GiellaLT provides an infrastructure for rule-based language technology aimed at minority and indigenous languages, and streamlines building anything from keyboards to speech technology. Read more about Why. See also How to get started, and our Privacy document.
The Forrest dtd is documented on their site:
Note that you must write forrest validate before checking in. Running the site locally (f8) is not enough, since your own computer is more tolerant than the Forrest dtd.