If it's an app downloaded directly from a developer you trust, sure.
How does one know if a developer is trustworthy?!!
Specifically, is Howard Knight trustworthy? The image shown here https://developer.apple.com/forums/thread/751792 says he's not an "identified developer".
How do you know if a developer is trustworthy? Well, this is where common sense kicks in. Here's the product page for Mints: https://eclecticlight.co/mints-a-multifunction-utility/
Howard Oakley has tons of utilities on his blog and he updates it multiple times per month with new articles and frequently responds to comments on his posts. That's a lot of effort for someone if they were offering up untrustworthy software.