upcoach might be a bit more popular than Kintell. We know about 1 link to it since March 2021 and only 1 link to Kintell. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
One more thing: there are lots of platforms like Kintell https://kintell.com/ that can be used to test out consulting or advising business ideas. You'd need to have really solid expertise to offer of course, but as a way to test the market viability this is how I'd start. Source: over 2 years ago
I used https://upcoach.com/ to setup a web dev accelerator in weekend for a mentor. Source: 10 months ago
Superpeer Channels - Beautiful livestreams with your subscribers
LEADx - Coaching for next-gen leaders
Introwise - All-in-one scheduling and business management platform for coaches, tutors and consultants to run their business online.
MentSpot - Find a mentor or become one for free
Warmspace - Tech-powered conversations that transform relationships in work and life.
Tribe of Mentors - Short life advice from the best in the world, by Tim Ferriss