HEATKEYS

Create hashes from your data to secure passwords or upload a file to create a checksum.

Hex Workshop: Hex Editor, Sector Editor, Base Converter and Hex Calulator for Windows

Free crc-32 checksum calculator implemented in php. It

Codeguru is where developers can come to share ideas, articles, questions, answers, tips, tricks, comments, downloads, and so much more related to programming in areas including C++, Visual C++, C#, Visual Basic, ASP, ASP.NET, Java, and more.

LinuxQuestions.org offers a free Linux forum where Linux newbies can ask questions and Linux experts can offer advice. Topics include security, installation, networking and much more.

Provides Instruction Guides, How-Tos, Troubleshooting Tips and Tricks on Linux, Database, Hardware, Security, Web and Open Source for both Newbies and Geeks - TheGeekStuff by Ramesh Natarajan

Collaboration tools adopted by over 50,000 companies globally. Box simplifies online file storage, replaces FTP and connects teams in online workspaces.