ZoneAlarm Free Firewall

Considered as the best free firewall

O&O UnErase

Recover files deleted accidentally

MultiHasher

Calculate the hash value of your files

ZoneAlarm Pro

Security and protection at all levels

Disk Heal

Recover your computer after suffering a virus attack

OfficeFIX

Recover your damaged Microsoft Office files

Kerio WinRoute Firewall

Improve the security of any corporate network

FastSum

Verify the integrity of any file

DefenseWall Personal Firewall

Defend your computer from attacks over Internet

Firewall App Blocker

Make it easier to block applications with the Windows Firewall

Lavasoft Personal Firewall

Prevent anybody accessing your computer without permission

Rising Personal Firewall

Personal and appealing Firewall for Windows

PhotoRestorer

Recover the photographs deleted from your camera or Flash device

MediaRescue

Recover the lost data from your digital devices

FileVerifier++

Check the integrity of the files by means of checksum

Easy Archive Recovery

Recover corrupt RAR and ZIP files

Acoustica

Edit your audio files with dozens of different tools

AudioQuick Editor

Quickly learn to edit your audio files

Skype Voice Changer

Disguise your voice when using Skype

MP3 Workshop

Work with your MP3 files

mp3DirectCut

A simple and efficient MP3 file editor

Mp3Doctor

Enhance the sound of your audio files

ACID Xpress

The free version of one of the best sound editors around

Music Editor Free

Complete music editor that offers professional results

Kangas Sound Editor

Create your own music from scratch

Sofonesia MP3 Clipper and Joiner

Simple tool to cut and join MP3 files

Voicemeeter

Audio mixer that allows you to change your voice

PolderbitS Sound Recorder and Editor

Two practical and lightweight audio tools

MP3Gain

Easily modify the gain of your MP3 files

Sonic Visualiser

Inspect the contents of your audio files

BestPractice

Change the tempo and tone of any song in real time