YoloMouse - An open source tool for changing your game cursor.
lmctl - lmctl is a software that let you control and customize your logitech mouse.
RealWorld Cursor Editor - Create cursors for Windows, convert images to static or animated cursors, or customize your cursor.
Keyboarding Master - Product webpage for Keyboarding Master
CursorFX - Create custom mouse cursors with CursorFX.
Smoothmouse - Smoothmouse is experimental project to improve mouse & trackpad usability in OS X.