Cancellation

AmpPHP

A non-blocking concurrency framework for PHP using fibers to write asynchronous code like synchronous code.

TarpcRust

An RPC framework for Rust that defines services in code, eliminating separate schema compilation and language switching.

FlutureJavaScript

A Fantasy Land compliant, monadic alternative to JavaScript Promises with lazy evaluation and cancellation.

SwiftTaskSwift

A Swift library extending promises with progress tracking, pause, cancel, and retry capabilities.

redux-logicJavaScript

Redux middleware for organizing business logic, intercepting actions, and performing async processing with declarative features.