Data & Backend

Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.

Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...)

Fast and reliable background jobs in Go

The Developer Platform for Modern APIs

An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, and admin UI built on Rust, SQLite & Wasmtime.

Android library to handle jobs in the background.

Minimal and idiomatic WebSocket library for Go

🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communications

Build databases, automations, apps & agents with AI — no code. Open source platform available on cloud and self-hosted. GDPR, HIPAA, SOC 2 compliant. Best Airtable alternative.

Kanidm: A simple, secure, and fast identity management platform

Simple and rapid application development framework, built on top of Flask. includes detailed security, auto CRUD generation for your models, google charts and much more. Demo (login with guest/welcome) - http://flaskappbuilder.pythonanywhere.com/

A Fast and Easy to use microframework for the web.

SQL-first Golang ORM

Automatically generates beautiful and easy-to-read ER diagrams from your database.

Official Documentation for the Binance Spot APIs and Streams

GraphQL server with a focus on ease of use

C++高性能分布式服务器框架,webserver,websocket server,自定义tcp_server（包含日志模块，配置模块，线程模块，协程模块，协程调度模块，io协程调度模块，hook模块，socket模块，bytearray序列化，http模块，TcpServer模块，Websocket模块，Https模块等, Smtp邮件模块, MySQL, SQLite3, ORM,Redis,Zookeeper)

Orchestrate end-to-end encryption, cryptographic identities, mutual authentication, and authorization policies between distributed applications – at massive scale.

An isomorphic Javascript client for Supabase. Query your Supabase database, subscribe to realtime events, upload and download files, browse typescript examples, invoke postgres functions via rpc, invoke supabase edge functions, query pgvector.

An JWT based API for managing users and issuing JWT tokens.

.NET aot orm, VB.NET/C# orm, Mysql/PostgreSQL/SqlServer/Oracle orm, Sqlite/Firebird/Clickhouse/DuckDB orm, 达梦/金仓/虚谷/翰高/高斯 orm, 神通 orm, 南大通用 orm, 国产 orm, TDengine orm, QuestDB orm, MsAccess orm.

A Python Object-Document-Mapper for working with MongoDB