OnceDoc is a free enterprise content management system from Wanshi Intelligent Collaboration System. It is positioned as an All In One private cloud drive and collaboration platform for documents, workflows, email, knowledge bases, reports and cloud storage, with strong plug-in extensibility and support for private cloud deployment.

## Product features

- **Document management:** set up a secure and reliable file server in three minutes, with support for document encryption, multi-level permissions and off-site backup.

- **Knowledge management:** supports multi-user online editing and collaboration for documents and spreadsheets, with a built-in full-text search engine that can find the content you want in 50 milliseconds.

- **Email system:** you can set up an email system on your own server, so all messages do not pass through third-party relays, helping protect information security.

- **Bookmarks:** collect bookmarks on any device such as computer, tablet or mobile phone; bookmarks are automatically synchronized and can be accessed anytime, anywhere.

- **Workflow management:** start pre-sales support workflows for customer inquiry emails, BUG handling workflows for images and videos, and add new workflows or modify existing ones.

- **WeChat office:** use WeChat anytime, anywhere to save ideas, customer business cards, on-site videos and voice records; also use WeChat for attendance, leave requests and approvals.

- **Cloud development:** create project workspaces in a cloud development environment for online development, debugging and other operations.

- **Customization and training:** engineers from former Microsoft (MSN) and SAP provide customized enterprise management software such as OA/ERP.

The official site states that OnceDoc supports private cloud/local deployment. Specific CPU, memory, storage or other resource requirements are not disclosed in the provided source material.