Notepad.
Seriously, you need a heck of a lot more than a random HN reply to give you Jira alternatives if you've been embedded into its ecosystem for any length of time - and my condolences if you have.
Seriously, you need a heck of a lot more than a random HN reply to give you Jira alternatives if you've been embedded into its ecosystem for any length of time - and my condolences if you have.