We tend to use GitHub for everything at Ombu Labs, but sometimes our clients prefer Pivotal Tracker. We have no problem with Pivotal Tracker, we just like to keep everything in one place, that is why we prefer GitHub for everything.
There are many things that are easier with Pivotal Tracker, as long as you are using it the right way. Some of its features are very useful for agile teams like ours. This is how we like to use it to ship value with every sprint and keep track of our velocity.Read more »