go-chi / chi

lightweight, idiomatic and composable router for building Go HTTP services

thecodearcher / limen

Modern, composable authentication for Go

foxcpp / maddy

✉️ Composable all-in-one mail server.

IBM / fp-go

Functional programming library for Go 1.24+, inspired by fp-ts. Uses generic type aliases for a clean, composable API. Provides Option, Either, Result, IO, IOResult, Reader, and ReaderIOResult monads, plus optics (Lens, Prism, Traversal) for immutable data manipulation. Supports Functor, Applicative, and Monad abstractions with do-notation-style

destel / rill

Composable concurrency toolkit for Go

gnolang / gno

Gno: An interpreted, stack-based Go virtual machine to build succinct and composable apps + gno.land: a blockchain for timeless code and fair open-source.

samber / ro

🏎️ Streams & Reactive Programming paradigm for Go: declarative and composable API for event-driven applications

flamego / flamego

The modular Go framework for composable systems

thunder-id / thunderid

ThunderID is a high-performance, open-source identity stack designed for developers to secure and manage access for humans, AI agents, and machines through fully composable identity flows.