EtherCalc - EtherCalc is a web spreadsheet.
Sismics Docs - Lightweight full-featured document management system 📁
Aspose.Cells for Cloud - Aspose.Cells for Cloud is a REST based API for processing spreadsheets in the cloud.
Papermind - Papermind Slack App is a collaborative article-editing and document management platform for Slack
Simple Spreadsheet - Simple Spreadsheet
Managify - Create & organize all your documents in a single platform.