Software: Add "Unhook YouTube" browser extension

* Automatically reformat ToC.

software/README.md

@@ -2,96 +2,95 @@
 
 # Table of contents
 
-- [Table of contents](#table-of-contents)
-- [Free Software](#free-software)
-  - [Discounts](#discounts)
-  - [Free access](#free-access)
-    - [Mixed: Discounts & Free](#mixed-discounts--free)
-  - [Free software](#free-software-1)
-    - [2D animation](#2d-animation)
-    - [3D animation](#3d-animation)
-    - [3D prototyping](#3d-prototyping)
-    - [Antivirus](#antivirus)
-    - [Audio](#audio)
-      - [Players](#players)
-      - [Production](#production)
-      - [Recording & Editing](#recording--editing)
-    - [Automation](#automation)
-      - [File management](#file-management)
-      - [Services](#services)
-      - [Time tracking](#time-tracking)
-    - [Bug Tracker](#bug-tracker)
-    - [Burning CDs/DVDs](#burning-cdsdvds)
-    - [Clipboard manager](#clipboard-manager)
-    - [Cloud IDE](#cloud-ide)
-    - [Code snippets savers](#code-snippets-savers)
-    - [Cross-platform compatibility](#cross-platform-compatibility)
-    - [Data compression](#data-compression)
-    - [Data converter](#data-converter)
-    - [Data storage & syncronization](#data-storage--syncronization)
-    - [Desktop publishing](#desktop-publishing)
-    - [Documentation](#documentation)
-    - [Ebook readers](#ebook-readers)
-    - [Format checker & validator](#format-checker--validator)
-    - [FTP](#ftp)
-    - [Graphics software](#graphics-software)
-    - [IDE (Integrated Development Environment)](#ide-integrated-development-environment)
-    - [Image processing](#image-processing)
-    - [LaTeX](#latex)
-      - [Online editors](#online-editors)
-      - [Plugins](#plugins)
-      - [Distributions](#distributions)
-      - [TeX editors](#tex-editors)
-    - [Learning environment](#learning-environment)
-    - [Mathematical tools](#mathematical-tools)
-    - [Mind mapping](#mind-mapping)
-    - [Office suite](#office-suite)
-    - [Operating Systems](#operating-systems)
-      - [Linux distributions](#linux-distributions)
-        - [Beginner-friendly](#beginner-friendly)
-    - [Password managers](#password-managers)
-    - [PDF editors](#pdf-editors)
-    - [PDF viewers](#pdf-viewers)
-    - [Presentation sharing](#presentation-sharing)
-    - [Productivity](#productivity)
-      - [All-in-one organization](#all-in-one-organization)
-      - [Conversations with teams](#conversations-with-teams)
-      - [Emails](#emails)
-      - [Habit tracker](#habit-tracker)
-      - [Managing documents](#managing-documents)
-      - [Note taking](#note-taking)
-      - [Tasks and project management](#tasks-and-project-management)
-      - [Writing assistant](#writing-assistant)
-    - [Programming tools](#programming-tools)
-      - [Python](#python)
-        - [Data science](#data-science)
-    - [RSS/Atom readers/aggregators - Keeping on top of news](#rssatom-readersaggregators---keeping-on-top-of-news)
-    - [Screen recorders](#screen-recorders)
-      - [Beginner friendly](#beginner-friendly-1)
-      - [More advanced](#more-advanced)
-    - [Screenshot tools](#screenshot-tools)
-    - [Source code explorers](#source-code-explorers)
-    - [System utilities](#system-utilities)
-    - [Text editors](#text-editors)
-      - [Beginner friendly](#beginner-friendly-2)
-    - [Time trackers](#time-trackers)
-    - [Touch typing](#touch-typing)
-    - [UML diagrams](#uml-diagrams)
-    - [UX/UI design](#uxui-design)
-    - [Version control system](#version-control-system)
-    - [Video communication](#video-communication)
-    - [Video conversion](#video-conversion)
-    - [Video edition](#video-edition)
-    - [Video player](#video-player)
-    - [Virtualization (running other operating system without installation)](#virtualization-running-other-operating-system-without-installation)
-    - [VPN (unblock Coursera and other restricted content)](#vpn-unblock-coursera-and-other-restricted-content)
-    - [Web browsers](#web-browsers)
-      - [Especially useful for web development](#especially-useful-for-web-development)
-      - [Extensions - Plugins](#extensions---plugins)
-        - [Firefox](#firefox)
-          - [Remove distractions](#remove-distractions)
-        - [Google Chrome](#google-chrome)
-          - [Remove distractions](#remove-distractions-1)
+- [Discounts](#discounts)
+- [Free access](#free-access)
+  - [Mixed: Discounts & Free](#mixed-discounts--free)
+- [Free software](#free-software)
+  - [2D animation](#2d-animation)
+  - [3D animation](#3d-animation)
+  - [3D prototyping](#3d-prototyping)
+  - [Antivirus](#antivirus)
+  - [Audio](#audio)
+    - [Players](#players)
+    - [Production](#production)
+    - [Recording & Editing](#recording--editing)
+  - [Automation](#automation)
+    - [File management](#file-management)
+    - [Services](#services)
+    - [Time tracking](#time-tracking)
+  - [Bug Tracker](#bug-tracker)
+  - [Burning CDs/DVDs](#burning-cdsdvds)
+  - [Clipboard manager](#clipboard-manager)
+  - [Cloud IDE](#cloud-ide)
+  - [Code snippets savers](#code-snippets-savers)
+  - [Cross-platform compatibility](#cross-platform-compatibility)
+  - [Data compression](#data-compression)
+  - [Data converter](#data-converter)
+  - [Data storage & syncronization](#data-storage--syncronization)
+  - [Desktop publishing](#desktop-publishing)
+  - [Documentation](#documentation)
+  - [Ebook readers](#ebook-readers)
+  - [Format checker & validator](#format-checker--validator)
+  - [FTP](#ftp)
+  - [Graphics software](#graphics-software)
+  - [IDE (Integrated Development Environment)](#ide-integrated-development-environment)
+  - [Image processing](#image-processing)
+  - [LaTeX](#latex)
+    - [Online editors](#online-editors)
+    - [Plugins](#plugins)
+    - [Distributions](#distributions)
+    - [TeX editors](#tex-editors)
+  - [Learning environment](#learning-environment)
+  - [Mathematical tools](#mathematical-tools)
+  - [Mind mapping](#mind-mapping)
+  - [Office suite](#office-suite)
+  - [Operating Systems](#operating-systems)
+    - [Linux distributions](#linux-distributions)
+      - [Beginner-friendly](#beginner-friendly)
+  - [Password managers](#password-managers)
+  - [PDF editors](#pdf-editors)
+  - [PDF viewers](#pdf-viewers)
+  - [Presentation sharing](#presentation-sharing)
+  - [Productivity](#productivity)
+    - [All-in-one organization](#all-in-one-organization)
+    - [Conversations with teams](#conversations-with-teams)
+    - [Emails](#emails)
+    - [Habit tracker](#habit-tracker)
+    - [Managing documents](#managing-documents)
+    - [Note taking](#note-taking)
+    - [Tasks and project management](#tasks-and-project-management)
+    - [Writing assistant](#writing-assistant)
+  - [Programming tools](#programming-tools)
+    - [Python](#python)
+      - [Data science](#data-science)
+  - [RSS/Atom readers/aggregators - Keeping on top of news](#rssatom-readersaggregators---keeping-on-top-of-news)
+  - [Screen recorders](#screen-recorders)
+    - [Beginner friendly](#beginner-friendly-1)
+    - [More advanced](#more-advanced)
+  - [Screenshot tools](#screenshot-tools)
+  - [Source code explorers](#source-code-explorers)
+  - [System utilities](#system-utilities)
+  - [Text editors](#text-editors)
+    - [Beginner friendly](#beginner-friendly-2)
+  - [Time trackers](#time-trackers)
+  - [Touch typing](#touch-typing)
+  - [UML diagrams](#uml-diagrams)
+  - [UX/UI design](#uxui-design)
+  - [Version control system](#version-control-system)
+  - [Video communication](#video-communication)
+  - [Video conversion](#video-conversion)
+  - [Video edition](#video-edition)
+  - [Video player](#video-player)
+  - [Virtualization (running other operating system without installation)](#virtualization-running-other-operating-system-without-installation)
+  - [VPN (unblock Coursera and other restricted content)](#vpn-unblock-coursera-and-other-restricted-content)
+  - [Web browsers](#web-browsers)
+    - [Especially useful for web development](#especially-useful-for-web-development)
+    - [Extensions - Plugins](#extensions---plugins)
+      - [Cross-browser](#cross-browser)
+      - [Firefox](#firefox)
+        - [Remove distractions](#remove-distractions)
+      - [Google Chrome](#google-chrome)
+        - [Remove distractions](#remove-distractions-1)
 
 ---
 
@@ -562,6 +561,10 @@ See also [Graphics software](#graphics-software).
 
 #### Extensions - Plugins
 
+##### Cross-browser
+
+- [Unhook YouTube](https://unhook.app/) - _"Watch YouTube free of distractions. Block suggestion feeds, comments, and more."_
+
 ##### Firefox
 
 ###### Remove distractions