Open source. Open possibilities.

A curated directory of free public APIs, organized by category and updated by a large community, helping developers find available endpoints for their projects.

PostgREST serves a fully RESTful API from any existing PostgreSQL database. It handles JWT authentication, delegates authorization to database roles, supports schema-based versioning, generates OpenAPI docs, and pushes data validation and JSON serialization into SQL.

Neovim is an extensible refactor of the Vim text editor designed to simplify maintenance and enable advanced user interfaces.

Python and MCP example for an Apify actor that returns US House and Senate congressional stock trades and financial disclosures as structured JSON, with filters for member, ticker, and date range.

SolarisPKN-Stats is an automated system for collecting, storing, and updating project statistics from multiple platforms into structured JSON files.

DouK-Downloader is a tool for downloading and collecting data from Douyin and TikTok works, supporting batch downloads of videos and images, comment data collection, and live stream address acquisition with terminal, Web API, and Docker deployment options.

NetBox plugin that syncs Proxmox Datacenter Manager (PDM) remotes, views and SDN-adjacent inventory into NetBox via proxbox-api. It creates, updates and prunes PDMRemote rows, never writes back to PDM, and requires netbox-proxbox as a peer plugin.

Soenneker.Loops.Contacts is a .NET utility library for managing Loops contacts by email. It provides create, update, find, and delete operations, configuration through a Loops API key, and scoped or singleton dependency injection registration.

NanoPay is a JavaScript/TypeScript library for the Nano cryptocurrency network. It provides client workflows and low-level functions for accounts, local signing, block building, work generation, node RPC, sends, receives, representative changes, exact amount conversion, payment URIs, and confirmation watching. It supports ESM, CommonJS, TypeScript, and browsers, and is GPL-3.0-only.

Simple Multi Apps - Kotlin is an open-source Android application featuring a modular collection of tools including a stopwatch, games, PDF reader, and video player.

Skyvern automates browser-based workflows using LLMs and computer vision, providing a Playwright-compatible SDK and a no-code builder to replace brittle XPath-based automation.

MultiRouter AI is an OpenAI-compatible gateway that routes chat requests across multiple AI providers with automatic failover and load balancing. Supports Groq, Cerebras, Gemini, OpenAI, and custom endpoints via YAML config.

Hoppscotch is an open-source API development ecosystem providing a lightweight alternative to Postman and Insomnia for testing and designing APIs.

Self-hosted multi-tenant AI platform combining a polished chat UI with an OpenAI-compatible LLM gateway: multi-provider channel routing with priority and weight-based load balancing, subscription and usage billing, admin dashboard, file parsing, and SearXNG web search.

An asynchronous Python client for the Open Data Platform of Liège (Belgium). It currently exposes the disabled parking spaces and garages datasets through a simple async API, and its code base is designed to be extended to other datasets from the same platform.

APITable is an open-source, API-oriented low-code platform that combines the capabilities of a database with a spreadsheet interface for collaborative application building.

Tomba is a CLI tool for finding and verifying email addresses, enriching contact data, and discovering phone numbers from domains, LinkedIn URLs, or article authors. It supports bulk CSV processing, AI chat, and reusable workflow skills.

Amplication is an open-source platform for building, maintaining, and scaling backend services. It uses AI-powered automation to generate microservices with APIs, data models, and DTOs, while embedding organizational best practices into live templates.

JSON Server is a Node.js CLI tool that turns a JSON or JSON5 file into a full fake REST API in seconds, supporting CRUD, filtering, sorting, pagination, embedding, and static file serving for prototyping and testing.

API Platform is a next-generation web framework installer that scaffolds API-first projects with REST/GraphQL APIs, auto-generated documentation, admin interfaces, and Jamstack client apps built on Symfony and React.