Go

An actor-based framework for building distributed, event-driven systems in Go, inspired by Erlang with network transparency.

A blazingly fast, low-latency actor engine written in Go for building highly concurrent and distributed systems.

Ultra fast distributed actor framework for Go, C#, and Java/Kotlin, enabling cross-platform concurrency and messaging.

The Go implementation of LangChain, enabling developers to build LLM-powered applications through composable components.

An open-source AI engine that runs LLMs, vision, voice, and image/video models on any hardware with drop-in OpenAI API compatibility.

A platform to run, manage, and serve open-source large language models (LLMs) locally or on your own infrastructure.

A low-level Go library for cross-platform sound playback with a simple context and player model.

A modular authentication system for Go web applications, providing pluggable modules for common auth features.

An authorization library supporting ACL, RBAC, ABAC, and other access control models with a unified PERM metamodel.

Go library providing chainable HTTP handlers for OAuth1 and OAuth2 authentication with major providers.

A lightweight, generic role-based access control (RBAC) library for Go applications with inheritance and custom assertions.

A Go package providing a simple, clean, and idiomatic way to implement multi-provider authentication for web applications.

A Go implementation of JSON Web Tokens (JWT) for signing, verifying, parsing, and generating tokens.

A complete Go implementation of JOSE (JWA/JWE/JWK/JWS/JWT) for signing, encryption, and key management.

An open-source implementation of Google's Zanzibar authorization system, providing a scalable and customizable permission server.

A standalone JWT login microservice with pluggable backends including OAuth2, htpasswd, and OSIAM.

A Go client implementation for the OAuth 2.0 authorization framework.

An OpenID Foundation-certified OpenID Connect client and server library for Go, designed for ease of use.

A high-performance, flexible authorization/permission engine inspired by Google Zanzibar for fine-grained access control.

A Go library for implementing OAuth2 authorization and token servers with support for PKCE.

A lightweight, efficient, and secure HTTP session management library for Go applications.

An open-source, Google Zanzibar-inspired database for storing and querying fine-grained authorization data at scale.

A modular, open-source blockchain SDK for building secure, high-performance, interoperable Layer 1 chains.

A Go implementation of the Ethereum execution layer protocol, providing a full node client and developer tools.

The original and most widely used IPFS implementation in Go, providing a full-featured node for decentralized content-addressed storage.

A complete implementation of a Lightning Network node for fast, scalable Bitcoin payments.

A comprehensive Go SDK and RPC client for interacting with the Solana blockchain, including JSON RPC, WebSocket, and program clients.

A Byzantine Fault Tolerant (BFT) middleware for securely replicating state machines across many machines.