FastAPI is a Python web framework for building APIs using standard type hints, with automatic OpenAPI and JSON Schema documentation.
Rust-native, event-driven engine for backtesting and live trading across multiple asset classes and venues, with Python strategy control.
TokenSpeed is an LLM inference engine built for agentic workloads, with a C++ scheduler control plane and Python execution plane.
Extensible HTTP/1-2-3 web server written in Go that obtains and renews TLS certificates automatically by default.
Chinese-language full-stack admin platform (Spring Boot + Vue) with RBAC, multi-tenancy, workflow, payments, mall, CRM/ERP modules, and WeChat mini-program support.
Self-hostable Platform as a Service for deploying apps and databases on your own VPS, with Docker, Traefik, and backups.
Distributed file and object storage system that serves S3, POSIX file system, and Iceberg/Lance table access from one Go binary.
Fork of Paper, the Minecraft server, that ticks independent chunk regions in parallel on a thread pool.
Ruby on Rails source code for Gumroad, an e-commerce platform that lets creators sell products directly to consumers.
Java framework for building distributed, long-running agents with an event stream, tool-call permissions, middleware, and sandboxed workspaces.
Offline IP-to-region lookup library and data management framework supporting IPv4 and IPv6 with xdb query clients.
A PHP application server built on the Caddy web server, with worker mode, HTTP/3, and automatic HTTPS.
Official source repository for NGINX Open Source, a high-performance web server, reverse proxy, load balancer, and content cache.
TypeScript library for building type-safe production applications with typed errors, dependency injection, structured concurrency, and schema validation.
Open source server powering lichess.org, a free, ad-free online chess platform with realtime games, analysis, and tournaments.
Open-source, self-hostable payments infrastructure in Rust that connects to many payment processors and offers routing, vault, and reconciliation modules.
Java workflow engine that executes BPMN processes, CMMN cases, and DMN decision rules, embeddable or runnable as a server.
Distributed SQL query engine for big data analytics across many data sources, formerly known as PrestoSQL.
Web-based point of sale system written in PHP on CodeIgniter 4, backed by MySQL or MariaDB, with inventory, sales, and reporting.
A PHP library for composing and sending email with SMTP, attachments, HTML bodies, and address validation.
Java-based video platform implementing GB28181, JT/T 808 and JT/T 1078 with a built-in web admin UI for managing camera and NVR streams.
Open-source Ruby commerce platform with REST APIs, TypeScript SDKs, an admin dashboard, and a Next.js storefront.
Async I/O runtime for Zig that schedules lightweight coroutines across OS threads and implements the std.Io interface.
Elixir/Phoenix WebSocket server providing Broadcast, Presence, and Postgres Changes for realtime client apps.
Distributed graph database in Rust that stores its data durably on S3-compatible object storage and serves OpenCypher over Bolt and HTTP.
Federated, ad-free photo sharing social network built on ActivityPub and the Laravel PHP framework.
Middleware plugin that offloads Spark SQL physical plan execution to native engines like Velox and ClickHouse.
Gas-optimized Solidity snippets and contract libraries for Ethereum, including ERC20, ERC721, and ERC1155 implementations.
Opinionated framework for building production-ready, standalone Spring applications with minimal configuration.
A distributed file system from DeepSeek that uses SSDs and RDMA networks to serve storage for AI training and inference workloads.