A curated list of free public APIs — searchable, community-maintained, with a free JSON API.
- public-api
- api
- apis
- api-list
Repository Index
47,133 repositories indexed
553–576 of 3,592 · Most stars
A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.
- full-stack
- open-source
- saas
- nodejs
🚀 Truly open-source AI avatar(digital human) toolkit for offline video generation and digital human cloning.
- ai-avatar
- ai-avatars
- digital-human
- video-generation
The next-generation file converter. Open source, fully local* and free forever.
BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr
- email-marketing
- mailserver
Set up your own OpenVPN server on Debian, Ubuntu, Fedora, CentOS, Arch Linux and more
"OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!"
The ZAP by Checkmarx Core project
- zap
- zap-development
- dast
- appsec
This open-source mobile ecommerce app seamlessly transforms your Bagisto store into a powerful mobile platform, providing real-time synchronization of products and categories.
- ecommerce-mobile-app
- flutter-apps
- laravel-mobile
- mobile-app
VPN client in a thin Docker container for multiple VPN providers, written in Go, and using OpenVPN or Wireguard, DNS over TLS, with a few proxy servers built-in.
- openvpn
- dns-over-tls
- mullvad
- windscribe
Paradev is an open-source Codex App and Conductor alternative. Orchestrate an army coding agents in parallel with your own subscriptions.
An open-source JavaScript library for world-class 3D globes and maps :earth_americas:
- 3d
- geospatial
- gis
- 3d-tiles
An Obsidian plugin that embeds Claude Code, Codex and other agents as an AI collaborator in your vault.
Open source AI coding agent. Designed for large projects and real world tasks.
🍃 Organic Maps is a free Android & iOS offline maps app for more than 12M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!
Open Source Platform for DTC, B2B Commerce, Marketplaces & Omnichannel. REST APIs, TypeScript SDKs, and production-ready Next.js storefront. Self-host it. Own your data. No vendor lock-in. Zero platform fees.
- ecommerce
- e-commerce
- ecommerce-platform
- spree-commerce
📚 Community guides for open source creators
- open-source
- oss
- best-practices
- tutorial
Amnezia VPN Client (Desktop+Mobile)
Eigent: The Open Source Cowork Desktop - Local and Free Alternative to Claude Cowork and Codex
- agent-framework
- agent-skills
- agentic-ai
- agentic-workflow
Unity MCP acts as a bridge between AI assistants and your Unity Editor. Give your LLM tools to manage assets, control scenes, edit scripts, and automate tasks within Unity.
The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.
- metadata
- datadiscovery
- dataquality
- data-profiling
Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.
- deep-learning
- document-parsing
- machine-learning
- nlp
The Open Source DocuSign Alternative.
- document-signing
- next-auth
- nextjs
- open-source
🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.
- airtable
- airtable-alternative
- nocodb
- nestjs