diff --git a/readme.md b/readme.md
index 8b1530a..62d2a9e 100644
--- a/readme.md
+++ b/readme.md
@@ -322,6 +322,7 @@ Inspired by the [awesome](https://github.com/sindresorhus/awesome) list thing.
 - [DocToc](https://github.com/thlorenz/doctoc) - Generates table of contents for markdown files inside local git repository. Links are compatible with anchors generated by github or other sites.
 - [bat](https://github.com/sharkdp/bat) - A cat(1) clone with wings.
 - [NCDu](https://dev.yorhel.nl/ncdu) - A disk usage analyzer with an ncurses interface.
+- [unix-permissions](https://github.com/ehmicky/unix-permissions) - Swiss Army knife for Unix permissions
 
 ### Directory Listing