Glimpse - Discover trends before they're trending

madCodeHook - "madCodeHook" offers everything you need to hook code (mostly APIs).

Widgetsmith - Widgetsmith is a screen personalization application that comes with multiple customization options that makes your screen have a vibrant look.

Microsoft Research Detours - Detours is a software package for re-routing Win32 APIs underneath applications.

Pixel Widgets - Pixel Widgets is a feature-rich application that makes it easy for you to add custom retro widgets and select from pre-loaded widget design or create a custom one with more than 150 fonts and color themes at your disposal.

Deviare API Hook - Deviare is a professional open source hooking engine for instrumenting arbitrary Win32 functions, COM objects, and functions which symbols are located in program databases (PDBs).