Well, there is always J (jsoftware.com), which is the standard open source APL-like language. It also has a columnar database. And a wealth of resources availab

Well, there is always J (jsoftware.com), which is the standard open source APL-like language. It also has a columnar database. And a wealth of resources available on its website/wiki (more than I have seen for any other language's base website).