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Nextcloud vs Seafile: which one to choose in 2026?

Both are open source alternatives to Dropbox. We compare license, tech stack and features to help you decide which fits your team best.

NextcloudSeafile
CategoryStorageStorage
LicenseAGPL-3.0AGPL-3.0
GitHub stars 27k 12k
Tech stackPHP, MariaDB/PostgreSQLC, Python, MySQL
ReplacesGoogle Drive, DropboxDropbox

Nextcloud has more GitHub stars, which usually indicates a larger community (not necessarily that it's the best option for your use case).

Nextcloud

File cloud and collaboration, an alternative to Google Drive.

Pros

  • The widest ecosystem of self-hosted productivity apps

Things to consider

  • Can feel heavy on small instances running many apps
View Nextcloud's full profile

Seafile

Encrypted, efficient file sync, an alternative to Dropbox.

Pros

  • Noticeably better sync performance with lots of files

Things to consider

  • Less modern interface than Nextcloud
View Seafile's full profile

Key features

Nextcloud

  • Cross-platform file sync
  • Collaborative document editing (Collabora/OnlyOffice)
  • Calendar, contacts and video calls (Nextcloud Talk)
  • Hundreds of official and community apps

Seafile

  • Optional end-to-end encryption per library
  • Space-efficient version control
  • Sync clients for every OS