LibreOffice
Open Source
LibreOffice ie previously known as OpenOffice which is an open source office suite including text editor, spreadsheet and presentation tools.
Microsoft Office Suite
Commercial
Microsoft Office Suite is a software suite consisting of many office utilities.
Apple Mail
Free
Apple Mail is an email client included with the operating systems macOS, iOS and watchOS by Apple Inc.
OpenProject
Open Source
OpenProject is a web-based project management system for location-independent team collaboration.
Apache OpenOffice
Open Source
Apache OpenOffice is a free office package with a text editor, spreadsheet and presentation software.
Microsoft Office Outlook
Commercial
Microsoft Outlook is a personal information manager from Microsoft.
ONLYOFFICE
Open Source
ONLYOFFICE Document Server is an online office suite comprising viewers and editors for texts, spreadsheets and presentations.
Kontact - KMail
Open Source
KMail is the email component of Kontact, the integrated personal information manager from KDE.
Compare Open365 with alternatives
Compare LibreOffice and Open365 and decide which is most suitable for you.
Compare Apache OpenOffice and Open365 and decide which is most suitable for you.
Compare Microsoft Office Suite and Open365 and decide which is most suitable for you.
Compare Microsoft Office Outlook and Open365 and decide which is most suitable for you.
Compare OpenProject and Open365 and decide which is most suitable for you.
Compare Kontact - KMail and Open365 and decide which is most suitable for you.