testing related resources:

theory

"testing reflections" blog
http://www.testingreflections.com/

Bug Tracking Guidelines
http://bug-tracking-guidelines.com/

Bug triage policy
Here

Microsoft's Bouncing Zero Bugs

"Bug Links" blog
http://buglinks.org/



bugtracker software:

BugTracker.NET
http://btnet.sourceforge.net/

Mantis Bug Tracker
http://www.mantisbt.org/

Flyspray
http://flyspray.rocks.cc/

Bugzilla
http://www.bugzilla.org/

trac
http://www.edgewall.com/trac/

AceProject
http://www.aceproject.com/

Open Directory - Bug Tracking Software

Open Source Testing
http://opensourcetesting.org/