1)   AllNetic Working Time Tracker 2.1.1
Tracks how much time you spend on different projects and tasks. Thanks to precise time tracking and accounting you can quickly and precisely calculate time spent on different tasks. The application doesn't occupy space on your desktop.

 2)   MP3 Hint 2.00
This handy extensions allows you to see any MP3 file's TAG contents without opening it in a MP3 player. It supports TAGs in verion ID3v1 and ID3v1.1. It's easy to use and it works even with local network.