Slack (internal communications and support), Google Analytics (platform usage analysis), Twilio/Sendgrid (emails), Help Scout (support), Paddle (payment transactions) and Firebase (app analytics), Airbrake (app analytics), Trello/Atlassian (feedback tracking), Lead Feeder (web visitor tracking), YouTube Terms of Services (video playback data), OutFunnel (web visitor tracking,email distribution and marketing campaign management).WebinarGeek (webinar delivery platform). TrilbyTV API Client makes use of YouTube API Services.