The best alternatives to PubPub are Time for Startups, Userflow, and 9mCollab. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of PubPub?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Build truly sophisticated user onboarding experiences. React to any element or event in your app using “if this, then that” rules, do branching, and segmentation of users.
With 9mCollab you will enjoy well structured, distraction free communication, that is seamlessly transferred into knowledge base through a highly efficient conclusions driven process.