diff --git a/apps.toml b/apps.toml
index dd9950b9..e564e4b3 100644
--- a/apps.toml
+++ b/apps.toml
@@ -2273,6 +2273,13 @@ state = "working"
 subtags = [ "text", "spreadsheet", "impress" ]
 url = "https://github.com/YunoHost-Apps/onlyoffice_ynh"
 
+[open-web-calendar]
+category = "synchronization"
+potential_alternative_to = [ "Google Agenda", "Microsoft Outlook" ]
+state = "working"
+subtags = [ "calendar" ]
+url = "https://github.com/YunoHost-Apps/open-web-calendar_ynh"
+
 [opennote]
 category = "office"
 level = 8