One of the most popular comparisons on IT Central Station is IBM Rational Team Concert (IBM ALM) vs JIRA.
One user says about IBM Rational Team Concert (IBM ALM), "I value links from stories/defects to use for coding via tasks and change sets."
Another user says about JIRA, "Multiple features make this product a delight to use. Using it for backlog prioritization is the key to either Kanban or Scrum processes. JIRA does a great job of articulating the story, adding elements to the story and helping with prioritization."
In your opinion, which is better and why?