Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Mayan EDMS - Document management without the headaches.
Cybozu Office - 外出先からのスケジュール管理など情報共有がカンタン、安心。しかも無料でお試しいただけます。★現在サイボウズ Office パッケージ版ご利用の方へ:クラウド版への無料移行ツールをご用意しました。クラウドのレスポンスの速さをお試しください。
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Quip - Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.
SeedDMS - SeedDMS is an open source document management system based on PHP and MySQL.