Sidemail

The simplest way to send transactional emails. Sidemail makes sending transactional emails trivial, it’s perfect for side projects, MVPs or the next big thing.

18 Alternatives To Sidemail

FlowMapp

UX planning tool for creating a visual sitemap

Flowcast

Click-and-type sticky notes for effortless website feedback
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GetResponse

Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.
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Greyhound Flowcharts

Free flowcharts constructor for Figma & Sketch

Hixle

Discover the best UI design styles & resources.
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Mailgun

A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.

MindNode

Delightful Mind Mapping for your Mac, iPad and iPhone. MacCapture Your Thoughts. Any idea starts with a loose collection of .

Postmark

Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.

Scheme Flowcharts

A huge pack of layouts for UX prototyping
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SendGrid

Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free

SimpleDiagrams

Explain Yourself. Visually.
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UXFlow

Free customizable flowchart kit for Sketch and Figma