Mail-in-a-Box vs Nextcloud Groupware
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Mail-in-a-Box
Turn a fresh server into a working mail server
VS
Nextcloud Groupware
Mail, calendar and contacts bundle for Nextcloud
| Feature | Mail-in-a-Box | Nextcloud Groupware |
|---|---|---|
| Category | Mail Servers | Groupware |
| License | CC0-1.0 | AGPL-3.0 |
| Language | Python | JavaScript |
| Setup difficulty | Easy | Medium |
| Min. RAM | 1,024 MB | 1,024 MB |
| Deployment | bare-metal, one-click | docker, bare-metal, source |
| GitHub stars | ★ 15,385 | ★ 1,169 |
| First released | 2014 | 2016 |
| Replaces | Google Workspace, Microsoft 365 | Microsoft 365, Google Workspace |
Why pick each one
Choose Nextcloud Groupware if…
- Tight Nextcloud integration
- Standards-based sync
Frequently asked questions
Is Mail-in-a-Box or Nextcloud Groupware better?
Mail-in-a-Box is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Nextcloud Groupware if its specific feature set fits your needs better.
Are Mail-in-a-Box and Nextcloud Groupware free and open-source?
Yes. Mail-in-a-Box is licensed under CC0-1.0 and Nextcloud Groupware under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Mail-in-a-Box and Nextcloud Groupware with Docker?
Mail-in-a-Box: check the project docs for container support. Nextcloud Groupware: yes.