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.
Adobe Learning Manager - Adobe Learning Manager (formerly Adobe Captivate Prime LMS) is easy to setup and helps in delivering engaging learning experiences in a personalized manner across devices.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.
Udemy - Online Courses - Learn Anything, On Your Schedule
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!