3D game engine/framework in C, with Luajit and Python bindings now
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Tools for BPF-based Linux IO analysis, networking, monitoring, etc.
Capstone disassembly/disassembler framework
A post exploitation framework designed to operate covertly
All-In-One PyGI/PyGObject for Windows Installer
Hybrid visualization framework for desktops, large immersive displays
A Development Framework for Coldfire
Apache Cayenne, Wicket, CXF, GWT, EJB examples as a framework