Ocs A Scheme Interpreter General Ocs is an implementation of Scheme, as defined by R5RS. It is implemented entirely in OCaml and is suitable for embedding in OCaml programs. It is free, open source software, distributed under a permissive (two-clause) BSD-style license. News 2007/8/23 This page restored after replacement of the broken down server. Version 1.0.3 made available for download. 2006/10