Public wi-fi hotspots are not secure and your computer and communications vulnerable to hackers and security breaches. Hotspot Shield gives you a simple solution to maintain your anonymity and protect your privacy when accessing free wi-fi hotspots.

Calculate hash with this handy software. Just drag and drop files in this calculator and hash string for the files will be immideately displayed. Supported cryptographic hash calculation algorithms include CRC32, GOST hash, MD2, MD4,MD5, SHA-1, SHA2

The Wi-Fi WEP Key Generator Pro Utility allows you to create WEP keys that work between manufacturers. Now you can use D-Link with Linksys with Netgear with Belkin with SMC, etc. and easily maintain your wireless networking security settings.

PDF Unlocker Tool to remove restrictions from PDF files for copying, editing, printing & extracting. PDF Unlocker, a design by SysTools is rated as PDF Restriction Remover to break PDF restrictions and unlock PDF password security.

Create small (~40Kb) self-checking signature (exe-file) for folder contents. Based on SHA-1. Allows receive list of modified and removed files.