diff --git a/README.md b/README.md
index 74f8b38..14b7746 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,7 @@ See a project on here that you love, and wish wasn't on here? Check out our [**N
   * [Social Media](#social-media)
     * [Servers](#servers)
     * [Clients](#clients)
+  * [System Base](#system-base)
   * [System Services and Daemons](#system-services-and-daemons)
   * [Terminal](#terminal)
     * [Terminal Emulators](#terminal-emulators)
@@ -911,6 +912,14 @@ This is for both social media websites and apps.
 | [IceCubesApp](https://github.com/Dimillian/IceCubesApp) | [![Request for Help](./badges/request-for-help.svg)](#request-for-help) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/Dimillian/IceCubesApp/blob/main/CLAUDE.md)) |[Feditext](https://github.com/feditext/feditext) (iOS),<br /> [wafrn-rn] |
 | [Bluesky Social App](https://github.com/bluesky-social/social-app) | [![Request for Help](./badges/request-for-help.svg)](#request-for-help) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/bluesky-social/social-app/blob/177bdcd2b7807c9980dab32e7a5664fc006df40b/CLAUDE.md), [2](https://github.com/bluesky-social/social-app/commit/8c4fc087f8119de5c007b71baaaf02089a346b38), [3](https://github.com/bluesky-social/social-app/commit/612a778361edc0314f92a0451abb98843e7bef9a)) | [wafrn-rn] |
 
+## System Base
+
+This section is strictly for software implementing a core set of UNIX-like utilities and/or directly interfacing with several kernel subsystems. Think potential replacements for coreutils and util-linux.
+
+| Name | Last Untainted Version or Commit ID | Tags and Evidence | Alternative(s) |
+|---|:---:|---|---|
+| [plan9port](https://9fans.github.io/plan9port/) | [`0155f29`](https://github.com/9fans/plan9port/commit/0155f29bdc3cf0cab017fd7b33bf9e93cb9af64c) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/9fans/plan9port/pull/748)) | [9base](https://tools.suckless.org/9base/) |
+
 ## System Services and Daemons
 
 | Name | Last Untainted Version or Commit ID | Tags and Evidence | Alternative(s) |