UPX

Compress your executable files

WiZ

Free lightweight ZIP compressor

Bandizip

A very easy-to-use compressor

FILEminimizer Office

Reduce the size of your Office files up to 98%

jZip

Compression tool compatible with the most wide-spread formats

Free Compressor

Reduce the size of your files to be able to share them

8 Zip Lite

Compressor compatible with several formats

WinAce

The best compression application for ACE files

gzip

Free compressor that has been ported from Linux

ZipGenius

All the necessary tools to create, open and administer compressed files

Free RAR Extract Frog

Decompress your RAR file free

DataNumen RAR Repair

Repair RAR and SFX files

BitZipper

Compressor with support for many formats

PowerArchiver

One of the most powerful multiformat compressors

B1 Archiver

Easy-to-use compression tool

Hamster Free ZIP Archiver

Quickly compress and extract your files

IncrediMail

Customize your email's appearance and give your friends a surprise

Inky

Receive all your emails in a single client

Stellar Converter for OST

Convert your Outlook emails to PST format

Outlook Connector

Use your Hotmail accounts straight from Outlook

Thunderbird Portable

Use this email manager on any PC with a USB port

Windows Live Mail

Microsoft's multi-account email client

Zimbra Desktop

Manage all your accounts from the same application

Yahoo Mail

Access to your Yahoo email account

Mail, Calendar, and People

Plan your day and keep in touch

Microsoft Outlook

Microsoft's email client

Mailspring

Mail client to boost user productivity

Spark

Complete mail client compatible with different services

Mail Bomber

One of the best massive email delivery programs

Turbo Mailer

Send mass emails

Free Email Extractor

Easily gather email addresses