Codename: CRAWL

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CRAWL is a programming language that was being developed as a modeling language for evolvable computer programs, also known as genetic algorithms. It was inspired primarily by Avida, an "auto-adaptive genetic system" created by researchers at the California Institute of Technology. The syntax and basic structure of the language was derived from Befunge, but was planned to utilize function spaces and stricter control over multi-threading, along with a redeveloped stack.

Alas, while Avida continues to thrive, little has been found of the esolang it inspired. It seems likely it was never finished, and the author himself removed the (unarchived) link that was once here.

External resources

• Old EsoForum post on CRAWL
• Current Avida homepage
• Avida Homepage at Cal Tech (from the Wayback Machine; retrieved on 15 April 2009)