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  Jess 3 Jun 15

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  Obfuscated Tiny C Compiler 3 Jun 15

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  Z-machine Preservation Project 2 Jun 15

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  R 17 Feb 15

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  Open Virtual Machine Language 20 Feb 15

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  Regina Rexx Interpreter 3 Jun 15

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  Frost 3 Jun 15

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  CMake 16 Aug 18