Express
OpenJS Foundation · Web frameworks & UI
Minimal, unopinionated web framework for Node.js with routing and middleware, the long-standing default for HTTP servers in the Node ecosystem
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
Directory
4 tools
Results
FastAPI
Sebastián Ramírez (tiangolo) and FastAPI contributors · API development & tooling
Python web framework for building HTTP APIs from type-annotated functions, with automatic validation through Pydantic and generated OpenAPI documentation
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
Hono
Hono project (Yusuke Wada and contributors) · Web frameworks & UI
Small TypeScript web framework built on Web Standard APIs that runs unchanged on Cloudflare Workers, Deno, Bun, Node.js and other JavaScript runtimes
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
Model Context Protocol
Model Context Protocol, a Series of LF Projects, LLC (originated by Anthropic) · Agent frameworks & orchestration
Open JSON-RPC standard for connecting AI applications to tools, data and prompts through servers, now stewarded under the Linux Foundation with SDKs in many languages
Open sourceOpen sourceFreeLocalSelf-hostedNov 2, 2026
Page 1 of 1
Share this view: /tools?category=api-development&iface=api&source=open-source