JIRA. It's powerful, customizable, flexible and drives workflows and productivity across millions of companies around the world. It's the SAP of issue tracking. Despite all the baggage, they still try continuously to improve the UX of the software so it stays relevant and relatively usable.
There's definitely problems with it (its performance can be awful and require dedicated server clusters to keep it up at larger orgs), but come on let's be honest, it's a huge success story and lets orgs do things "their way" with project management and software development.
There's definitely problems with it (its performance can be awful and require dedicated server clusters to keep it up at larger orgs), but come on let's be honest, it's a huge success story and lets orgs do things "their way" with project management and software development.