There is an enormous number of interesting programming languages, some of which haven't quite caught the world's attention yet. This is a very incomplete list of some of the little-known ones.

Object Oriented

• Nice
• Dylan
• GOO
• Python
• Ruby
• Squeak
• Loell
• D

Procedural

• Lua

Functional

• Haskell
• Erlang
• Scheme
• Chameleon
• Charity

Logical

• Mercury

Hybrid

• Objective Caml
• Oz/Mozart
• F#
• Needle