Simon Willison’s Weblog

Promise and Peril for Alternative Ruby Impls. Charles Nutter’s detailed and opinionated overview of the state of twelve different Ruby implementations (six of which are covered in detail).

Posted 27th April 2008 at 2:18 pm

Recent articles

Wilson Lin on FastRender: a browser built by thousands of parallel agents - 23rd January 2026
First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026

charles-nutter 2 ironruby 2 jruby 3 macruby 1 rubinius 2 ruby 72

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