diff --git a/README.md b/README.md
index 397c424..f3da2f0 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@ If you want to contribute, please read [this](CONTRIBUTING.md).
   - [Applications written in Rust](#applications-written-in-rust)
     - [Games](#games)
     - [Operating systems](#operating-systems)
+    - [System tools](#system-tools)
   - [Development Tools](#development-tools)
     - [Debugging](#debugging)
     - [Embedded](#embedded)
@@ -71,12 +72,6 @@ If you want to contribute, please read [this](CONTRIBUTING.md).
 * [qmx/limonite](https://github.com/qmx/limonite) — static blog/website generator [<img src="https://travis-ci.org/qmx/limonite.svg?branch=master">](https://travis-ci.org/qmx/limonite)
 * [seppo0010/rsedis](https://github.com/seppo0010/rsedis) — a Redis reimplementation [<img src="https://travis-ci.org/seppo0010/rsedis.svg?branch=master">](https://travis-ci.org/seppo0010/rsedis)
 * [Servo](https://github.com/servo/servo) — a prototype web browser engine
-* System tools
-  * [Aaronepower/tokei](https://github.com/Aaronepower/tokei) — counts the lines of code [<img src="https://img.shields.io/travis/Aaronepower/tokei.svg">](https://travis-ci.org/Aaronepower/tokei)
-  * [buster/rrun](https://github.com/buster/rrun) — a command launcher for Linux, similar to gmrun  [<img src="https://travis-ci.org/buster/rrun.svg?branch=master">](https://travis-ci.org/buster/rrun)
-  * [ogham/exa](https://github.com/ogham/exa) — a replacement for 'ls' written in Rust [<img src="https://travis-ci.org/ogham/exa.svg?branch=master">](https://travis-ci.org/ogham/exa)
-  * [mmstick/systemd-manager](https://github.com/mmstick/systemd-manager) -- a systemd service manager written in Rust using GTK-rs.
-  * [uutils/coreutils](https://github.com/uutils/coreutils) — a cross-platform Rust rewrite of the GNU coreutils [<img src="https://travis-ci.org/uutils/coreutils.svg?branch=master">](https://travis-ci.org/uutils/coreutils)
 * Virtualization
   * [tailhook/vagga](https://github.com/tailhook/vagga) — a containerization tool without daemons [<img src="https://travis-ci.org/tailhook/vagga.svg?branch=master">](https://travis-ci.org/tailhook/vagga)
 
@@ -92,8 +87,16 @@ If you want to contribute, please read [this](CONTRIBUTING.md).
 
 [A comparison of operating systems written in Rust](https://github.com/flosse/rust-os-comparison)
 
-  * [redox-os/redox](https://github.com/redox-os/redox) — [<img src="https://travis-ci.org/redox-os/redox.svg?branch=master">](https://travis-ci.org/redox-os/redox)
-  * [thepowersgang/rust_os](https://github.com/thepowersgang/rust_os) — [<img src="https://travis-ci.org/thepowersgang/rust_os.svg?branch=master">](https://travis-ci.org/thepowersgang/rust_os)
+* [redox-os/redox](https://github.com/redox-os/redox) — [<img src="https://travis-ci.org/redox-os/redox.svg?branch=master">](https://travis-ci.org/redox-os/redox)
+* [thepowersgang/rust_os](https://github.com/thepowersgang/rust_os) — [<img src="https://travis-ci.org/thepowersgang/rust_os.svg?branch=master">](https://travis-ci.org/thepowersgang/rust_os)
+
+### System tools
+
+* [Aaronepower/tokei](https://github.com/Aaronepower/tokei) — counts the lines of code [<img src="https://img.shields.io/travis/Aaronepower/tokei.svg">](https://travis-ci.org/Aaronepower/tokei)
+* [buster/rrun](https://github.com/buster/rrun) — a command launcher for Linux, similar to gmrun  [<img src="https://travis-ci.org/buster/rrun.svg?branch=master">](https://travis-ci.org/buster/rrun)
+* [ogham/exa](https://github.com/ogham/exa) — a replacement for 'ls' written in Rust [<img src="https://travis-ci.org/ogham/exa.svg?branch=master">](https://travis-ci.org/ogham/exa)
+* [mmstick/systemd-manager](https://github.com/mmstick/systemd-manager) -- a systemd service manager written in Rust using GTK-rs.
+* [uutils/coreutils](https://github.com/uutils/coreutils) — a cross-platform Rust rewrite of the GNU coreutils [<img src="https://travis-ci.org/uutils/coreutils.svg?branch=master">](https://travis-ci.org/uutils/coreutils)
 
 
 ## Development tools