diff --git a/README.md b/README.md
index c473f15..21f145b 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ If you prefer an email, contact me at `toolleeo@gmail.com`.
 
 # Summary
 
-* Apps/tools covered: **1191**
+* Apps/tools covered: **1192**
 * Number of categories: **70**.
 
 # Index
@@ -52,7 +52,7 @@ If you prefer an email, contact me at `toolleeo@gmail.com`.
 * [Office tools](#office) (10), [Online search and resources](#online) (14), [Organizers and calendars](#organizers) (20)
 * [Package managers](#package-manager) (9), [Password managers](#password-manager) (16), [Productivity](#productivity) (9), [Programming](#programming) (45), [Prompts](#prompt) (4)
 * [Religion](#religion) (3)
-* [Science](#science) (16), [Screen recorder](#screen-recorder) (10), [Screen savers](#screensaver) (4), [Security and encryption](#security) (24), [Shells](#shells) (11), [Sound and music](#music) (36), [System monitoring](#monitor) (41), [System tools](#system) (19)
+* [Science](#science) (16), [Screen recorder](#screen-recorder) (10), [Screen savers](#screensaver) (4), [Security and encryption](#security) (24), [Shells](#shells) (11), [Sound and music](#music) (36), [System monitoring](#monitor) (41), [System tools](#system) (20)
 * [Terminals](#terminal) (12), [Text processing](#text-processing) (33), [Text search (alternatives to grep)](#text-search) (10), [Text search and replace (alternatives to sed?)](#text-search-replace) (4), [Time trackers](#time-tracker) (15), [Todo managers](#todo-manager) (26), [Torrent](#torrent) (7), [Typing test and practice](#typing) (7)
 * [Utilities](#utility) (34)
 * [Versioning](#versioning) (6), [Viewers](#viewers) (36)
@@ -1243,6 +1243,7 @@ Music players.
 * [lshw](http://www.ezix.org/project/wiki/HardwareLiSter) - A small tool to provide detailed information on the hardware configuration of the machine. It can report exact memory configuration, firmware version, mainboard configuration, CPU version and speed, cache configuration, bus speed, etc.
 * [mackup](https://github.com/lra/mackup) - Keep your application settings in sync (OS X/Linux).
 * [Ntfy](https://github.com/dschep/ntfy) - Cross-platform Python utility that enables you to automatically get desktop notifications on demand or when long running commands complete. It can as well send push notifications to your phone once a particular command completes.
+* [play](https://github.com/paololazzari/play) - TUI playground for your favorite programs, such as grep, sed and awk.
 * [pulsemixer](https://github.com/GeorgeFilipkin/pulsemixer) - CLI and curses mixer for PulseAudio.
 * [rs-env](https://github.com/sysid/rs-env) - Hierarchical environment variable management, compiling the resulting set of from a hierarchical list of `<name>.env` files.
 * [Rumos](https://github.com/octagony/rumos) - CLI utility for controlling screen brightness.
diff --git a/data/apps.csv b/data/apps.csv
index 320b4e8..e92fcca 100644
--- a/data/apps.csv
+++ b/data/apps.csv
@@ -1190,3 +1190,4 @@ utility,Zsh Angel IQ System,,https://github.com/psprint/zsh-angel-iq-system,"A b
 text-processing,JsonGenius,,https://github.com/semanser/JsonGenius,Self-hosted scraping API that extracts structured data described by a JSON Schema.
 utility,paclear,,https://github.com/orangekame3/paclear,paclear is a clear command with pacman animation.
 note-taking,zk,,https://github.com/mickael-menu/zk,zk is a command-line tool helping you to maintain a plain text Zettelkasten or personal wiki.
+system,play,,https://github.com/paololazzari/play,"TUI playground for your favorite programs, such as grep, sed and awk."