I'm a backend software engineer who often focuses on database automation and developer tools. Maybe niche in terms of expertise, but not niche in terms of market/userbase... a huge number of companies have databases and use developer tools :)

Just to be clear, among the tools I mentioned, I'm the author of Skeema but not any of the others. Skeema is MySQL/MariaDB specific, but I often get asked about similar tools for Postgres, so I try to stay familiar with the landscape.