diff --git a/README.md b/README.md
index 21a38a7..fd5f0f4 100644
--- a/README.md
+++ b/README.md
@@ -471,8 +471,11 @@ If you need an app for **menstrual cycle tracking** please don't use any apps li
     - [OFF Apps](https://world.openfoodfacts.org/open-food-facts-mobile-app)
 
 ### Menstrual cycle trackers
-- <img width="16" src="misc/android.png"> [Drip](https://bloodyhealth.gitlab.io/) - Menstrual cycle and fertility tracking. Everything you enter stays on your device.
+- <img width="16" src="misc/android.png"> [Bluemoon](https://gitlab.com/ngrob/bluemoon-android) - Open source, privacy friendly menstruation tracking app. Your period, your data!
+- <img width="16" src="misc/android.png"> [Drip](https://dripapp.org/) - Menstrual cycle and fertility tracking. Everything you enter stays on your device.
+- [Euki](https://eukiapp.org/) - The period tracker that doesn’t track you. 
 - <img width="16" src="misc/android.png"> [log28](https://github.com/wildeyedskies/log28) - a (very) simple no-frills period tracker for Android.
+- <img width="16" src="misc/android.png"> [Periodical](https://github.com/arnowelzel/periodical) - A calendar to track your menstruation and calculate possible fertile days 
 
 ### Medical health
 - [Fasten](https://github.com/fastenhealth/fasten-onprem) - Fasten is an open-source, self-hosted, personal/family electronic medical record aggregator, designed to integrate with 1000's of insurances/hospitals/clinics.