SDProtector Pro 

SDProtector is a powerful tool offering both software developers and distributors a protection of software products against unauthorized copying, use and distribution.With SDProtector,it's easy to turn your application in "try-before-you-buy" version
software protection protect software software license management compress compression anti-debugging anti-dumping anti-disassemble protect protector protection anti-softice anti-bpx anti-tracer

HardKey License Manager 

HardKey System is easy and powerfull license manager and work with short (15-25 chars) keys. Program based on strong asymetric (public keys) cryptography.
software protection encryption open key hack crack debugger frogice license management licensing

Dis@ 

Dis@ is a utility to give information about all windows in OS, visible or invisible, masked (password ***) or transparent. You can search by handle, by title, class name, visibility. Dis@ allows user to change some of a window properties and styles.
debug window windows system tool password hidden crack develop user disabled hack debug hacker