There are house swap programs out there like knock.com and orchard that tap into your current equity to make a purchase first then sell scenario doable. Source: over 1 year ago

Our goal at Knock is to empower people to move freely. A large part of acheiving that goal is to make real estate transactions as easy and seamless as possible for our customers. Real estate transactions are very complicated. Calling them a "big ball of mud" is being gracious. If we could sum up such transactions up in one image, it would be the image of Charlie Day explaining how a person named Pepe Silvia... - Source: dev.to / almost 3 years ago

Knock.com is built with Open Source Software (OSS). It permeates our technology stack from the interactive website all the way through to the services and systems that power our infrastructure. We depend on OSS, and we are excited to start contributing back to our community. Doing so aligns well with a couple of our core values, which we call POPSICLE, "people first" and “open”:. - Source: dev.to / about 3 years ago

From what I've seen of ProdPad it looks like an amazing piece of software, and one which I think would make my life as an aspiring product manager much easier - but it's very expensive. Source: over 2 years ago