OpenCart vs Thelia
A side-by-side comparison of two self-hosted e-commerce platforms options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | OpenCart | Thelia |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 92 · Excellent | 82 · Excellent |
| Category | E-commerce Platforms | E-commerce Platforms |
| License | GPL-3.0 | LGPL-3.0 |
| Language | PHP | PHP |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, bare-metal, source | bare-metal, source |
| GitHub stars | ★ 8,201 | ★ 879 |
| First released | 2009 | 2013 |
| Replaces | Shopify, Wix Stores | Shopify, PrestaShop |
What are OpenCart and Thelia?
OpenCart
OpenCart is a free, open-source online store management system built in PHP. It is lightweight and easy to set up, with a marketplace of extensions and themes for small to mid-sized retailers.
- Lightweight and quick to install
- Multi-store from one admin
- Extension marketplace
- Multilingual and multi-currency
Thelia
Thelia is a free, open-source e-commerce and content management solution built on Symfony components. It is popular in France and offers a template-based theming system and module marketplace.
- Symfony-based core
- Smarty template engine
- Module marketplace
- Multi-domain support
OpenCart vs Thelia: key differences
Both projects are written in PHP. Licensing differs — GPL-3.0 for OpenCart versus LGPL-3.0 for Thelia. OpenCart is the lighter option, starting around 256 MB of RAM against 512 MB for Thelia. OpenCart is the more established project (first released 2009), while Thelia arrived in 2013. OpenCart has the considerably larger community, at 8,201 GitHub stars versus 879. OpenCart lists first-class Docker deployment; Thelia does not.
Why pick each one
Choose OpenCart if…
- Low resource requirements
- Beginner-friendly setup
Watch out for
- Smaller community than competitors
- Limited advanced features
Choose Thelia if…
- Good documentation in French
- Flexible theming
Watch out for
- Limited adoption outside France
- Smaller community
Frequently asked questions
Is OpenCart or Thelia better?
OpenCart is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Thelia if its specific feature set fits your needs better.
Are OpenCart and Thelia free and open-source?
Yes. OpenCart is licensed under GPL-3.0 and Thelia under LGPL-3.0. Both can be self-hosted at no software cost.
Can I run OpenCart and Thelia with Docker?
OpenCart: yes. Thelia: check the project docs for container support.
Which is lighter on resources, OpenCart or Thelia?
OpenCart has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Thelia. Real-world usage depends on library size, user count, and enabled features.