head to head · open source
grocy vs rebuild
grocy has 9,510 GitHub stars, 806 forks, 135 open issues and last shipped 2 days ago. rebuild has 1,069 stars, 257 forks, 10 open issues and last shipped yesterday. grocy leads on adoption by 790% (9,510 vs 1,069 stars). grocy is written in Blade under MIT; rebuild is written in Java under GPL-3.0. grocy has attracted 8% as many forks as stars, rebuild 24%. rebuild was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (erp), 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
| grocy | rebuild | |
|---|---|---|
| GitHub stars | ★ 9.5K | ★ 1.1K |
| License | MIT | GPL-3.0 |
| Written in | Blade | Java |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 806 | ⑂ 257 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick grocy if
- You weight community size — 9.5K stars and counting
- You want the MIT license terms
- Your stack matches Blade
- You value the larger contributor base for long-term maintenance
pick rebuild if
- You want the rebuild feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Java
- You evaluated both and rebuild fits your workflow better
About grocy
Grocy is a self hosted, web based groceries and household management application — "ERP beyond your fridge" — for people who want to track pantry stock, shopping and meal planning on hardware they control.
read the full grocy overview →
About rebuild
REBUILD is a highly configurable, open source enterprise management system written in Java and licensed under GPL 3.0, built for enterprise IT teams, small and medium businesses, business managers and developers who need to assemble systems such as CRM, WMS, MES, HRM, TMS or ERP through zero code and low code configuration.
read the full rebuild overview →
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Frequently asked questions
Is grocy or rebuild more popular?
grocy has 9,510 GitHub stars and rebuild has 1,069. grocy has the larger community by that measure.
Are grocy and rebuild free?
Both are open source. grocy is licensed under MIT and rebuild under GPL-3.0. Neither carries a licence fee.
What is the difference between grocy and rebuild?
grocy is written in Blade and rebuild in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, grocy or rebuild?
Choose grocy if you want the larger community (9,510 stars) or its MIT licence terms. Choose rebuild if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.