diff --git a/readme.md b/readme.md
index 81a45b80..6a10ebae 100644
--- a/readme.md
+++ b/readme.md
@@ -579,6 +579,7 @@
 - [Theravada](https://github.com/johnjago/awesome-theravada#readme) - Teachings from the Theravada Buddhist tradition.
 - [inspectIT](https://github.com/inspectit-labs/awesome-inspectit#readme) - Open source Java app performance management tool.
 - [Open Source Maintainers](https://github.com/nayafia/awesome-maintainers#readme) - The experience of being an open source maintainer.
+- [Calculators](https://github.com/xxczaki/awesome-calculators#readme) - Calculators for every platform.
 
 
 ## License