Eagle (Extensible Adaptable Generalized Logic Engine) is an implementation of the Tcl scripting language for the Common Language Runtime (CLR).

Garuda was presented at the 18th Annual Tcl/Tk Conference.

Eagle was presented at the Alt.NET 2011 Seattle Conference.

Eagle was the subject of a paper at the 17th Annual Tcl/Tk Conference, see "Tcl 2010 Conference Proceedings", ISBN 978-0-578-07483-2.

Eagle was the subject of a paper at the 16th Annual Tcl/Tk Conference, see "Tcl 2009 Conference Proceedings", ISBN 978-0-578-04533-7.

Eagle was presented at the 2009 Lang.NET Symposium.

Eagle was the subject of a paper at the 15th Annual Tcl/Tk Conference, see "Tcl 2008 Conference Proceedings", ISBN 978-0-578-00296-5.

Preliminary support for running on Mono 2.0 or higher has been added. When running on Mono, using version 2.4 or higher is recommended, as several critical issues have been identified and fixed.

The license is "Tcl-style", the exact text of which is available here.