Security

AV-TEST - The Independent IT-Security Institute
Avast: Free AntiVirus
Avira: Free Antivirus
AVG: Anti-Virus Free Edition
Check Point: ZoneAlarm Free Antivirus + Firewall
Microsoft's Security Essentials
AppRemover - Entfernen von Virenscannern
Bitdefender - Onlinevirenscanner
Kaspersky Free Anti-Virus
Malwarebytes
Remove Fake Antivirus
VeraCrypt
Wippien - Free P2P VPN software
Secunia Personal Software Inspector (PSI)

Video-Player / -bearbeitung

Apple Quick Time
VLC media player
Zattoo

Any Video Converter
HandBrake
Windows 7 Codecs
Windows 8 Codecs

Diverse Software

7-Zip
Adobe Products
CDBurnerXP
FreeCommander
Java Runtime Environment
Salamander
PortableApps.com
TeamViewer - Remote Support
PDFCreator
Mask Email ASCII Generator
Mask Email Image Generator
Ninite Easy PC Setup

Online Drives

1&1 SmartDrive
Copy
Copy reference LW
Copy reference TW
Dropbox
Dropbox reference KS
Dropbox reference OS
Dropbox portable
Google Drive
Microsoft SkyDrive
SugarSync
SugarSync reference SW
SugarSync reference UW

an Ulrich Weber