diff --git a/README.md b/README.md
index f5b7bff0..92694675 100644
--- a/README.md
+++ b/README.md
@@ -1223,6 +1223,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [delve](https://github.com/derekparker/delve) - Go debugger.
 * [dlog](https://github.com/kirillDanshin/dlog) - Compile-time controlled logger to make your release smaller without removing debug calls.
 * [ergo](https://github.com/cristianoliveira/ergo) - The management of multiple local services running over different ports made easy.
+* [evaluator](https://github.com/nullne/evaluator) - Evaluate an expression dynamicly based on s-expression. It's simple and easy to extend. 
 * [excelize](https://github.com/360EntSecGroup-Skylar/excelize) - Golang library for reading and writing Microsoft Excel™ (XLSX) files.
 * [fastlz](https://github.com/digitalcrab/fastlz) - Wrap over [FastLz](http://fastlz.org/) (free, open-source, portable real-time compression library) for GoLang.
 * [filetype](https://github.com/h2non/filetype) - Small package to infer the file type checking the magic numbers signature.