Contact form 7: Famous WordPress plugin to collect email addresses.
Mailchimp: Send 12,000 emails to 2,000 subscribers for free.
ManyContactsBar: Free contact form sits on top of your website.
Hello Bar: Get more email subscribers.
Sumome List Builder: Collect email addresses with light box popover.
Scroll Triggered Box: Boost your conversion rates — WordPress only.
Sumome Scroll Box: Capture more email addresses, politely.
Mandrill: The fastest way to deliver email. Free 12K emails/month.
Mailgun: The Email Service For Developers. Free 10K emails/month.
Sendgrid: Delivers your transactional and marketing email. Free 12K emails/month.
Sendinblue: Free 9K emails/month.
Mailtrack: The best free email tracking solution.
Beefree: Free Email editor to build responsive design messages.
Canned Emails: A minimal site with prewritten emails.
Steak – Track if someone opened your emails. Especially useful if you’re doing sales or outreach. Also adds a CRM to Gmail.
Really Good Emails – Superb for designed email inspiration. Welcome emails, sales emails, the whole works.
Gmass – Send mass emails in Gmail (up to 2000 emails/day). Gmail = way better deliverability than using an email marketing platform. Link it to a spreadsheet to personalize names and phrases for every contact.
Art of Emails – Tons of actually unique email templates for cold emails, outreach to influencers, sales follow ups, etc.