diff --git a/content/u/projects/opensource/contents.lr b/content/u/projects/opensource/contents.lr
index 45425fe..0723488 100644
--- a/content/u/projects/opensource/contents.lr
+++ b/content/u/projects/opensource/contents.lr
@@ -30,7 +30,9 @@ Infrastructure project](https://redmine.ungleich.ch/projects/open-infrastructure
 in 2018 to open source our infrastructure and have others profit from
 our experiences. We also released the
 [ungleich-tools](https://code.ungleich.ch/ungleich-public/ungleich-tools)
-that we use to manage or support the infrastructure.
+that we use to manage or support the infrastructure. Or you can find
+checkout the [backup tool
+ccollect](https://www.nico.schottelius.org/software/ccollect/) that we maintain.
 
 
 ## Open Source at ungleich today
@@ -50,6 +52,7 @@ Mattermost and Matrix.
 
 ## SEE ALSO
 
+* [ccollect](https://www.nico.schottelius.org/software/ccollect/)
 * [Open Chat](../open-chat)
 * [Open Infrastructure](https://redmine.ungleich.ch/projects/open-infrastructure)
 * [Public ungleich git repositories](https://code.ungleich.ch/ungleich-public/)