Cross-platform C++ library for use as a default application framework.
Web framework in Rust
Java client library for Google Maps API Web Services
Asynchronous socket, http(s) (client+server) and websocket library
Simple library for asynchronous processing in Emacs
JavaScript fluent validation library
HTTP Client for AS3
Lightweight full-featured Promises, Async & Await Library in Swift
HTTP Library for Lua. Supports HTTP(S) 1.0, 1.1 and 2.0
Multi-threaded C++11 Actor Model library
Typesafe utilities for "action-creators" in Redux / Flux Architecture
High-level streams library for Node.js and the browser
Perl-based smart QQ client framework
Magical headers that make your C++ library accessible from JavaScript
WebSocket (WS) and WebSocket Secure (WSS) server and client library
Asynchronous flow control
A Tcl interface to PostgreSQL databases, written in Tcl
Java asynchronous socket library
Python framework for asynchronous, concurrent, distributed programming
A collection of iOS components
Kovenant. Promises for Kotlin
Asynchronous image loading framework
Lightweight fully extendable client/server application framework
UI form validation library for Android