Submission Management Tools - HeyPublisher/heypublisher-submission-manager GitHub Wiki
- https://moksha.io/pricing/
- https://www.submittable.com/pricing/
- https://querymanager.com/
- https://www.one-story.com/index.php?page=submgr (this is CLMP's system, though they've recently partnered with Submittable for $29/month package, 500 subs max per month)