Based on our record, Product School seems to be more popular. It has been mentiond 2 times 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.
With that being said, there are also great platforms, blogs, people and sources to learn about PM online. I’d also recommend Mind The Product (https://www.mindtheproduct.com) and Product School (https://productschool.com). Source: about 1 year ago
Also, the product school does them https://productschool.com/. Source: about 1 year ago
HMTMAA - Clever tool to estimate cost of building an app
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Lean Canvas - Business plans take too long to write, are seldom updated, and almost never read by others but documenting your hypotheses is key. Lean Canvas solves this problem using a 1-page business model.
The Product Management guide - A book on how to create and ship products that people love
Omni Calculator - Helping you make rational decisions, one calculation at a time.
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.