Clipdrop - Create stunning visuals in seconds
Pretzel - Keyboard shortcuts for the app you're currently using
MyPopClip - The most basic feature of MyPopClip is to select a text with the mouse to do the copy and paste action, saving us the usual Command+C or V trouble, but the real power of this tool lies in the use of its extensions.
KeyCue - Menu shortcuts are supposed to provide quick access to frequently used menu commands.
Glyphy - Copy & paste fancy fonts + cool symbols ☞✺✐™
Hotkey Commander - Find out and override what hotkey combination is registered by which application.