Email delivery for web apps. URL: Postmark
Free and easy email reminders. On your next email just include firstname.lastname@example.org and the service will follow up after the time interval you specify. URL: FollowUpThen
Professional and easy to use email marketing service. No monthly or setup fees. Integrates with Facebook, Shopify, Highrise. Costs only 1 cent per recipient. URL: Sendloop
“Where your inbox meets the web. Control information overload. Emails, links, attachments, blog posts, news – all relevant data is organized and prioritized by contact. Rank importance and fine-tune your experience to pinpoint specific news about your most important people and companies. Be the first to know about relevant news that gives you more opportunities [...]
A utility to improve your email communication. Quickly view and easily send rich media and attachments. Aggregate conversation and content by topics. Reduce unwanted emails reaching inboxes. Work seamlessly and securely with your email accounts without email passwords, and it’s free. URL: Topicr.
A service that lets you send email later for reminders, getting things done (GTD), friends’ birthdays, and other occasions. URL: l8r.
A new approach to free webmail with ease of use and no blinking ads. Launch pending. URL: Litepost.
Create and share online newsletters. URL: LetterPop.
Secure, real-time, 1-click web-based email backup of Outlook and Apple mail. URL: Xackmail.
Allows users to manage and blast out email newsletters to subscribers and provide realtime reporting. Simple and easy UI with a mix of Flash and AJAX. URL: Primo Mailer.
Enter a URL and the service will send you an email every time the site is updated, with options for customizing your subscriptions. URL: Feedwhip.
An AJAX email client with PHP backend. URL: RoundCube.
Email newsletters and list management. eHub Interviews Campaign Monitor URL: Campaign Monitor.