The best alternatives to Retentive are Obsidian, Searchable.ai, and Ariv.ai. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Retentive?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Searchable is your personal search engine for your stuff. Search for documents across apps, cloud and local drives, and get instantly precise results. No more tab surfing here.
Ariv helps you stay organized and easily find information that you need from Slack channels and messages without having to search for it or read every message that pops up. Just tell Ariv what interests you and ask a question when you need to find something.
The All-in-One: Knowledge Base Software with Customizable Help Center Site, Public Roadmap, Embeddable Help Widget, Boosted Announcements & Feedback Collection.