Open source. Open possibilities.

Open-source Go MUD server with a playable default world, web admin/client, module manager, ANSI colors, layered config, HTTPS setup, Docker, and install scripts.

Actix Web is a powerful, pragmatic, and fast Rust web framework supporting HTTP/1.x and HTTP/2, WebSockets, streaming, middleware, and content compression.

µWebSockets is a C/C++ HTTP and WebSocket server library with a Node.js binding, offering TLS 1.3, URL routing, pub/sub, and a standards-compliant, fuzz-tested implementation for real-time applications.

NestJS is a progressive Node.js framework for building efficient, scalable server-side applications. Built with TypeScript, it supports OOP, FP, and FRP, uses Express by default (Fastify compatible), and provides an Angular-inspired application architecture.

Insomnia is an open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC, offering native OpenAPI design, test suites, mocking, a CLI for CI pipelines, and Local, Git or Cloud storage options.

Starlette is a lightweight ASGI framework for building async Python web services, offering WebSocket support, background tasks, and modular components with minimal dependencies.

Supabase is an open-source Postgres development platform combining hosted database, authentication, auto-generated REST/GraphQL and realtime APIs, edge functions, file storage, an AI/vector toolkit, and a dashboard, with official and community client libraries.