Top 10 Open-Source Alternatives to Microsoft Office 365

Product categories

CRM CRM Platforms Cloud Storage Communication Encrypted Cloud Storage File Sharing Office & Productivity Office Suites Productivity Project Management Software Development Task Management

Summary

The top open-source alternatives to Microsoft Office 365 are Apache OpenOffice, Etherpad, and OpenProject. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Apache OpenOffice Landing Page
1

Apache OpenOffice

Apache OpenOffice is an open source, office document productivity suite.
Pricing:
- Open Source
#Office Suites #Office & Productivity #Project Management 13 social mentions
Etherpad Landing Page
2

Etherpad

Etherpad is a highly customizable Open Source online editor providing collaborative editing in...
Pricing:
- Open Source
#Office Suites #Office & Productivity #Software Development 18 social mentions
OpenProject Landing Page
3

OpenProject

OpenProject is an open-source project management software with a wide set of features and plugins.
Pricing:
- Open Source
#Project Management #Task Management #Productivity 4 social mentions
LibreOffice Landing Page
4

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.
Pricing:
- Open Source
#Office Suites #Office & Productivity #Project Management 15 social mentions
Nextcloud Landing Page
5

Nextcloud

With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
Pricing:
- Open Source
#Cloud Storage #File Sharing #Encrypted Cloud Storage 283 social mentions
Joeffice Landing Page
6

Joeffice

Joeffice is a free and open source office software written in Java.
Pricing:
- Open Source
#Office Suites #Office & Productivity #Software Development
CryptPad Landing Page
7

CryptPad

CryptPad is a collaborative office suite that is end-to-end encrypted and open-source.
Pricing:
- Open Source
- Freemium
- Free Trial
- €5.0 / Monthly (Personal 5GB)
#Office Suites #Project Management #Office & Productivity 88 social mentions
Bitrix24 Landing Page
8

Bitrix24

Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Pricing:
- Open Source
- Freemium
- Free Trial
- $69.0 / Monthly (6 users / 50 GB / CRM+)
#Project Management #Task Management #Communication
eXo Platform Landing Page
9

eXo Platform

Digital workplace solution
Pricing:
- Open Source
- Freemium
- Free Trial
- $5.0 (Professional 5$ / user / month)
#Project Management #Communication #Task Management 8 user reviews
ownCloud Landing Page
10

ownCloud

ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
Pricing:
- Open Source
#Cloud Storage #File Sharing #Encrypted Cloud Storage 29 social mentions