Discover high-quality developer tools, verified free APIs, AI agents, and open-source projects — all with zero paywalls.
🌐 Free APIs15 |
🤖 AI & LLMs16 |
⚡ CLI Tools19 |
🧪 Testing & QA11 |
☁️ Free Cloud10 |
🤝 Up for Grabs11 |
🎁 Dev Perks13 |
🚀 1-Click Deploys8 |
🌐 Interactive Web App • 🔥 Spotlight • 🚀 Social Guarantee • 👥 Team • ➕ Submit Yours
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🛡️ 100% Verified Uptime • 🌟 Quality First • 🚫 Zero Paywalls • 📢 Free Social Promotion
Every week, we highlight outstanding open-source utilities, developer gems, and community submissions.
| Project | Category | Highlights | Links |
|---|---|---|---|
| GitWhisper | Git & Version Control | Local-first AI Git commit intelligence with Conventional Commits, AST secret redaction & atomic hunk splitting. | GitHub |
| FlashLane | OS & Hardware Utilities | Universal high-speed bootable ISO/IMG USB writer with Rufus parity for Windows, macOS, & Linux. | GitHub |
| AutoHeal-QA | E2E Testing & Playwright | 100% Free & Local-first agentic self-healing E2E test runner for Playwright with zero cloud costs. | GitHub |
| Ollama | Local AI & Inference | Run Llama 3.3, Mistral, Qwen, and custom models locally with a simple CLI and REST API. | GitHub |
| Bruno | API Testing & Exploration | Fast, git-friendly open-source API client storing collections directly in your repo in plain text. | GitHub |
| PocketBase | Databases & BaaS | Open-source backend in 1 single binary file with embedded SQLite, realtime subscriptions, and auth. | Website |
Important
Building great developer tools is hard. Getting discovered is even harder.
When your tool, API, or project is accepted and merged into DevShelf:
- 🌟 Social Media Spotlight: We publish a dedicated shoutout post about your project on X (Twitter) and LinkedIn via the RitualDev Lab channels.
- 🌐 Permanent Web Directory Inclusion: Your tool is permanently listed in our live search index at devshelf.ritualdev.in.
- 🔗 High-Quality Backlink: Guaranteed direct dofollow backlink to your GitHub repository or documentation.
Are you listed on DevShelf? Display an official badge on your project's README.md to show off your community verification:
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[](https://devshelf.ritualdev.in/)DevShelf is initiated by the team at RitualDev Lab and expanded by the global open-source community.
 Divyanshu Jethi 🚀 Founder & Lead |
 Sakshi Sharma 🎨 Core Maintainer & Product |
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Want your avatar here? Submit a pull request with your favorite developer tool or fix an open issue!
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. |
| PokeAPI | Games & Media |
🟢 No Key | 100 req/min |
All the Pokémon data you'll ever need in one place, easily accessible through a modern RESTful API. |
| Open Library | Books & Literature |
🟢 No Key | Unlimited |
Millions of book records, author bios, covers, and ISBN lookups from the Internet Archive. |
| ReqRes | Development & Testing |
🟢 No Key | Unlimited |
A hosted REST-API ready to respond to your AJAX requests with simulated realistic user and auth data. |
| ipify | Geocoding & IP |
🟢 No Key | Unlimited |
A simple public IP address API with guaranteed 99.99% uptime and zero setup. |
| DummyJSON | Development & Testing |
🟢 No Key | Unlimited |
Free dummy REST API with products, carts, users, posts, comments, auth, and image placeholder endpoints. |
| Nominatim OpenStreetMap | Geocoding & IP |
🟢 No Key | 1 req/sec |
Open-source search engine for OpenStreetMap data, providing forward and reverse geocoding. |
| ExchangeRate-API | Finance & Crypto |
🔑 Free Key | 1,500 req/month |
Reliable currency conversion and forex exchange rates for 160+ currencies with a permanent free tier. |
| Cat Facts | Animals & Fun |
🟢 No Key | Unlimited |
Public REST API providing random cat facts, breeds, and trivia with zero authentication required. |
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 →
Local, OpenAI-compatible REST API for running LLMs, audio transcription, image generation, and embeddings on commodity CPU/GPU.
Category: Local AI & Inference • Language: Go / C++ • License: MIT • View Repo →
The all-in-one Desktop & Docker AI application with full RAG pipeline, multi-agent workspaces, and complete privacy.
Category: Local AI & RAG • Language: JavaScript • License: MIT • View Repo →
Drag & drop user interface for building customized LLM applications, autonomous agents, and RAG pipelines.
Category: AI Agents & Workflows • Language: TypeScript • License: Apache-2.0 • View Repo →
Dynamic visual framework for building, testing, and deploying multi-agent AI and RAG applications.
Category: AI Agents & Workflows • Language: Python / TypeScript • License: MIT • View Repo →
Open-source desktop alternative to ChatGPT that runs 100% offline on local hardware with zero data leakage.
Category: Local AI & Inference • Language: TypeScript / C++ • License: AGPL-3.0 • View Repo →
Enhanced, self-hostable open-source AI chat platform unifying OpenAI, Anthropic, Gemini, and local LLMs.
Category: Web UI & Chat • Language: TypeScript • License: MIT • View Repo →
Open-source prompt and automation framework for augmenting humans using AI patterns and modular CLI tooling.
Category: AI CLI & Productivity • Language: Go • License: MIT • View Repo →
AI pair programming in your terminal: edit code in local git repos with Claude 3.5 Sonnet, GPT-4o, or local LLMs with auto-commits.
Category: AI Pair Programming & CLI • Language: Python • License: Apache-2.0 • View Repo →
Open-source platform for software development agents that can write code, fix bugs, run bash commands, and browse documentation autonomously.
Category: Autonomous AI Software Engineers • Language: Python • License: MIT • View Repo →
Leading open-source AI code assistant inside VS Code and JetBrains: bring your own models, embeddings, and context providers.
Category: AI Code Assistant & Extension • Language: TypeScript • License: Apache-2.0 • View Repo →
High-performance LLM inference in pure C/C++ with minimal setup and state-of-the-art quantization across Apple Silicon and GPUs.
Category: Local AI & Inference • Language: C / C++ • 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 →
Cat clone with syntax highlighting and Git integration for dozens of programming languages.
Category: Terminal & Shell • Language: Rust • License: MIT / Apache-2.0 • View Repo →
A syntax-highlighting pager for git, diff, and grep output with side-by-side views and line numbers.
Category: Git & Version Control • Language: Rust • License: MIT • View Repo →
Command-line benchmarking tool with statistical analysis, warmup runs, and parametric sweeps.
Category: Benchmarking & Performance • Language: Rust • License: MIT / Apache-2.0 • View Repo →
Collaborative, simplified community man pages focusing on practical, real-world command examples.
Category: Terminal & Productivity • Language: Markdown • License: MIT • View Repo →
A more intuitive version of du in Rust providing instant visual disk usage breakdown in terminal.
Category: Disk & Storage • Language: Rust • License: Apache-2.0 • View Repo →
A modern replacement for ps with color highlighting, multi-column search, and process tree view.
Category: System & Process Monitoring • Language: Rust • License: MIT • View Repo →
Cross-platform graphical process and system monitor with customizable terminal charts and widgets.
Category: System & Process Monitoring • Language: Rust • License: MIT • View Repo →
The power of curl with the ease of use and human-friendly terminal output of HTTPie.
Category: HTTP & Networking • Language: Go • License: MIT • View Repo →
The minimal, blazing-fast, and infinitely customizable cross-shell prompt for any shell (Bash, Zsh, Fish, PowerShell).
Category: Terminal & Shell Prompt • Language: Rust • License: ISC • View Repo →
Smarter cd command inspired by z and autojump: learns your navigation habits to jump to directories in fewer keystrokes.
Category: Terminal Navigation • Language: Rust • License: MIT • View Repo →
Beautiful terminal user interface dashboard extension for GitHub CLI to manage pull requests and issues effortlessly.
Category: GitHub Workflow & TUI • Language: Go • License: MIT • View Repo →
Modern, user-friendly command-line HTTP client for API debugging with clean JSON formatting, colorized output, and sessions.
Category: HTTP & Networking • Language: Python • License: BSD-3-Clause • 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 →
Fast, git-friendly, open-source API client that stores collections directly in your repo via plain text files.
Category: API Testing & Exploration • Language: JavaScript • License: MIT • View Repo →
Open-source API development ecosystem, lightweight web & desktop app with WebSocket, GraphQL, and SSE support.
Category: API Testing & Exploration • Language: TypeScript / Vue • License: MIT • View Repo →
The easiest and quickest way to design and run mock REST APIs locally with custom routes, rules, and proxies.
Category: Mock APIs & Sandboxes • Language: TypeScript • License: MIT • View Repo →
Cloud-scale load testing and functional testing platform for HTTP, WebSockets, and gRPC.
Category: Performance & Load Testing • Language: JavaScript • License: MPL-2.0 • View Repo →
Scalable user load testing tool written in Python with real-time web monitoring UI.
Category: Performance & Load Testing • Language: Python • License: MIT • View Repo →
Seamless REST and GraphQL API mocking library for browser and Node.js using Service Worker API to intercept requests at the network level.
Category: API Mocking & Interception • Language: TypeScript • License: MIT • View Repo →
Versatile HTTP load testing tool and library built in Go for drilling HTTP services with constant request rates.
Category: Performance & Load Testing • Language: Go • License: MIT • 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 →
Open source backend in 1 file consisting of embedded SQLite database with real-time subscriptions, built-in auth, and admin dashboard.
Category: Databases & BaaS • 🎁 Free Tier: 100% Free & Open Source, single binary self-hostable • Explore PocketBase →
Self-hosted backend-as-a-service platform providing developers with core APIs for authentication, databases, storage, and serverless functions.
Category: Backend-as-a-Service • 🎁 Free Tier: Free Cloud Tier: 2 projects, 75k monthly active users, 2GB storage • Explore Appwrite →
Run full-stack apps and databases close to your users globally with lightweight Firecracker microVMs.
Category: Serverless Compute & Global VMs • 🎁 Free Tier: Free allowance: up to 3 shared-cpu-1x VMs, 3GB persistent storage • Explore Fly.io →
Unified cloud to build and run web applications, APIs, static sites, and background workers with automated Git deploys.
Category: Cloud Hosting & PaaS • 🎁 Free Tier: Free static sites, free web services (750 hrs/mo), free PostgreSQL • Explore Render →
Serverless platform to deploy full-stack apps and Docker containers globally with built-in CDN, SSL, and private networking.
Category: Serverless & Containers • 🎁 Free Tier: Free Eco tier: 1 web service, 512MB RAM, global edge network • Explore Koyeb →
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 →
Universal, high-speed bootable ISO/IMG USB writer with Rufus parity for Windows, macOS, and Linux.
🎯 Seeking: macOS diskutil runner, Linux block flashing, E2E ISO tests, Documentation
Language: TypeScript / Electron • Browse Open Issues → • Repo Link →
Fast, git-friendly open-source API client that stores collections in plain text.
🎯 Seeking: Collection runner plugins, translations, UI improvements, good first issues
Language: JavaScript • Browse Open Issues → • Repo Link →
Open-source browser automation CLI for AI agents with fast Rust core and Node.js fallback.
🎯 Seeking: Cross-platform terminal enhancements, playwright engine bindings, examples
Language: Rust / TypeScript • Browse Open Issues → • Repo Link →
Terminal-based AI pair programming tool with git auto-commit integration.
🎯 Seeking: Local model benchmark adapters, terminal UX enhancements, documentation
Language: Python • Browse Open Issues → • Repo Link →
Autonomous software development agent platform for solving GitHub issues.
🎯 Seeking: Docker sandbox runtime adapters, evaluation benchmarks, docs & translations
Language: Python • Browse Open Issues → • Repo Link →
Leading open-source AI code assistant for VS Code and JetBrains.
🎯 Seeking: Provider integrations, prompt context templates, good first issues
Language: TypeScript • Browse Open Issues → • Repo Link →
Fast and customizable cross-shell prompt for any terminal.
🎯 Seeking: New module additions, shell integrations, localized docs, bug fixes
Language: Rust • Browse Open Issues → • Repo Link →
Community brainstorming and collaboration hub where developers propose, discuss, and build open-source projects.
🎯 Seeking: Project proposals, feature ideation, starter contributors, documentation
Language: Community / Markdown • Browse Open Issues → • Repo Link →
Community-curated platform highlighting open-source projects with starter tasks to help new contributors dive in.
🎯 Seeking: Site enhancements, new project definitions, triage, Jekyll improvements
Language: Ruby / JavaScript • 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 |
| Datadog for Open Source | Observability & APM |
🎁 Free Datadog Pro Account ($180+/host/yr) | Non-commercial OSI-approved open source projects |
| BrowserStack Open Source | Cross-Browser & Device Testing |
🎁 Free Unlimited Live & Automate Testing ($348+/yr) | Public open-source repository with active development |
| Docker Open Source Community | Container Registries & CI |
🎁 Free Docker Hub Team Tier ($108+/yr value) | Active OSI-compliant open-source projects |
| JetBrains Mono | Developer Fonts & Aesthetics |
🎁 Free download (SIL Open Font License 1.1) | Free for personal and commercial use under OFL 1.1 |
| Fira Code | Developer Fonts & Aesthetics |
🎁 Free download (SIL Open Font License 1.1) | Free to use under OFL 1.1 |
| Cascadia Code | Developer Fonts & Aesthetics |
🎁 Free download (SIL Open Font License 1.1) | Free to use under OFL 1.1 |
Zero-cost templates and server configurations deployable in 1 click to free cloud tiers.
| Template & Repository | Category | Target Platform | 1-Click Deploy | Free Tier Cost |
|---|---|---|---|---|
| Mockoon Cloudless API Server | API Mocks & Microservices |
Render | 🚀 Deploy to Render | $0/month (Render Free Web Service) |
| PocketBase 1-Click Backend | BaaS & Databases |
Fly.io | 🚀 Deploy to Fly.io | $0/month (Fly.io Free Allowance) |
| AutoHeal-QA Playwright Runner | Testing & QA Reliability |
GitHub Actions | 🚀 Deploy to GitHub Actions | $0/month (GitHub Actions 2,000 free min/mo) |
| Stirling-PDF Ultimate Toolbox | Dev Utilities & Productivity |
Render | 🚀 Deploy to Render | $0/month (Render Free Tier) |
| Open-WebUI for Local AI | AI Agents & Local LLMs |
Render | 🚀 Deploy to Render | $0/month (Render Free Tier) |
| Directus Instant Data Engine | BaaS & Databases |
Railway | 🚀 Deploy to Railway | $0/month (Railway Free Starter Tier) |
| Hoppscotch API Development Hub | Testing & QA Reliability |
Render | 🚀 Deploy to Render | $0/month (Render Web Service) |
| Dify LLM Application Platform | AI Agents & Local LLMs |
Render | 🚀 Deploy to Render | $0/month (Render Community Tier) |
DevShelf is powered by the open-source community! We provide tailored issue templates for every kind of contribution:
| Action / Goal | Issue Template | Description |
|---|---|---|
| 🚀 Submit Open Source Tool | Open Project Form → | Submit your developer tool, CLI, or library for automated addition & social shoutout |
| 🌐 Submit Free Public API | Open API Form → | Add a free, no-key, or generous rate-limit public API |
| 💡 Propose a Feature | Open Feature Request → | Suggest new UI features, dark mode, filtering capabilities, or web app improvements |
| 🌱 Good First Issue | Open Starter Task → | Propose or claim bite-sized tasks for new open-source contributors |
| 📖 Docs & Guides | Open Docs Issue → | Suggest clarifications or guides for DevShelf or the Wiki |
| 🔗 Report Broken Link | Open Health Report → | Flag an unreachable URL or moved API endpoint |
| 🚨 Report Paywall / Spam | Open Content Report → | Report deceptive paywalls or spam for immediate delisting |
- Fork this repository and clone your fork.
- Add your entry to the appropriate JSON file in the
shelf/directory (shelf/apis.json,shelf/cli-tools.json,shelf/ai-tools.json, etc.). - Run
pnpm run validateto test schema conformance. - Run
pnpm run buildto re-generate the web directory and README. - Submit your PR — our automated GitHub Actions 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.
Curated with ❤️ by RitualDev-Lab and the global open-source community.
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