diff --git a/readme.md b/readme.md
index 34351f3..87d36bc 100644
--- a/readme.md
+++ b/readme.md
@@ -495,6 +495,7 @@ Inspired by the [awesome](https://github.com/sindresorhus/awesome) list thing.
 - [xiringuito](https://github.com/ivanilves/xiringuito) - A "poor man's VPN". An SSH-based "VPN" that's easy to install, but with slower performance than a real VPN.
 - [nasa-cli](https://github.com/xxczaki/nasa-cli) - Download NASA Picture of the Day from your terminal.
 - [googlr](https://github.com/Camji55/googlr) - Search Google from the command line.
+- [Qalculate](https://github.com/Qalculate/libqalculate) - Calculate non-trival math expressions. Unit conversions, symbolic calculations and more.
 
 ### Emoji