Apps to UI Customization

Rainmeter is a free and open-source desktop customization application for Windows. It allows users to display various types of information, such as system metrics, time, weather, and RSS feeds, directly on their desktop through highly customizable 'skins'. It's a popular tool for creating personalized and functional desktop interfaces.

Arch Linux is a lightweight and flexible Linux distribution that follows a rolling-release model. It's designed for users who prefer a "do-it-yourself" approach and desire complete control over their system.

DuckDuckGo is a leading privacy-focused search engine that prioritizes user anonymity and transparent search results. Unlike traditional search engines, it does not track user activity, offering a safe and personal search experience without filter bubbles.

Blender is a comprehensive, free, and open-source 3D creation suite supporting the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, video editing, and 2D animation pipeline.

Inkscape is a powerful, free, and open-source vector graphics editor widely used for creating scalable vector graphics (SVG). It's suitable for a range of design tasks, from illustrations and logos to web graphics and PDF editing, offering a robust set of tools comparable to commercial software.