The developer Zotyo release his application statusnotifier into Cydia today. Statusnotifier is a iPhone status bar notifier that will show you iPhone mail, SMS, Call and voicemail notifications in your statusbar. The application is almost the same as taskbarnotifier except for the fact that statusnotifier does run on firmware 2.x.

» Statusnotifier (email, sms, call notifier in the tasbar)- Cydia

Not long ago the application Netshare was released in the App Store. Not very long after, the same application got removed from the app store due to legal issues with AT&T. Another company that was awaiting approvment of their internet sharing app, PdaNet, is June Fabric. June Fabric’s official statement was:
» Cydia - PDANET iPhone (tether your laptop/pc to your iPhone)

Some of the iPhoneFreakz readers may remember the application Stack for the iPhone. Steven Troughton Smith, the developer of Stack, updated his blog with the news that Stack will soon be released in Cydia and it will be compatible with firmware 2.X.
» Cydia - Stack coming for firmware 2.+

Intelliborn released an updated version of IntelliScreen. Intelliscreen 2.1 is now compatible with the iPhone firmware 2.1. In this latest version they have improved some bugfixes and the performance.
IntelliScreen customizes your “Slide to Unlock” screen allowing you to load widgets onto that otherwise unused space. Options include listing calendar events, mail subjects, SMS messages, weather reports and RSS news feeds.
» Cydia - IntelliScreen 2.2

A process has been circling around that enables you to jailbreak your iPhone running the brand new 2.1 firmware. It’s a long process, but it does work. I’ve done it already, and it works great. If you’re willing to do the steps, then proceed inside. » How to jailbreak iPhone firmware 2.1