Based on our record, PM School Challenges seems to be more popular. It has been mentiond 1 time since March 2021. 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.
Here's a website where companies post product challenges where PMs need to develop features or improve them. https://pmschool.io/product-challenges. Source: about 2 years ago
The Product Folks - A volunteer-led community of product managers and makers
Software Product Management Stack - Resources & tools to help you manage your software product
The Data-Driven Product Manager - 8 tips to help smart PMs make data work for them
The Product Management guide - A book on how to create and ship products that people love
XdoX - Start challenges, log your progress and also get a unique profile page!
Product Management Exercises - A repository of product manager job interview exercises