I'm working on a new version of the Research Planner Plugin and will upload it to the FH plugin store when it's ready.
l definitely be including the ability to have Global Task Templates (which you can use in all Projects) and Project Specific Task templates (e.g. dependent on Source values which are Project-specific).
Another potential enhancement includes the option to add a date-created to a task (so you can know how dilatory you've been in pursuing it
Personally, I wouldn't use this -- I already know (painfully) what I haven't got around to so a date created/due wouldn't be useful but others might find it useful as an option, so I'd include it as an option if there;s enough demand.