head to head · open source
Sylius vs mercur
Sylius has 8,565 GitHub stars, 2,166 forks, 225 open issues and last shipped yesterday. mercur has 1,881 stars, 478 forks, 4 open issues and last shipped 2 days ago. Sylius leads on adoption by 355% (8,565 vs 1,881 stars). Sylius is written in PHP under MIT; mercur is written in TypeScript under MIT. Sylius has attracted 25% as many forks as stars, mercur 25%. Sylius was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ecommerce), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Sylius | mercur | |
|---|---|---|
| GitHub stars | ★ 8.6K | ★ 1.9K |
| License | MIT | MIT |
| Written in | PHP | TypeScript |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.2K | ⑂ 478 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sylius if
- You weight community size — 8.6K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick mercur if
- You want the mercur feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and mercur fits your workflow better
About Sylius
Sylius is an Open Source eCommerce framework on top of Symfony . The highest quality of code, strong testing culture, built in Agile (BDD) workflow and exceptional flexibility make it the best solution for applications tailored to your business requirements. Powerful REST API allows for easy integrations and creating unique customer experience on any device. We're using full stack Behavior Driven Development, with PHPUnit and Behat. Enjoy being an eCommerce Developer again! ⚙️ Installation Install Sylius with Composer (see requirements details). Follow the Getting started with Sylius tutorial! 📖 Documentation…
read the full Sylius overview →
About mercur
Mercur The open source marketplace platform. A Mirakl alternative. Website · Documentation · Live Demo · Discord What is Mercur Mercur is an open source, headless platform for building multi vendor marketplaces. Add vendor onboarding, multi vendor catalogs, offers, commissions, and automated payouts on top of a commerce core you can change at its foundation. Run B2C, B2B, and hybrid marketplaces without choosing between a profit draining SaaS platform and a build from scratch. Own your marketplace, no fees : Self host on your own infrastructure with full source access. No percentage of GMV, no per transaction…
read the full mercur overview →
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Frequently asked questions
Is Sylius or mercur more popular?
Sylius has 8,565 GitHub stars and mercur has 1,881. Sylius has the larger community by that measure.
Are Sylius and mercur free?
Both are open source. Sylius is licensed under MIT and mercur under MIT. Neither carries a licence fee.
What is the difference between Sylius and mercur?
Sylius is written in PHP and mercur in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Sylius or mercur?
Choose Sylius if you want the larger community (8,565 stars) or its MIT licence terms. Choose mercur if its feature set, stack or MIT licence fits better. Both are self-hostable.