The 1.0 version of CodeSign Checker for Mac is provided as a free download on our website. This Mac download was scanned by our built-in antivirus and was rated as malware free. The actual developer of this free Mac application is fernlightning. The application belongs to System Tools.
From the developer:
CodeSign Checker ... Is that application code signed and is it still valid? CodeSign Checker provides a front end to the developer tool /usr/bin/codesign. In addition it supports checking of iPhone apps.
You may want to check out more software for Mac, such as RB App Checker Lite, Aperture Folder Checker or PiXel Check, which might be similar to CodeSign Checker.