Category:Lisp Implementations Category:Scheme Implementations Ol (Otus Lisp) is a purely* functional dialect of derived from::Lisp.

It implements an extended subset of [http://www.schemers.org/Documents/Standards/R5RS/ R⁵RS] ([http://www.r7rs.org R⁷RS] from version 2.0) Scheme including, but not limited to, some of the [http://srfi.schemers.org/ SRFI]s, open source / free software, with a permissive license.

It is small (approx 42kb virtual machine size), embeddable and crossplatform (x86/64, aarch64, arm, powerpc, mips32/64; GNU/Linux, Windows, Unix and *BSDs, Android, webOS, Minoca, Odroid, LattePanda; Web in asm.js form).

Builds and source codes can be found at project [https://yuriy-chumak.github.io/ol/ home page] or [https://github.com/yuriy-chumak/ol Github].