Spytector is the ultimate invisible and undetectable keylogger (keystroke logger) that completely meets your PC monitoring and surveillance requirements. Spytector keylogger is undetectable even for advanced users! Official website: www.spytector.com
iKeyMonitor iPhone Spy App, also compatible with iPad and iPod touch, logs keystrokes, passwords, calls, SMS, WhatsApp/Skype/Viber/Line/Kik/Hangouts/Facebook message, GPS locations, websites and screenshots, and it will automatically send the logs to users by email or FTP.
Aobo Keylogger for Mac Standard is an invisible keylogger for Mac OS X that secretly logs keystrokes, website history, IM chat conversation, IP address and captures screenshots and more and transfers log reports via Email or FTP for remote check.
iKeyMonitor Android Spy is an invisible & free Android keylogger that records keystrokes (including passwords), in/out calls, SMS, WhatsApp messages, GPS locations and website history. It also takes screenshots and send logs to appointed email box.
Amac Keylogger for Mac OS X secretly records typed keystrokes, passwords (pro edition), visited websites, IM chat contents, desktop screenshots and email sent. Amac Keylogger for Mac OS X automatically sends logs to your Email/FTP at preset interval.