Apps with 'Support for Themes' feature Page 2 of 123

Chromium-based browser with preinstalled open-source blockers, default anti-tracking features, no data collection, full extension support, and a minimal interface.

A versatile open-source word processor with robust formatting, style options, and cross-platform availability, ideal for both memos and complex book publishing.

Privacy-focused diagramming software supporting real-time collaboration, offline mode, and cloud storage without ads or registration.

Open-source media player supporting Linux to iOS, highly customizable with plug-ins, supports 4K and diverse formats, privacy-centric and ad-free.

Free, open-source, local-first task manager and time tracker for desktop, web, Android and iOS, with Pomodoro focus and optional self-hosted sync.

A versatile platform for text and voice communication, featuring topic-specific channels, customizable moderation, and smooth low latency interactions.

Fedora creates an innovative, free, and open source platform for hardware, clouds, and containers that enables software developers and community members to build tailored solutions for their users.

Open-source software for creating websites and blogs with an emphasis on accessibility, ease of use, performance, and security.

Free open-source media system alternative to proprietary options, supports Chromecast, 4K streaming, plugin extensions, with privacy focus.

Plasma is a cross-device work environment by the KDE Community where trust is put on the user's capacity to best define their own workflow and preferences.

Open-source media player offering video and audio format support, no ads, and community-driven development. Features include dark theme, codec support, and YouTube compatibility.

Local-first, privacy-focused notebook supporting Markdown and Org mode, offline use, encrypted backup, extensible with plugins, and more.

PeerTube is a free, decentralized and federated video platform developed as an alternative to other platforms that centralize our data and attention, such as YouTube, Dailymotion or Vimeo. But one organization hosting PeerTube alone may not have enough money to pay for bandwidth...

Waterfox is a free, open source web browser focused on privacy out of the box and customisation to your taste. It has built-in ad blocking, private and anonymised DNS, no telemetry and no data collection. Plus, a variety of quality of life features.

Free, open-source video editing with multi-format timelines, frame accurate seeking, and robust capture support up to 4k for diverse projects.

Advanced audio player supporting MP3, FLAC, and more. Features gapless playback, customizable UI, audio CD ripping, ReplayGain, and plugin support.

Fully open-source, end-to-end encrypted notes with device-based security, secure sync, offline access, powerful editor, vault, backups, and exports.

Open-source web browser built on Firefox, prioritizing privacy and anonymity while offering a Chromium-like interface, user customization, and robust tracking protection.

A versatile open-source 3D CAD modeler with modular architecture, suitable for engineering applications across multiple platforms, supporting Python scripting.

Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers.

The Mullvad Browser is a privacy-focused web browser developed in a collaboration between Mullvad VPN and the Tor Project. It’s designed to minimize tracking and fingerprinting. You could say it’s a Tor Browser to use without the Tor Network.

An end-to-end encrypted note-taking by Proton. Offline access, unlimited sync across devices, tagging, passcode and biometric security, plus advanced premium privacy features.

Comprehensive writing tool for notes, citations, and drafting with privacy-first features and multi-language support, perfect for diverse writing tasks.

Blazing fast, collaborative code editor with real-time multi-user support, built-in Vim mode, language-aware syntax trees, integrated terminal, and multi-buffers.

Multi-platform clipboard tool monitoring and saving text, images, and custom formats, with tabs, search, shortcuts, scripting, and customization for efficiency.