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.

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

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.

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

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...

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.

A Windows 11 modification utility to make Windows more consistent.

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

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.

An Xposed module meant to redefine your Snapchat experience! Works on both non-rooted and rooted devices!

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.

No-code drag-and-drop builder for WordPress sites with global styling, ready-made templates, app integrations, advanced controls, and seamless collaboration.

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.