SoftMaker FreeOffice is an office suite that has good compatibility with Microsoft Office application file formats and provides most of its functions and features.
This is one of the best free alternative offices that is not inferior in functionality.

It includes:

• TextMaker - text editor (Word)
• PlanMaker - calculations, spreadsheets and charts (Excel)
• Presentations - presentation creation (Power Point)

Interactive software for working with the board. OpenBoard gives you the opportunity to teach in different ways using current learning tools.
OpenBoard is intended for use primarily in schools, and can be used with both interactive whiteboards and touch or add-on screens.

Peculiarities: