Document.Editor

https://semagsoft.com/windows/documenteditor/

Open source multitab VB.Net/WPF Ribbon UI based word processor for Windows Vista/7/8/8.1/10, and Windows 11.

Includes support for opening FlowDocument, Html and plain / rich text formats and support for saving FlowDocument and plain / rich text formats.

Multiple tab interface so you can edit more then one document in a session, compact application size, and multiple Edit / Insert / Format commands.

Export documents to ftp server, zip archive or sound