diff --git a/README.md b/README.md
index abf7648..37af3f4 100644
--- a/README.md
+++ b/README.md
@@ -8,14 +8,14 @@ Some links are available to [related resources](#resources).
 
 # Summary
 
-* Apps/tools covered: **1399**
+* Apps/tools covered: **1400**
 * Number of categories: **76**.
 
 # Index
 
 * [AI / ChatGPT](#ai) (19), [Anki, decks and flashcards](#flashcard) (6)
 * [Backup](#backup) (16)
-* [Calculators](#calc) (11), [Chat and instant messaging](#chat) (29), [Clean up of files and directories](#file-dir-cleanup) (11), [Co-pilot](#copilot) (9), [Command launchers](#launcher) (20), [Commands cheatsheet and snippets](#cheatsheet) (18), [Conversion](#conversion) (13)
+* [Calculators](#calc) (11), [Chat and instant messaging](#chat) (30), [Clean up of files and directories](#file-dir-cleanup) (11), [Co-pilot](#copilot) (9), [Command launchers](#launcher) (20), [Commands cheatsheet and snippets](#cheatsheet) (18), [Conversion](#conversion) (13)
 * [Data management](#data-management) (17), [Data management - JSON/YAML/etc.](#data-management-json) (43), [Data management - Tabular data](#data-management-tabular) (26), [Data transfer](#transfer) (40), [DevOps](#devops) (15), [Diff](#diff) (10), [Directory changers (alternatives to cd)](#cd) (19), [Disk usage analyzers](#disk-analyzer) (12)
 * [Editors](#editors) (26), [Email](#email) (15)
 * [File and file system handling](#file-handling) (21), [File deletion and trash bin (alternatives to rm)](#rm) (6), [File explorer and tree visualization](#file-explorer) (11), [File finding (alternatives to find)](#find) (8), [File listing (alternatives to ls)](#ls) (9), [File manager](#file-manager) (19), [File renamers](#file-renamer) (14), [File systems](#file-system) (4), [File watching for changes](#file-watch) (7), [Financial tools](#financial) (12), [Font management](#font) (4), [Funny tools](#funny) (32), [Fuzzy finders and option pickers](#option-picker) (13)
@@ -131,6 +131,7 @@ Clients for chat and other instant messaging protocols, e.g., IRC, Discord, Matt
 * [Telegram messenger CLI](https://github.com/vysheng/tg) - Command-line interface for Telegram using the readline interface.
 * [tgbounce](https://github.com/azhuchkov/tgbounce) - Simple Telegram Assistant that allows replying to messages, clicking buttons from bots, marking messages as read, logging notable messages, and providing desktop notifications, among other features.
 * [tiny](https://github.com/osa1/tiny) - tiny is an IRC client written in Rust.
+* [toot](https://github.com/ihabunek/toot) - Mastodon CLI & TUI.
 * [toxic](https://github.com/Jfreegman/toxic) - A Tox-based instant messaging and video chat client.
 * [ttchat](https://github.com/atye/ttchat) - Twitch chats in the terminal.
 * [tuir](https://gitlab.com/ajak/tuir) - Reddit TUI.
diff --git a/data/apps.csv b/data/apps.csv
index aefb463..d9f18d9 100644
--- a/data/apps.csv
+++ b/data/apps.csv
@@ -1398,3 +1398,4 @@ monitor,tcpterm,,https://github.com/sachaos/tcpterm,tcpterm is a packet visualiz
 utility,tempy,,https://github.com/noprobelm/tempy,"A simple, visually pleasing weather report in your terminal."
 data-management-tabular,textql,,https://github.com/dinedal/textql,Execute SQL against structured text like CSV or TSV.
 utility,tickrs,,https://github.com/tarkah/tickrs,Realtime ticker data in your terminal.
+chat,toot,,https://github.com/ihabunek/toot,Mastodon CLI & TUI.