The best alternatives to Coda Platform are UXPin, Talebook, and Heroic Labs. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Coda Platform?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Talebook is a web, research tool made by designers for designers. The app has been created with a mission to simplify the user experience design process.
HacknPlan simplifies the organization of a game development project and makes the team productive. It brings a dynamic game design document builder and an agile project management system together to provide a streamlined and efficient tool that covers the full planning workflow of a game development team.