# Best self-hosted Microsoft alternatives

> The best self-hosted replacements for Microsoft products are Nextcloud and ONLYOFFICE for Microsoft 365; Superset and Metabase for Power BI; Gitea and Gogs for GitHub. Nextcloud leads with 37,003 GitHub stars. For each Microsoft product with an appsgit alternatives page, the highest-recommended open-source app on that page (2 per product).

## Key facts

| Fact | Value |
|---|---|
| Question | What are the best self-hosted alternatives to Microsoft products? |
| Picks | 6 |
| Top pick | Nextcloud (37,003 stars) |
| Data as of | Oct 7, 2026 |
| Canonical URL | https://appsgit.com/best/self-hosted-microsoft-alternatives |

Two open-source replacements each for Microsoft 365, Power BI and GitHub (owned by Microsoft), taken from the top of each alternatives page.

## Ranked picks

- [Nextcloud](https://appsgit.com/apps/nextcloud) (37,003 stars, AGPL-3.0, PHP): Replaces Microsoft 365: Nextcloud has 37,003 GitHub stars, uses the AGPL-3.0 license and had 7,289 commits in the last year.
- [ONLYOFFICE](https://appsgit.com/apps/onlyoffice) (6,970 stars, AGPL-3.0, Shell, Docker): Replaces Microsoft 365: ONLYOFFICE has 6,970 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 21 commits in the last year.
- [Superset](https://appsgit.com/apps/superset) (75,048 stars, Apache-2.0, Python): Replaces Power BI: Superset has 75,048 GitHub stars, uses the Apache-2.0 license and had 5,509 commits in the last year.
- [Metabase](https://appsgit.com/apps/metabase) (49,547 stars, AGPL-3.0, Clojure, Docker): Replaces Power BI: Metabase has 49,547 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 6,378 commits in the last year.
- [Gitea](https://appsgit.com/apps/gitea) (58,319 stars, MIT, Go, Docker): Replaces GitHub: Gitea has 58,319 GitHub stars, uses the MIT license, ships a Docker image and had 1,696 commits in the last year.
- [Gogs](https://appsgit.com/apps/gogs) (47,859 stars, MIT, Go, Docker): Replaces GitHub: Gogs has 47,859 GitHub stars, uses the MIT license, ships a Docker image and had 225 commits in the last year.

## How this list was made

- For each Microsoft product with an appsgit alternatives page, the highest-recommended open-source app on that page (2 per product).
- An app is used only once, so the next one on the list fills in when a pick already covers another product.
- Archived projects and projects with no commit in the last two years are left out.

## FAQ

### Is Nextcloud free?

Yes. Nextcloud is open-source software released under the AGPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.

### Can I self-host these apps with Docker?

Yes, 4 of the 6 picks. ONLYOFFICE, Metabase and Gitea publish Docker images, so you can run them on a VPS or home server with Docker Compose. The others install from their own packages or source; follow each project's install guide.

### Are all of these apps open source?

All 6 apps on this list are open source. You can self-host and modify each one under its license.

### Which of these apps is the most actively developed?

Nextcloud, with 7,289 commits in the last 12 months and a latest release, v35.0.1, from September 2026. Activity is a good sign that bugs and security issues get fixed.

## Related questions

- [What are the best self-hosted apps written in Go?](https://appsgit.com/best/open-source-apps-in-go)
- [What are the best self-hosted apps written in Rust?](https://appsgit.com/best/open-source-apps-in-rust)
- [What are the best self-hosted apps written in Python?](https://appsgit.com/best/open-source-apps-in-python)
- [What are the best self-hosted apps written in TypeScript?](https://appsgit.com/best/open-source-apps-in-typescript)
- [What are the best self-hosted apps written in PHP?](https://appsgit.com/best/open-source-apps-in-php)
- [What are the best self-hosted apps written in Java?](https://appsgit.com/best/open-source-apps-in-java)
- [What are the best self-hosted apps written in C#?](https://appsgit.com/best/open-source-apps-in-c-sharp)
- [What are the best self-hosted apps written in Ruby?](https://appsgit.com/best/open-source-apps-in-ruby)

## See also

- [Open-source alternatives to Google Drive](https://appsgit.com/alternatives/google-drive)
- [Open-source alternatives to Dropbox](https://appsgit.com/alternatives/dropbox)
- [Open-source alternatives to Google Docs](https://appsgit.com/alternatives/google-docs)
- [Open-source alternatives to Google Workspace](https://appsgit.com/alternatives/google-workspace)
- [Open-source alternatives to Microsoft 365](https://appsgit.com/alternatives/microsoft-365)
- [Open-source alternatives to Google Calendar](https://appsgit.com/alternatives/google-calendar)
- [Metabase vs Apache Superset](https://appsgit.com/compare/metabase-vs-superset)
- [Gitea vs Gogs](https://appsgit.com/compare/gitea-vs-gogs)
- [Nextcloud vs ownCloud](https://appsgit.com/compare/nextcloud-vs-owncloud)
- [Nextcloud vs Seafile](https://appsgit.com/compare/nextcloud-vs-seafile)
- [Nextcloud vs Syncthing](https://appsgit.com/compare/nextcloud-vs-syncthing)
- [Grafana vs Metabase](https://appsgit.com/compare/grafana-vs-metabase)
- [How to self-host Nextcloud with Docker Compose](https://appsgit.com/guides/nextcloud)
- [How to self-host Gitea with Docker Compose](https://appsgit.com/guides/gitea)

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Canonical page: https://appsgit.com/best/self-hosted-microsoft-alternatives
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