diff --git a/Collectively-owned-instances.md b/Collectively-owned-instances.md
index f326b9d..c12c561 100644
--- a/Collectively-owned-instances.md
+++ b/Collectively-owned-instances.md
@@ -20,12 +20,17 @@ Where the organisation is the/a main purpose of the entity.
 ### Run by a non-profit
 
 * [digitalcourage.social](https://digitalcourage.social) - Digitalcourage e.V., DE, EU *(Mastodon)*
+* [dju.social](https://dju.social) - DJU/Ver.di, DE, EU *(Mastodon)*
+* [freiburg.social](https://freiburg.social) - freiburg.social e.V., DE, EU *(Mastodon)*
 * [mamot.fr](https://mamot.fr) - La Quadrature du Net (LQDN), FR, EU *(Mastodon)*
 * [mastodon.sdf.org](https://mastodon.sdf.org) - SDF, USA *(Mastodon)*
-* [pouet.chapril.org](https://pouet.chapril.org) - Chapril/April, free software association, France *(Mastodon)*
-* [sociale.network](https://sociale.network) - Altrinformazione and Peacelink associations, Italy *(Mastodon)*
+* [mastodon.pirateparty.be](https://mastodon.pirateparty.be) - PPBE, BE, EU *(Mastodon)*
+* [pouet.chapril.org](https://pouet.chapril.org) - Chapril/April, free software association, FR, EU *(Mastodon)*
+* [sociale.network](https://sociale.network) - Altrinformazione and Peacelink associations, IT, EU *(Mastodon)*
 
-Nowadays more are listed on https://joinmastodon.org/servers
+Nowadays more may be listed on https://joinmastodon.org/servers
+
+"Corporate" instances reserved to people who represent the corresponding entity are not listed here; these include party-only instances like [social.linksfraktion.de](https://social.linksfraktion.de), [gruene.social](https://gruene.social). Publicly-owned and government instances are typically listed in the "[notable mentions](https://fediverse.party/en/portal/servers/#notable-mention)" on the main list.
 
 ### Affiliated with a non-profit