I played around with Forth last year and found it very fun. Similar to Lisp it has a simple ruleset with which you can build up abstractions that almost look l

I played around with Forth last year and found it very fun. Similar to Lisp it has a simple ruleset with which you can build up abstractions that almost look like a DSL. I'd say it sits somewhere between Assembly and C. It's like writing assembly but you don't have to worry about register assignment.