What solo-founder products launched today
Today's solo-launch wave is Show HN-heavy: @binsquare's Smol machines (482 points / 144 comments, Rust + libkrun, subsecond VM cold starts) and @fouronnes3's interval calculator (308 points / 51 comments) lead; @seanieb's PanicLock (256 points) disables TouchID on lid close for border-crossing scenarios.
Copy PanicLock's shape — a 70-line Swift/Rust wrapper for one sudo command, sold as a $5 one-time "security paranoia" product. The category is wide open because the buyer is a journalist or lawyer who does not read HN.
When the one-liner gets posted publicly within 60 minutes of the Show HN, willingness-to-pay for the GUI wrapper decays fast; this is a 2-week category, not a 2-year one.