TextTemplating is a project mainly written in C# and SHELL, it's free.
subpath of monodevelop: https://github.com/mono/monodevelop/tree/master/main/src/addins/TextTemplating
This is the TextTemplating tool inluded in MonoDevelop. The original location of these files is https://github.com/mono/monodevelop/tree/master/main/src/addins/TextTemplating
Run build.cmd or open TextTemplating.sln in visual studio 2010 Dotnet framework 4 must be installed.
Licensed under the MIT/X11 license: http://www.opensource.org/licenses/mit-license.php