Simon Willison’s Weblog

Protovis. JavaScript graphing library based on canvas, with an elegant chaining style API.

Posted 10th April 2009 at 8:43 am

Recent articles

Vibe scraping and vibe coding a schedule app for Open Sauce 2025 entirely on my phone - 17th July 2025
Happy 20th birthday Django! Here's my talk on Django Origins from Django's 10th - 13th July 2025
Grok: searching X for "from:elonmusk (Israel OR Palestine OR Hamas OR Gaza)" - 11th July 2025

canvas 38 graphs 7 javascript 714 protovis 1 visualisation 15

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