The Bat! 3.61.11 beta - new beta version of a very popular pop3 client.

[-] (#0000612) Date formatting macros (e.g. ODATESHORT) did ignore user overrides to the locale's default date format.
[-] (#0004699) IMAP folders were often reported as damaged during checking integrity
[*] IMAP: changes in request queue
[+] Editor: add template macros SetEditor
[+] Other: jid: and callme: URL highlighting
[-] Other: theme changed to default on startup

Download The Bat! 3.61.11 beta here for free

Windows Sidebar for Windows XP - a complete package, no additional files necessary. Windows Sidebar for Windows XP is the same Sidebar which is used in Windows Vista.
Download Windows Sidebar for Windows XP here for free

Fasterfox - performance and network tweaks for Firefox. Fasterfox is an extension (module) for FireFox browser, which allows to configure and optimize many network parameters and enfast the download speed.

* Prefetch Links
Dynamic speed increases can be obtained with Firefox's unique prefetching mechanism, which recycles idle bandwidth by silently loading and caching all of the links on the page you are browsing.
* Tweak Network
Fasterfox allows you to tweak many network and rendering settings such as simultaneous connections, pipelining, cache, DNS cache, and initial paint delay.
* Block Popups
A popup blocker for popups initiated by Flash plug-ins is also included.
* Page Load Timer New!
A millisecond accurate page load timer tests the effectiveness of your settings.

Download Fasterfox - performance and network tweaks for Firefox here for free