How to Carry Out an App Validation is an article from Devlight blog that gives you the main approaches to help you understand the market and reduce the risk of losing resources.
Indie Hackers Idea Validation
Ideas and Validation is an Indie Hackers group with over 30,000 members that can help you define, validate and bring your ideas to life.
Validator AI is an AI tool that helps you validate your business ideas from an objective standpoint. You can ask the AI for constructive criticism, feedback, or even what business name sounds better.
Idea Validation by Adstra
Idea Validation by Adstra is an AI tool that generates Idea Validation recommendations for you. Based on your interaction with the recommendation list, it will gradually learn what is helpful to you and what isn't.
Validate your business idea in 4 steps
Validate your business idea in 4 steps is a course from Udemy instructed by Lisa Makarova that teaches you how to validate a business idea and map out business assumptions.