Cydia Tweaks in Messaging section by Recent Updates ↓
CHINESE voice & text instant messaging
powerful, customizable free SMS/MMS app
get this app to send Tweets quickly
Bluetooth Chat allows you to quickly and free of charge communicate with other iPhone or iPod touches near you. - Nice interface, looks almost like Messages application - Many sound alerts, vibrating and pop-up alerts - You can talk in many private chats, not only one - Archive of your chats Use it anywhere you like, in cafes, exams, shopping centers :).
Remote browser front-end for iOS 6 Messages
Remote browser front-end for Messages
The best QuickReply implementation on the market! Allows you to reply to an SMS/MMS from /anywhere/ with an awesome interface