Adestra
Adobe Campaign Classic
Adobe Campaign Standard
Airship
Amazon Simple Email Service
Betaout
Bluecore
Blueshift
Braze + Mailjet
Braze + Sendgrid
Braze + Sparkpost
Campaign Monitor
Cheetah Digital Marketing Suite
Cheetah Mail
CleverTap + Amazon SES
CleverTap + Mailgun
CleverTap + Mandrill
CleverTap + Sendgrid
Cmercury
Cordial
Customer.io
Emarsys
Epsilon
ExpertSender
Hootsuite
IBM Watson Campaign Automation
Iterable
Kahuna
Klaviyo
Leanplum
Mailgun
Mailjet
Mailup
Mandrill
Marketo
MessageGears
MoEngage
Optimove
Oracle Bronto
Oracle Eloqua
Oracle Responsys
Pepipost
Postup
Rapidmail
Sailthru v1
Sailthru v2
Salesforce v1 Open Web
Salesforce v1 Open App
Salesforce v2
Salesforce v3
Selligent Marketing Cloud
Selligent
Sender
Sendgrid
Smartech
Socialflow
Sparkpost
Vero
Vibes
Whatcounts
Yes Marketing
Yiye Technology