IBM
Yes, both Business Hangouts and Google Docs offer a Free Trial.
Business Hangouts is designed for Large Enterprises, Medium Business and Small Business.
Google Docs is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Business Hangouts Starts at $8/Month when Billed Yearly whereas for Google Docs Starts at $6/User/Month.
Some top alternatives to Business Hangouts includes Livestorm, Whereby, Zoom, ezTalks, Zoho Meeting, Zoom Video Webinar, Zynq, VideoMeet, Zip Conferencing and Zgenda.
Some top alternatives to Google Docs includes Nimbus Note, Microsoft OneNote, Google Sheets, Documint, Dropbox Paper, Microsoft Word, pdfFiller, LibreOffice, iWork, WPS Office and WordPerfect Office.