head to head · open source
grocy vs witness
grocy has 9,510 GitHub stars, 806 forks, 135 open issues and last shipped 2 days ago. witness has 546 stars, 82 forks, 75 open issues and last shipped 2 days ago. grocy leads on adoption by 1,642% (9,510 vs 546 stars). grocy is written in Blade under MIT; witness is written in Go under Apache-2.0. grocy has attracted 8% as many forks as stars, witness 15%. grocy 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
| grocy | witness | |
|---|---|---|
| GitHub stars | ★ 9.5K | ★ 546 |
| License | MIT | Apache-2.0 |
| Written in | Blade | Go |
| Last push | 2026-09-16 | 2026-09-16 |
| Forks | ⑂ 806 | ⑂ 82 |
| 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 witness if
- You want the witness 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 witness 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 witness
Witness is an Apache 2.0 Go command line framework from the CNCF in toto ecosystem that creates and verifies signed attestations about how software artifacts were built, and it is aimed at platform, release, and security engineers who must prove artifact provenance across a software development lifecycle.
read the full witness overview →
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Frequently asked questions
Is grocy or witness more popular?
grocy has 9,510 GitHub stars and witness has 546. grocy has the larger community by that measure.
Are grocy and witness free?
Both are open source. grocy is licensed under MIT and witness under Apache-2.0. Neither carries a licence fee.
What is the difference between grocy and witness?
grocy is written in Blade and witness 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, grocy or witness?
Choose grocy if you want the larger community (9,510 stars) or its MIT licence terms. Choose witness if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.