Apps with 'Custom themes' feature

Open-source browser with Gecko engine, supporting HTML add-ons and providing privacy features like Enhanced Tracking Protection and third-party cookie blocking.

Obsidian is a note-taking app that lets you create a personal knowledge graph with ease. It is designed for non-linear thinking and allows you to easily link your notes together wiki-style.

Experience instant messaging with remarkable speed and robust security. Join massive group chats or channels. Enjoy free and advanced features.

Highly customizable browser with built-in ad and tracker blockers, Chromium compatibility, advanced tab management, cross-device sync, and strong privacy features.

Clipboard manager storing unlimited history, supporting formatted text, images, HTML, quick search, organization by type, previews, editing, and data grouping.

A workout journal which will provide you with appropriate progressive-overload and well thought-out plans. Now work smarter and harder, so you don’t go another year without a Valentine.

A note-taking tool that gives you memory superpowers. It automatically generates flashcards from your notes and figures out the optimal time to practice each flashcard.

Your one-stop solution for watching anime and reading manga! Packed with powerful features, a sleek UI, and tons of customization options.

Free open-source platform offering instant messaging, VoIP, private DMs, group chats, voice, video, markdown, moderation, search, customization, and self-hosting.

An enhancer/customiser for the all-in-one productivity workspace Notion.

Terminal access and music visualization from the MacBook notch with smooth animations, custom themes, keyboard shortcuts, and Apple Music integration.

A lightweight, secure boot compatible custom theme enabler, supporting Windows 8+, without file modifications.

Read the most important global news in minutes presented as quick and unbiased facts. Forever ad-free and privacy respecting.

Mica For Everyone is a tool to customize system backdrop on Win32 apps using DwmSetWindowAttribute and other methods. It can apply Mica (or any other backdrop materials) on the non-client area (window frame) or background of supported apps and its behavior is customizable...

A Windows 11 modification utility to make Windows more consistent.

A simple, minimalistic ActivityPub server written in portable C.

Generates dynamic QR codes with unlimited creation, scans, lifetime, and advanced customization, supporting in-depth analytics, custom domains, and robust security.

Geckium is a Mozilla Firefox (115 - latest) CSS and JS modification that restores the look and feel of past Chromium (or Google Chrome) releases, spanning from 1.

Toolbar builder for Windows tablets.

Droip is a no-code website builder for WordPress, designed to simplify and scale web creation. With its intuitive drag-and-drop visual editor, users can build responsive, accessible websites without writing code.

Zenplates provides a premium themes and plugins for Zendesk Guide built using a powerful framework that makes customization easy.

Group Video Gifts Made Easy.

Tracks time spent working on projects.

Convert your PDFs into dynamic digital flipbooks even when offline. Access your flipbooks on any device and share them across every channel.

Tiny Ipsum is a small, easily accessible menu bar application that gives you quick access to a large array of placeholder text, also known as Lorem Ipsum - or simply Lipsum. Quickly copy a set of words, sentences, or paragraphs in a ready-to-paste format.