Support for SHA1 Signature Tool is available from the publisher site.
Short description: Create Save and Compare SHA1 Hash of any File. Easy to use GUI interface displays a green indicator when any (2) files are identical. Use to verify downloads and critical files....
To speed up your downloads we recommend you use a download manager such as 
Folder Castle protects your personal data from snoopers and thieves. You can either lock away files and folders, or put them into Secure Storage with on-the-fly AES-256 encryption. Protected data cannot be accessed by anyone who is unauthorized.
Password Commander manages and generates secure passwords, sticks them to web pages and programs with ONE click and clicks the "Log in" button for you. The program keeps personal data encrypted, runs from USB-flash and protects data from keyloggers.
Internet filtering / parental control and network monitoring software that protects kids from harmful information on the Internet
Secure file shredder with unlimited use of the zero wipe (1 pass) shredding algorithm to erase your files. Has easy drag & drop, quick installer/uninstaller, comprehensive help, & free updates until the next major version release. Portable capable!
Keep those prying eyes out of your communications and prevent unwanted people from reading your private files. Invisible Secrets encrypts and hides data in places where not even your wife, boss, or a hacker would look for sensitive information.
PDF document security with PDF DRM controls. Stop copying, sharing, modifying, screen grabbing. Control the number of views and prints & when documents expire. No useless pdf password security. Complete PDF copy protection and PDF control.
With a simple click, Internet Disk Cleaner safely clean up all Internet tracks, past computer activities and improved pc performance.It also supports test mode, cookies manager, scheduled cleanups, secure deletion and boss key.