The best alternatives to Napkin are IdeasAI, Board of Innovation, and Captain Share. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Napkin?
1-800-D2C— Helping brands find the best tech stacks in the world.
This is my first app powered by OpenAI. It uses an autoregressive language model w/ deep learning to generate new product and business ideas. I hope you like it and get inspired!