Software · Utilities & files

ThemeGenerator

Generate Styles with Style.

Completely free
Linux
Open source

Overview

Features described in its Flathub listing and in its GitHub repository: Markdown support, themes and dark mode.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Interested in Styling Markdown in GtkSourceView, gedit, ThiefMD, or Ulysses?” — GitHub, 10 November 2026
“Generate Light and Dark Themes that can be exported to GtkSourceView Style Schemes or a single light and dark theme that can be used with Ulysses or ThiefMD.” — GitHub, 10 November 2026

At a glance

All of ThemeGenerator is free: no feature is locked behind a paid plan, and its code is open.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
Commercial use allowed

About

Need to generate a Ultheme or GtkSourceView Scheme for Markdown? Look no further. Themes are compatible with ThiefMD, gedit, GNOME Builder, Editors based on GtkSourceView, and Ulysses.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Last technical check: 8 November 2026
Description from Flathub — AppStream (Flathub)

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