First party add-ons are those developed by BoldMinded to extend and add additional functionality to BoldMinded add-ons. These add-ons are officially supported through the support forum.
Add additional options for controlling which languages member groups can edit, and do it on a per-site basis.
Easily use sub-domains for each language on your site.
Add Publisher support to the Low Search module.
Add Publisher support to the NavEE module.