XLLoop - Excel User-Define Functions in Java, Javascript, Ruby, Python, ErlangExcel User-Defined Functions in Java, Javascript, Ruby, Python, Erlang XLLoop is an open source framework for implementing Excel user-defined functions (UDFs) on a centralised server (a function server). Why is this useful? Functions can be written in any language (e.g. Java, scripting languages etc..) Functions can be added quickly and dynamically without users having to restart Excel. Functions
