CounterMail - Countermail is a web-based email service. It is hosted in Sweden. Its focus is on privacy.

Email Studio for Gmail - Send personalized emails, schedule emails directly in Gmail

Webmail.ca.za - Free email, file storage, sms and more.

EmailDrips - Get inspired by examples of email sequences

eclipso Mail Europe - Privacy first. Your Email. Your Cloud. Your Office. Simplify your life with eclipso, the safe & central place to organize and share your emails, photos, files, contacts, calendar events and more.

Clearbit Salesforce - Rapportive for Salesforce, augment lead data