The GitKraken client also has a feature called Glo Boards. It is similar to Trello however it has better features that make it more desirable for developers. Here is an article explaining the advantages of Glo Boards over Trello. Here are a few.
You can add a synced board to one of your Github repos. Which means that all cards created on that board will become issues in your Github repo. This basically connects and syncs the two entities so you can track and organize your issues.
Fix #12, Close #10, or Resolve #11 to close issues. Note, make sure the issue number e.g. #10 has one of the keyword in front of it. Don’t do this: Fix #10, #12 , because only #10 will be registered.