API middleware

12 reusable API middleware libraries across every platform — libraries, SDKs, and drop-in systems. You should never have to know which ecosystem it lives in.

• aurora

  by aurorallm · Free · github

  Open-source AI gateway — route LLM traffic across OpenAI, Anthropic, Gemini, Groq & 30+ providers via a single API. Self-hosted, no vendor lock-in.

  AIAPI   Go

• clovapi

  by joohw · Free · github

  内置本地代理，轻松管理 Agent API — 开源 CLI 与桌面端，保存 profile、switch 到 Claude Code / Codex / OpenCode 等 Agent。

  AIAPIDeveloper Tools   Go

• encx-cli

  by skrashevich · Free · github

  Go client library and CLI for the Encounter (en.cx) quest engine API

  APISDKDeveloper Tools   Go

• kerberos

  by trebent · Free · github

  Kerberos is a lightweight API gateway that provides: observability, routing, authN, authZ, and OpenAPI validation.

  APIMonitoring   Go

• LogHarbor

  by yasindu100 · Free · github

  🚢 Streamline your logging with LogHarbor, a fast log aggregation service in Go that offers simple RESTful APIs for efficient log management.

  APITesting   Go

• migrate-yt

  by DDJAYA · Free · github

  Automate downloading videos from a YouTube channel and re-upload them to your own channel using Go and the YouTube Data API v3.

  PaymentsAPIDeveloper Tools   Go

• nano-banana-cli

  by erikceballos · Free · github

  🖼️ Generate and edit images with ease using the Nanobanana CLI, powered by AI and Google's Gemini models for advanced image manipulation.

  AIMachine LearningAutomationAPI   GoWeb

• nucleus

  by nucleuskit · Free · github

  AI-first Go microservice kernel for contract-driven service generation, evolution, and verification.

  AIAPIDeveloper Tools   Go

• operatorlm

  by Doublefaced-flavoursomeness591 · Free · github

  Route LLM API requests through a local proxy with multi-account support, failover, and secure key storage.

  AICloudAPIDeveloper Tools   Go

• Protocol Buffers

  by Google · Free · BSD-3-Clause · middleware

  Language-neutral, platform-neutral mechanism for serializing structured data.

  SerializationAPI   C++JavaPythonGoC#JavaScript

• scraped

  by Xhtira20 · Free · github

  Scrape web pages in parallel, convert them to clean markdown, and navigate results using an interactive terminal browser.

  APIDeveloper Tools   GoWeb

• uptop

  by rubettasalty749 · Free · github

  Monitor service uptime through a terminal interface via SSH without browser dependencies or client installations.

  MemoryAPIDeveloper Tools   GoWeb