Best flat theme plugins for WordPress
The most popular flat theme plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Bootstrap Flat File Slider leads with 10+ active installs, ahead of WP Flat Admin Theme (10+). All 2 plugins tagged “flat theme” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 2 flat theme plugins
- 1.
Bootstrap Flat File SliderThe most installed flat theme plugin, with 10+ active installs. Rated 5.0 from 5 reviews, last updated 5 years ago. Tested only up to WordPress 5.6.23.
- 2.
WP Flat Admin Theme10+ active installs. Only 2 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.3.34.
All 2 plugins tagged “flat theme”
Bootstrap Flat File Slider
Up in the last 7 days:7,735#39,557by Kiran Patil5 years ago
Twitter Bootstrap based professional WordPress carousel slider plugin.
- Installs
- 10+
- Rating
- 5.0(5)
- Downloads
- 0/day
WP Flat Admin Theme
Down in the last 7 days:4,596#40,915by nickhargreaves11 years ago
This plugin turns a Wordpress admin theme into a nice looking dashboard based on the Flat UI kit by Design Modo and provides a customizable login logo …
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day