Jira, is an obvious one, what may not be obvious, is that you can also get plugins for jira that provide test case, requirements and defect tracking.
While most are commercial packages, they appear to cover 90% of QC's features, the only thing they naturally dont provide, is Winrunner/Quicktest Pro integration.
If you can live without that though.... you're peaches.
Another option..
Jira, is an obvious one, what may not be obvious, is that you can also get plugins for jira that provide test case, requirements and defect tracking.
While most are commercial packages, they appear to cover 90% of QC's features, the only thing they naturally dont provide, is Winrunner/Quicktest Pro integration.
If you can live without that though.... you're peaches.