Try some of the most popular free products in Cydia — not just "apps", but beyond apps: installing modifications and new features that improve the whole experience of using your device.
Activator
FREE
by Ryan Petrich
redefine the actions of buttons and gestures
Five Icon Dock
by Jay Freeman (saurik)
squeeze another app into your dock
f.lux
by F.lux Software LLC
warm colors at night to match indoor lighting
iFile
free trial · $4.00
by Carsten Heinelt
browse and modify the entire local filesystem
ResetAllKiller
by Lunatik
disable buttons that don't work on jailbroken iOS
SBSettings
by BigBoss
quickly swipe to change useful settings
ShowCase
by Lance Fetters (ashikase)
show lowercase keys while typing lowercase
Software Update Killer
hide red update badge on Settings app
SpringFlash
turn on LED flashlight with a physical button
SSLPatch
fix a security bug in iOS 7.0-7.0.5 & 6.0-6.1.5
SwipeSelection
by iKy1e (Kyle Howells)
edit text faster with extra keyboard gestures
WinterBoard
manage and apply custom themes
Zeppelin
by jivhg
change your carrier name to your choice of icon