GiellaLT provides rule-based language technology aimed at minority and indigenous languages
There are a number of repositories for shared linguistic resources, such as names, digits, symbols and punctuation. These resources are named according to target language group, or after the language from which the resource is mainly taken.
This is a very recent addition, and more details about how to set up and use shared resources will be added soon.
There is also giella-core, which contains shared build instructions and utilities for all languages.