head to head · open source
GreaterWMS vs Open Mercato
GreaterWMS has 4,381 GitHub stars, 1,165 forks, 77 open issues and last shipped yesterday. Open Mercato has 1,748 stars, 413 forks, 1,119 open issues and last shipped yesterday. GreaterWMS leads on adoption by 151% (4,381 vs 1,748 stars). GreaterWMS is written in Python under Apache-2.0; Open Mercato is written in TypeScript under MIT. GreaterWMS has attracted 27% as many forks as stars, Open Mercato 24%. Open Mercato was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| GreaterWMS | Open Mercato | |
|---|---|---|
| GitHub stars | ★ 4.4K | ★ 1.7K |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.2K | ⑂ 413 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GreaterWMS if
- You weight community size — 4.4K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Open Mercato if
- You want the Open Mercato feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Open Mercato fits your workflow better
About GreaterWMS
GreaterWMS is an open source inventory and warehouse management system written in Python and built around Django, Django REST Framework, and a Quasar Vue.js frontend. The project is presented as a warehouse management system for supply chain operations, with topics covering inventory, warehouse management, and SCM. Its origin is described as a system derived from a Ford Asia Pacific after sales logistics warehousing supply chain process, and it is positioned for organizations that need a customizable base platform rather than a fixed commercial package.
read the full GreaterWMS overview →
About Open Mercato
Open Mercato is open source TypeScript foundation for CRM, ERP, commerce apps. It lives in Next.js ecosystem under MIT license. Project is AI engineering framework, not finished business suite. It supplies architecture, conventions, specs, domain modules, agent facing skills. Coding assistants can place and extend code consistently. It targets teams using Cursor, Claude Code, Codex.
read the full Open Mercato overview →
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Frequently asked questions
Is GreaterWMS or Open Mercato more popular?
GreaterWMS has 4,381 GitHub stars and Open Mercato has 1,748. GreaterWMS has the larger community by that measure.
Are GreaterWMS and Open Mercato free?
Both are open source. GreaterWMS is licensed under Apache-2.0 and Open Mercato under MIT. Neither carries a licence fee.
What is the difference between GreaterWMS and Open Mercato?
GreaterWMS is written in Python and Open Mercato 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, GreaterWMS or Open Mercato?
Choose GreaterWMS if you want the larger community (4,381 stars) or its Apache-2.0 licence terms. Choose Open Mercato if its feature set, stack or MIT licence fits better. Both are self-hostable.