Version history:

Signo 1.5 (January 9, 2011): available for download - official 1.5 version

Bug fix for shortcut hotkeys in Windows 7 64 bits
Bug fix in icon handler (could cause crash about multiple weeks of intensive use)
Memory leak fix in TFS uploader

Signo 1.4.1 (January 25, 2010): available for download - official 1.4 version

Fix GUI color issue in Vista and Windows 7
New version notification
Several minor bug fixes
First version released as freeware

Signo 1.3 (January 31, 2009)

Support for screen capture to TFS work item
Support for auto and ram optimization actions
Memory leak fixed in the capture tool
Support for multiple screens

Signo 1.2 (January 2, 2009)

Support for html, launch, open, text and win actions
Support for screen capture tool
Installer
Magnify function
List of all hotkeys including non-Signo

Signo 1.1 (December 25, 2008)

First release version with a GUI
Support for basic textkeys