: AI Agents & Local LLMs • Language: TypeScript • License: MIT • View Repo →
Terminal utilities, git enhancers, and developer workflows that save hours every week.
Local-first & privacy-hardened AI Git commit intelligence with Conventional Commits, AST secret redaction, atomic hunk splitting, and 1-click VS Code extension.
⭐ Featured • Category: Git & Version Control • Language: TypeScript • License: MIT • View Repo →
Universal, high-speed bootable ISO/IMG USB writer with Rufus parity for Windows, macOS, and Linux. Streaming 4MB chunks, MBR/GPT, BIOS/UEFI, and simulation mode.
⭐ Featured • Category: OS & Hardware Utilities • Language: TypeScript / Electron • License: MIT • View Repo →
Simple, fast terminal UI for git commands with interactive rebasing and visual diff navigation.
Category: Git & Version Control • Language: Go • License: MIT • View Repo →
Ultra-fast line-oriented search tool that recursively searches directories for a regex pattern while respecting gitignore.
Category: Terminal & Search • Language: Rust • License: MIT / UNLICENSE • View Repo →
A modern, maintained replacement for ls with colors, git status integration, icons, and tree views.
Category: Terminal & Shell • Language: Rust • License: EUPL-1.2 • View Repo →
General-purpose command-line fuzzy finder with blazing speed and interactive shell bindings.
Category: Terminal & Shell • Language: Go • License: MIT • View Repo →
Open-source browser automation CLI for AI agents, with a fast Rust core and Node.js fallback for navigation, forms, screenshots, and structured page interaction.
Category: CLI & Developer Productivity • Language: Rust / TypeScript • License: Apache-2.0 • View Repo →
End-to-end testing, self-healing frameworks, mock servers, and test automation.
100% Free & Local-first agentic self-healing E2E test runner for Playwright. cloud cost with AST auto-patching and verification loop.
⭐ Featured • Category: E2E & Playwright • Language: TypeScript • License: MIT • View Repo →
Fast and reliable end-to-end testing framework for modern web apps across Chromium, Firefox, and WebKit.
Category: E2E Testing • Language: TypeScript • License: Apache-2.0 • View Repo →
Blazing fast Vite-native unit test framework with ESM, TypeScript, and out-of-the-box coverage.
Category: Unit Testing • Language: TypeScript • License: MIT • View Repo →
Modern load testing tool, using Go and JavaScript, for testing system performance and reliability.
Category: Performance & Load Testing • Language: Go • License: AGPL-3.0 • View Repo →
Generous zero-dollar free tiers for databases, authentication, serverless compute, and email.
Open source Firebase alternative providing PostgreSQL, Auth, Instant APIs, Realtime subscriptions, and Storage.
Category: Databases & BaaS • 🎁 Free Tier: 500MB DB, 50k monthly active users, 1GB storage • Explore Supabase →
Serverless Postgres with instant branching, bottomless storage, and autoscaling compute to zero.
Category: Serverless Postgres • 🎁 Free Tier: 0.5 GB storage, instant branching, scale-to-zero • Explore Neon →
Deploy serverless code instantly across Cloudflare's global edge network with ultra-low latency.
Category: Serverless Compute & Edge • 🎁 Free Tier: 100,000 requests/day, KV store, D1 SQL database • Explore Cloudflare Workers →
Complete user management and authentication suite for React, Next.js, and modern full-stack web applications.
Category: Authentication & User Management • 🎁 Free Tier: 10,000 monthly active users, social logins, MFA • Explore Clerk →
Developer-first email platform for sending transactional emails using clean React components.
Category: Transactional Email • 🎁 Free Tier: 3,000 emails/month, 100 emails/day, 1 custom domain • Explore Resend →
Active open-source projects looking for contributors, bug hunters, or co-maintainers.
AI-assisted conventional commit generator grounded in staged index plumbing.
🎯 Seeking: JetBrains IDE Plugin, Community Custom LLM Adapters, Documentation
Language: TypeScript • Browse Open Issues → • Repo Link →
Zero-cloud-cost agentic self-healing E2E test runner for Playwright.
🎯 Seeking: Cypress Adapter, Additional Local Model Adapters, Visual UI Dashboard
Language: TypeScript • Browse Open Issues → • Repo Link →
Free cloud credits, software sponsorships, and startup program perks for developers and open-source teams.
| Perk & Provider | Category | Value & Benefits | Eligibility |
|---|---|---|---|
| JetBrains Free Open Source License | Developer Tools & IDEs |
🎁 Free 1-Year All Products Pack ($779/yr value) | Active open-source project (3+ months, non-commercial) |
| Sentry for Open Source | Error Tracking & Observability |
🎁 Free Sentry Business Plan ($312+/yr value) | Public open-source repository with OSI-approved license |
| GitHub for Startups | Hosting & Dev Collaboration |
🎁 Up to 20 Free Enterprise Seats ($5,000+ value) | Series A or earlier startups |
| AWS Activate Founders | Cloud Infrastructure |
🎁 $1,000 - $100,000 AWS Cloud Credits | Self-funded or early-stage startups |
| Google Cloud for Startups | Cloud Infrastructure & AI |
🎁 $2,000 in GCP Cloud Credits | Early-stage bootstrap / funded startups |
| DigitalOcean Open Source Sponsorship | Cloud Hosting & Droplets |
🎁 Recurring Free Droplet / Bandwidth Credits | Public open-source projects with active community |
| Postman Open Source Sponsorship | API Development |
🎁 Free Postman Team Plan | Public API open-source projects |
Adding your project or API to DevShelf is 100% free and takes less than 30 seconds!
- Open a new issue using our structured template:
- Fill in your project name, repository URL, category, and a one-sentence summary.
- Our automated GitHub Action validates the link and adds it to the shelf!
- Fork this repository.
- Add your entry to the appropriate JSON file in the
shelf/directory (shelf/apis.json,shelf/cli-tools.json, etc.). - Run
pnpm run buildto update the README. - Submit your PR — automated checks will review and merge it.
- No Paywalled "Free Trials": APIs and tools must have a permanent free tier or be 100% open-source.
- Active Projects: Repositories must have a README, an open-source license, and be publicly accessible.
- Zero Spam: Crypto schemes, affiliate spam, and deceptive links will be permanently rejected.
Distributed under the MIT License. See LICENSE for more information.