head to head · open source
GreaterWMS vs guac
GreaterWMS has 4,381 GitHub stars, 1,165 forks, 77 open issues and last shipped yesterday. guac has 1,540 stars, 215 forks, 89 open issues and last shipped 2 days ago. GreaterWMS leads on adoption by 184% (4,381 vs 1,540 stars). GreaterWMS is written in Python under Apache-2.0; guac is written in Go under Apache-2.0. GreaterWMS has attracted 27% as many forks as stars, guac 14%. GreaterWMS 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 | guac | |
|---|---|---|
| GitHub stars | ★ 4.4K | ★ 1.5K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 1.2K | ⑂ 215 |
| 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 guac if
- You want the guac feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and guac 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 guac
GUAC is an OpenSSF incubating project under the Supply Chain Integrity WG that aggregates software security metadata into a high fidelity graph database. It is written in Go, released under Apache 2.0, and positioned in the software supply chain security ecosystem as the aggregation and synthesis layer of the supply chain transparency model.
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Frequently asked questions
Is GreaterWMS or guac more popular?
GreaterWMS has 4,381 GitHub stars and guac has 1,540. GreaterWMS has the larger community by that measure.
Are GreaterWMS and guac free?
Both are open source. GreaterWMS is licensed under Apache-2.0 and guac under Apache-2.0. Neither carries a licence fee.
What is the difference between GreaterWMS and guac?
GreaterWMS is written in Python and guac in Go. 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 guac?
Choose GreaterWMS if you want the larger community (4,381 stars) or its Apache-2.0 licence terms. Choose guac if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.