Downloads, by language

C++

Marvin

Squeak/Smalltalk

trygve

DCI Libraries, by language

Haxe

haxedci
Author: Andreas Söderlund

Javascript

babel-dci
Author: Matt Browne

PHP

dci-php
Author: Matt Browne

Python

Roles
Author: Arjan Molenaar

Ruby

Maroon
Author: Rune Funch

Scala

ScalaDCI
Author: Marc Grue

Partial implementations

The following libraries have some limitations, doesn't have true DCI semantics, or is proof-of-concept.

C#

ivento-dci
Author: Andreas Söderlund

Javascript

Runtime-only implementation
Author: Egon Elbre

PHP

DCISniffer
Author: Andreas Söderlund