diff --git a/README.md b/README.md
index b2149ee..e4aa1e4 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@ List of tools useful for online collaborative teams, that we already tested and
 #### Kanban Boards
 
 * Wekan
-* Vikunja
+* [Vikunja](./projectmanagement/vikunja.md)
 * Kanboard
 * Focalboard
 * Redmine
@@ -158,12 +158,88 @@ Feel free to open a PR / Issue or contact us on [matrix](https://matrix.to/#/!Wp
 * [Restya](https://github.com/RestyaPlatform/board/)
 * [Timetagger](https://github.com/almarklein/timetagger)
 * Nextcloud Talk 
+* mumble
 * Znuny
 * Trac
+* openproject (kanban ist epl?)
+* lufi.io
+* zimbra
+
+decision making:
+  * https://consider.it/
+  * https://www.loomio.org/
+
+forum:
+  * discourse
+  * phpbb
+  * eXo
+
+lernplattform:
+  * moodle
+  * illias
+
+mailinglisten:
+  * mailman
+  * sympa
+
+mail-newsletter:
+  * mailtrain
+  * mautic
+
+
+* https://conversations.im/
+* https://delta.chat/en/
+* https://wire.com/de/
+* https://ethercalc.net/ 
+* https://xwiki.com/ 
+* https://keeweb.info/ 
+* keepassXC
+
+social:
+  * humhub
+  * hubzilla
+  * grouprise
+  * diaspora
+  * mastodon
+  * crabgrass
+  * peertube
+  * pixelfed
+
+
+terminfindung:
+  *  https://github.com/kellerben/dudle/ 
+  * framadata
+  * croodle
+  * termino
+
+
+veranstaltung
+  * attendize
+  * indico
+  * openslides
+  * pretalx
+  * pretix
+  * hoffnung 3000
+
+vereinsverwaltung
+  * jverein
+  * hitobito
+  * civicrm  
+
+whiteboard
+  * deadsimplewhiteboard
+  * whitebophir
+
+erp:
+  * erpnext
+  * tryton
+  * groupoffice
+  * metafresh
+
 
 ### CRM
 
 * [Corteza](https://cortezaproject.org/)
 * [SuiteCRM](https://suitecrm.com)
 * [tine](https://www.tine-groupware.de/technik/)
-
+* [solawi](https://www.solidarische-landwirtschaft.org/solawis-aufbauen/it-infrastruktur/software#accordionHead139)