Current implementations (Dec 2008)

• "Rakudo Perl" (Perl 6 on Parrot)
• http://www.parrotcode.org/

• Pugs (Haskell)
• http://www.pugscode.org/

• KindaPerl6 / smop
• bootstrapping version of Perl 6, C-based engine

• Elf
• Ruby-based grammar, p6 with p5 backend