Fast, small, safe, gradually typed embeddable scripting language
It is designed to be backward compatible with Lua 5.1, as well as incorporating some features from future Lua releases, but also expands the feature set (most notably with type annotations). Luau is largely implemented from scratch, with the language runtime being a very heavily modified version of Lua 5.1 runtime, with a completely rewritten interpreter and other performance innovations. The runtime mostly preserves Lua 5.1 API, so existing bindings should be more or less compatible with a...
LoLCode1337 (speak lolcode leet) is an implementation of the esoteric programming language lolcode.
It offers a compiler, virtual machine (=interpreter), debugger, internal editor and it's commands set is close to that what other lolcode implementations offer.
More to come soon.