diff --git a/readme.md b/readme.md
index dc7225d..5bd678f 100644
--- a/readme.md
+++ b/readme.md
@@ -277,6 +277,7 @@ Inspired by the [awesome](https://github.com/sindresorhus/awesome) list thing.
 - [calcurse](http://calcurse.org/) - Calendar and scheduling.
 - [gcalcli](https://github.com/insanum/gcalcli) - Google calendar client.
 - [khal](https://github.com/pimutils/khal) - CalDAV ready CLI and TUI calendar.
+- [vidirsyncer](https://github.com/pimutils/vdirsyncer) - CalDAV sync.
 
 ## Utilities