Optimizely
Vectera offers Free Trial, but Skype for Business does not.
Vectera is designed for Large Enterprises, Medium Business and Small Business.
Skype for Business is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of Vectera begins at $8.99/User/Month when Billed Yearly, while pricing details for Skype for Business are unavailable.
Some top alternatives to Vectera includes Livestorm, Confrere, Zoom, Lifesize, ezTalks, TelebuJoin, Zoho Meeting, BlueJeans Virtual Meetings, VideoMeet, Video Window and Zip Conferencing.
Some top alternatives to Skype for Business includes Livestorm, Whereby, Zoom, Cisco Webex Meetings, GotoMeeting, Lifesize, ezTalks, Pexip, FreeConferenceCall.com and eyeson.