Web: Backend & API
superglue (YC W25) builds integrations and tools from natural language. Get production-grade tools for long tail and enterprise systems.
☁️ Nextcloud server, a safe home for all your data
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP…
Your favorite self-hostable alternative to Google Timeline (Google Location History)
ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.
Your self-hosted, globally interconnected microblogging community
An open source payments switch written in Rust to make payments fast, reliable and affordable
Wrap Gemini CLI, Antigravity, ChatGPT Codex, Claude Code, Qwen Code, iFlow as an OpenAI/Gemini/Claude/Codex compatible API service, allowing you to enjoy the free Gemini 2.5 Pro, GPT 5, Claude, Qwe…
The world's most flexible commerce platform.
The easy-to-use and developer-friendly enterprise CMS powered by Django
The open-source notification Inbox infrastructure. E-mail, SMS, Push and Slack Integrations.
Fastest LLM gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.
Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
Python - 100天从新手到大师
☄️ LiteCommands - Command framework for Velocity, Bukkit, Paper, BungeeCord, Minestom, Sponge, Fabric, JDA and future implementations.
한국 서비스에 이용 가능한 Public API 모음 | Public APIs Available for Korean Services
A powerful JavaScript library for interacting with the Discord API
Build Better Websites. Create modern, resilient user experiences with web fundamentals.
The SMS Gateway for Android™ app enables sending and receiving SMS messages through an API that can be accessed directly on the device or via a cloud server when direct device access is not possible.
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
Flutter Chat SDK - Build your own chat app experience using Dart, Flutter and the Stream Chat Messaging API.
Self-hosted Speed Test for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more
Apprise - Push Notifications that work with just about every platform!
Lightweight Firebase/Supabase alternative built to run anywhere — incl. Next.js, React Router, Astro, Cloudflare, Bun, Node, AWS Lambda & more.