Utilities
Timer
Countdown timer and stopwatch if you hate google ones.
Graph explorer
Explore graphs in real time. (Testing, may not work)
Password generator
Generate a random password. (Testing, may not work as expected)
Random generator
Generate a random number/array/graph/permutation or string as you need.
QR code converter
Convert text to QR code and vice versa.
Division raster
Impressive paper.js project.
Mathlib Explorer
Explore mathlib using a graph.