The Rosetta Code project is quite interesting:
The idea is to present solutions to the same task in as many different languages as possible, to demonstrate how languages are similar and different, and to aid a person with a grounding in one approach to a problem in learning another. Rosetta Code currently has 1,298 tasks, 383 draft tasks, and is aware of 952 languages, though we do not (and cannot) have solutions to every task in every language.
There is a page for Factor with some programming language history, notes, and a list of tasks not implemented in Factor. If you are new to learning Factor, this might be a fun way to learn and contribute.
The rosetta-code
vocabulary includes words for scraping solutions from
Rosetta Code, while the rosetta-code/solutions
directory contains all
the currently scraped solutions.
Currently this is a fair amount of code:
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Language Files Lines Code Comments Blanks
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Factor 1669 74795 12525 56386 5884
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