For five years, Ottawa’s William Baldwin bent over his writing desk and inscribed, for posterity, the name of every Canadian who died in uniform during the First World War.

Sumo Paint is a more advanced tool for those who want to draw and paint directly in the browser. It’s also available as a regular computer program. However, the latter requires a paid subscription.

It all began with six friends who are artists, chatting about how drawing with pencil or ink on paper is becoming less popular in today’s art scene. This conversation sparked the idea for the ...