![Catcode](https://ph-files.imgix.net/3845cfd4-d3dd-4d45-a956-c22a7daa3251.gif?auto=format&auto=compress&codec=mozjpeg&cs=strip&w=120&h=120&fit=crop&bg=0fff&dpr=1)
Catcode alternatives and competitors
A catcode is a hand-drawn code that can be associated with any digital content. Use catcodes to enrich your paper notes with text, links, photos, videos, etc. It works like a QR code. Simply scan a Catcode and see what's attached.