Adianti Framework provides a complete architecture for developing PHP.
A modern C++ GUI library
TangramKit is a powerful iOS UI framework implemented by Swift
Utilities for platform indepentent low-level system APIs.
Deployment environment Linux-Windows-Android
Now maintained at https://code.google.com/p/lpi/
Java Reactive Streams Push Engine
A JavaScript framework to create conversational UIs
Build Cross-platform Applications
A framework for distributed computing
The open source grid computing solution
Squeezer framework, build serverless dApps
WKZombie is a Swift framework for iOS/OSX to navigate within websites
JMEDS is a lightweight, modular extendable Java Framework for DPWS.