Lockinfo - You can find this app in Cydia - Tweaks.

Any Text - Put any text on the lock screen.

Springtomize - Tear down the walls

Do - Do helps you run productive meetings. Do work you love.

Cylinder - Sexy homescreen icon animations

Tasks - The new task app from the team that brought us Wunderlist, Microsoft To-Do is a great way to manage tasks. List everything you need to do—or import tasks from Outlook, Todoist, and Wunderlist so you don't have to start over.