Simon Willison’s Weblog

Prawn (via) Really nice PDF generation library for Ruby, used to generate Dopplr’s beautiful end of year reports.

Posted 16th January 2009 at 4:04 pm

Recent articles

NVIDIA DGX Spark: great hardware, early days for the ecosystem - 14th October 2025
Claude can write complete Datasette plugins now - 8th October 2025
Vibe engineering - 7th October 2025

dopplr 12 pdf 38 prawn 1 ruby 72

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe