LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
dapulse - Lead by showing your team the Big Picture. Get everyone working together on what's important.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.
Nintex - Cloud-based digital workflow management automation platform
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
Bizagi - Bizagi is a Business Process Management (BPMS) solution for faster and flexible process automation. It's powerful yet intuitive BPM Suite is designed to make your business more agile.