You're right that it's a big concern, but it's a pretty tough sell to solve this problem by just charging so much that it's clear you could not possibly go out of business. I had to go pretty far down the list of your top competitors to find a good one that was open source, but I did find it.
All that said, Retool's pricing at that time was MUCH worse than it is today. This is what Retool was offering us at the time: https://web.archive.org/web/20230315060042/https://retool.co... -- no distinction between developers and end users! No access controls until the $50/user/month level! That was totally out of the question. The current pricing looks a bit more reasonable, but it's too late; we already committed to the competitor offering an open source solution.
