Zewo/Zewo

Health v2 · maintenance only

Adoption not part of the score

1841 stars · 87 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Zewo is a lightweight Swift library for building web server applications using coroutines instead of asynchronous callback-based APIs. It provides Go-style concurrency (fibers/green threads via libmill) so server code can stay synchronous and readable, and serves as a modular foundation for building server-side Swift frameworks.

Use cases

• build web servers in Swift with synchronous APIs
• avoid callback hell in server-side Swift
• use Go-style coroutines and green threads in Swift
• deploy Swift web apps on Linux servers
• build a custom web framework from modular components
• run non-blocking concurrent HTTP servers without GCD

When to choose

• you want coroutine-based, synchronous-style concurrency in server-side Swift
• you're building your own Swift web framework and want modular building blocks
• you need lightweight non-blocking HTTP serving on macOS or Linux

When to avoid

• you need an actively maintained project - the last release was March 2020
• you want a full-featured batteries-included web framework like Vapor
• you're targeting modern Swift concurrency (async/await) rather than libmill-based coroutines

Facets

library · maturity abandoned

web-framework http-server concurrency routing middleware web-development backend developer-tools coroutines server-side-swift green-threads fibers synchronous-apis non-blocking-io macos linux swift docker

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