Foqos allows you to lock apps behind the tap of a NFC tag or scan of a QR code. Free and open source alternative to Brick, Opal, ScreenZen, Unpluq, Scrolly, Blok and more!
Rather not self-host? These services do the same job out of the box.
Hostinger
Hosting & VPS
Affordable hosting, VPS and domains — enough to run a site, n8n, bots or self-host the repos listed here.