Catalog

Open source factory for one-shot engineering

A curated list of free public APIs — searchable, community-maintained, with a free JSON API.

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. O

Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.

Gentle-AI configures the AI coding agents you already use: Claude Code, Cursor, OpenCode, Codex, Pi, and more. Choose persistent memory, Organic-Driven Development, curated skills, MCP servers, personas, and optional bounded review. Open source, no agent lock-in.

Easy and Repeatable Kubernetes Development

Minimal AI coding agent (~1,000 lines of Python) inspired by Claude Code. Works with any LLM. Think NanoGPT for coding agents. Formerly NanoCoder.

ShellCheck, a static analysis tool for shell scripts

API Documentation Browser

Streamlit — A faster way to build and share data apps.

D2 is a modern diagram scripting language that turns text to diagrams.

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

JavaScript API for Chrome and Firefox

daily.dev is the personalized developer news feed and community. Get the best tech content from all over the web in your browser new tab or on mobile. Free and open source.

A modern file manager that helps users organize their files and folders.

Collection of handy online tools for developers, with great UX.

Self-hosted AI coding assistant

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

A scalable, distributed, collaborative, document-graph database, for the realtime web

Open-source AI Skills collection by 数字生命卡兹克 | Agent Skills: leader (helps define goals), neat-freak 洁癖, hv-analysis, khazix-writer & more — Claude Code, Codex & 40+ agents