Dropbox
Cloud file storage and sync for teams and individuals
Nextcloud Server
Your self‑hosted hub for files, contacts, calendars, and collaboration.
Nextcloud Server lets you store, sync, and share files, contacts, calendars, and more on your own hardware, with extensible apps, strong security, and flexible deployment options.
Overview
Overview
Nextcloud Server provides a private, self‑hosted environment where individuals and organizations can store files, contacts, calendars, and other data. It offers native synchronization across devices, granular sharing controls, and a marketplace of hundreds of apps that extend functionality to email, video chat, and more.
Who It's For & How to Deploy
Ideal for teams, enterprises, educational institutions, and privacy‑focused users who need full control over their data. You can install it on your own hardware, use ready‑to‑run appliances, purchase pre‑installed devices, or select a hosted provider. Enterprise customers can opt for Nextcloud Enterprise for additional support and features.
Security & Community
Nextcloud includes encryption, two‑factor authentication, and a HackerOne bounty program. A vibrant community contributes code, translations, design, and testing, all under the AGPL‑3.0 license.
Highlights
File, calendar, contacts, and media storage with native sync
Extensible app ecosystem with hundreds of integrations
End‑to‑end encryption, two‑factor auth, and security bounty program
Flexible deployment: self‑hosted, appliances, pre‑installed devices, or hosted provider
Pros
- Full control over data privacy
- Rich collaboration features
- Large active community and extensive app store
- Strong security measures and regular audits
Considerations
- Requires technical expertise for self‑hosting
- Performance depends on underlying hardware
- Enterprise features may need paid subscription
- Initial setup can be complex for beginners
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Fit guide
Great for
- Organizations needing on‑premise data sovereignty
- Teams that want a unified collaboration platform
- Developers looking to extend functionality via apps
- Privacy‑focused users who prefer self‑hosting
Not ideal when
- Users seeking a turnkey cloud service without any server management
- Small groups without IT support who need instant setup
- Environments requiring proprietary integrations not available in the app store
- Scenarios demanding guaranteed SLA without enterprise contract
How teams use it
Remote team file collaboration
Team members edit, comment, and version files in real time while keeping data on company‑owned servers.
Self‑hosted personal cloud
Individuals store photos, documents, and contacts at home, accessing them from any device with end‑to‑end encryption.
Educational institution shared resources
Students and teachers share coursework, calendars, and communication tools within a secure campus‑controlled environment.
Enterprise document workflow
Integrates with Nextcloud Office and third‑party apps to automate approvals, audits, and compliance while maintaining data residency.
Tech snapshot
PHP58%
JavaScript33%
Vue4%
TypeScript3%
Gherkin1%
SCSS1%
Frequently asked questions
What programming language is Nextcloud Server written in?
The core server is primarily written in PHP, with front‑end components in JavaScript, Vue, and TypeScript.
Can I run Nextcloud on a Raspberry Pi?
Yes, Nextcloud can be installed on low‑power hardware like a Raspberry Pi, though performance will depend on workload.
Is there a commercial version?
Nextcloud Enterprise, offered by Nextcloud GmbH, provides additional support, features, and SLA options for businesses.
How does Nextcloud ensure security?
It includes encryption at rest and in transit, two‑factor authentication, regular security audits, and a HackerOne bounty program.
Do I need to sign a CLA to contribute?
No, Nextcloud does not require a Contributor License Agreement; contributions are licensed under AGPL‑3.0.
Project at a glance
Active- Stars
- 33,870
- Watchers
- 33,870
- Forks
- 4,691
LicenseAGPL-3.0
Repo age9 years old
Last commit2 hours ago
Self-hostingSupported
Primary languagePHP
Last synced 2 hours ago