diff --git a/README.md b/README.md
index e582eb0..50c0d44 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ A curated list of awesome command-line frameworks, toolkits, guides and gizmos.
 * [bash](https://www.gnu.org/software/bash/) - GNU Project's shell (Bourne Again SHell)
 * [elvish](https://elv.sh/) - Friendly, expressive shell features like anonymous functions and data structures
 * [fish](https://fishshell.com) - Smart and user-friendly command line shell
+* [ion](https://github.com/redox-os/ion) - A modern system shell that features a simple, yet powerful, syntax. It is written entirely in Rust.
 * [ksh93](https://github.com/att/ast) - Korn Shell
 * [mksh](https://github.com/MirBSD/mksh) - MirBSD Korn Shell
 * [nushell](https://github.com/nushell/nushell) - A modern shell written in Rust