head to head · open source
grocy vs witness
grocy has 9,646 GitHub stars, 828 forks, 135 open issues and last shipped 2 months ago. witness has 615 stars, 87 forks, 75 open issues and last shipped yesterday. grocy leads on adoption by 1,468% (9,646 vs 615 stars). grocy is written in Blade under MIT; witness is written in Go under Apache-2.0. grocy has attracted 9% as many forks as stars, witness 14%. witness 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 | ★ 9.6K | ★ 615 |
| License | MIT | Apache-2.0 |
| Written in | Blade | Go |
| Last push | 2026-09-16 | 2026-11-02 |
| Forks | ⑂ 828 | ⑂ 87 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick grocy if
- You weight community size — 9.6K 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
ERP beyond your fridge Grocy is a web based self hosted groceries & household management solution for your home This is a hobby project by Bernd Bestel Give it a try Public demo of the latest stable version ( release branch) → Public demo of the current development version ( master branch) → Features See the website. → Questions / Help / Bug Reports / Feature Requests General help and usage questions → r/grocy on Reddit Bug Reports and Feature Requests → Issue Tracker Please don't send me private messages or call me regarding anything Grocy. I check the issue tracker and the subreddit…
read the full grocy overview →
About witness
Witness Witness originated at TestifySec and was later donated to the CNCF in toto ecosystem. It is now maintained by the open community. DOCS • CONTRIBUTING • LICENSE bash What does Witness do? ✏️ Attests Witness is a dynamic CLI tool that integrates into pipelines and infrastructure to create an audit trail for your software's entire journey through the software development lifecycle (SDLC) using the in toto specification. 🧐 Verifies Witness also features its own policy engine with embedded support for OPA Rego, so you can ensure that your software was handled safely from source to deployment. What can you do…
read the full witness overview →
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Frequently asked questions
Is grocy or witness more popular?
grocy has 9,646 GitHub stars and witness has 615. 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 (9,646 stars) or its MIT licence terms. Choose witness if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.