AdminLTE vs Flat UI
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
Free Bootstrap 5 admin dashboard template with responsive layouts and dark mode.
Open source · MIT
A flat-style visual theme and component set built on Bootstrap, for ready-made web pages.
The short answer
Choose AdminLTE if you need…
- Developers building an internal admin panel or back-office tool quickly
- Teams that already use Bootstrap and want a consistent dashboard look
- Developers who want a template in their framework, such as React, Vue, Laravel or Django, via the listed sibling editions
- Projects that need dark mode and right-to-left (RTL) layout out of the box
Choose Flat UI if you need…
- Developers who already use or know Bootstrap and want a flatter visual style
- Designers prototyping a website who want a ready-made component look
- Small teams building simple marketing or landing pages quickly
- People who want a free MIT-licensed starting theme
Side-by-side
| AdminLTE | Flat UI | |
|---|---|---|
| Type | Library | Framework |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 45.7k | 15.3k |
| Setup difficulty | Beginner | Beginner |
| How you get it | Install with a package manager | Clone and build from source |
| Main language | Astro | JavaScript |
| Last code update | 5 days ago | 16 months ago |
What each one is
AdminLTE
AdminLTE is a free, MIT-licensed set of ready-made dashboard pages and components built on Bootstrap 5.3, used as the starting point for admin panels and back-office screens. It is responsive across phone and desktop sizes and uses vanilla JavaScript without jQuery. People use it to avoid designing an admin interface from scratch.
Flat UI
Flat UI Free is a set of HTML, CSS, LESS and JavaScript files that restyle Bootstrap's components with a flat, minimal look. Developers use it as a starting point so their websites have a consistent modern appearance without designing every button and form from scratch. It comes with a demo page, documentation and a Photoshop file for design work.
Best for
AdminLTE
- Developers building an internal admin panel or back-office tool quickly
- Teams that already use Bootstrap and want a consistent dashboard look
- Developers who want a template in their framework, such as React, Vue, Laravel or Django, via the listed sibling editions
- Projects that need dark mode and right-to-left (RTL) layout out of the box
Flat UI
- Developers who already use or know Bootstrap and want a flatter visual style
- Designers prototyping a website who want a ready-made component look
- Small teams building simple marketing or landing pages quickly
- People who want a free MIT-licensed starting theme
Strengths
AdminLTE
- Ships a broad set of prebuilt admin pages and components, reducing starting effort
- Available through CDN, npm and Composer, so it fits several workflows
- Released under the MIT license, which permits commercial use
Flat UI
- Free and licensed under MIT (with CC BY 3.0 noted in the README)
- Includes both compiled and minified CSS and JS files plus documentation and examples
- Builds on Bootstrap, a widely known framework
Not ideal for
AdminLTE
- People who want a finished application with a backend, database or login system already built, since this is a front-end template
- Projects not using Bootstrap, since the template is built on Bootstrap 5.3 and its styles would need to be adapted
- Designers looking for a fully custom visual identity, as the default look is a standard admin theme
Flat UI
- Projects that need a large, actively expanding component library, since the README gives no sign of new releases beyond 2.3.0
- Anyone wanting a no-code builder; the README describes a code-based theme
- Teams needing SASS source files directly, since the README points to a third-party SASS port for that
Trade-offs
AdminLTE
- The README describes a documentation overhaul and frequent releases, so checking the version you use against the changelog is advisable
- Being a template, most of its value is in its look and layout; you still need to supply the data and server logic
- The README's development section lists specific Node.js version requirements that you must match to build from source
Flat UI
- The README mentions a Bootstrap base but gives no version compatibility details
- Licensing is listed as both CC BY 3.0 and MIT, and the README asks users to link to the website, so check terms before commercial use
- The repository's last push and release info are not described in the README, so maintenance status is unclear
Getting started
AdminLTE
Install from npm (version 4)
npm install admin-lte@4Install from Composer
composer require almasaeed2010/adminlteFlat UI
Clone the repository
git clone https://github.com/designmodo/Flat-UI.gitInstall dependencies
npm installFrequently asked questions
What is the difference between AdminLTE and Flat UI?
AdminLTE: Free Bootstrap 5 admin dashboard template with responsive layouts and dark mode. Flat UI: A flat-style visual theme and component set built on Bootstrap, for ready-made web pages. AdminLTE suits developers building an internal admin panel or back-office tool quickly, while Flat UI suits developers who already use or know bootstrap and want a flatter visual style.
Are AdminLTE and Flat UI free?
AdminLTE: Free and open source. Flat UI: Free and open source.
Is AdminLTE or Flat UI more popular?
AdminLTE has more GitHub stars (45.7k) than Flat UI (15.3k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to AdminLTE and Flat UI?
Other options people compare them with include Tabler, Gentelella, Bootstrap, Bootswatch, Bootstrap Table.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.