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Arc was Paul Graham's take on a modern Lisp. There are some cool essays on it, but I don't think the software itself ever moved much past alpha stage.

• chris_wot 10y ago
  Yeah, I just did a quick bit of reading. Ironically, I think I might be groking lisp because it appears ldap filters are lisp expressions, which I've used quite a few times at work...
• brudgers 10y ago
  It's the language in which Hacker News is implemented and currently developed.
  • krapp 10y ago
    Doesn't HN use a proprietary fork of Arc? I've never been entirely certain what the relationship is between YCombinator and the Arc community, if any, but one experimental and partially black-boxed forum doesn't signal a mature language, just one adequate to a particular task. What else have people done in Arc?
    • Immortalin 10y ago
      Arc has served as material for a lot of speculative blogposts and helped create buzz for the lisp community.
    • brudgers 10y ago
      Being a Lisp, I'm not exactly sure what would constitute a proprietary fork. Furthering my uncertainty is that it [Anarki] is built on Racket and that kinda makes it hard to say one implementation is forked from another. Anyway, I didn't intend to claim that Arc was a mature language.