https://github.com/concourse/tracker-resource
I'm not aware of any others. It might not do quite what you want - it's more about pushing the progress of the CI pipeline into Tracker than about bringing information from Tracker into the CI pipeline.
However, resources are fairly easy to write:
https://concourse.ci/resources.html
So if your task tracker of choice has an API (or a command-line tool!), it should be kind of easy to build an equivalent.
https://github.com/concourse/tracker-resource
I'm not aware of any others. It might not do quite what you want - it's more about pushing the progress of the CI pipeline into Tracker than about bringing information from Tracker into the CI pipeline.
However, resources are fairly easy to write:
https://concourse.ci/resources.html
So if your task tracker of choice has an API (or a command-line tool!), it should be kind of easy to build an equivalent.