Jotform is a full-featured online form builder that allows you to create powerful forms and securely gather data from any device. With our intuitive drag-and-drop builder, you can create and share custom online forms to generate leads, distribute surveys, collect online payments, and much more — all without any coding.

Appcues—the Product-Led Growth Platform—makes it easy to deliver exceptional user experiences at scale. Convert new users into raving fans with automated and personalized onboarding, product tours, surveys, and announcements. More effective than email. Faster than bugging your developers.

Create real, private email addresses on demand. Send and receive emails and attachments in application code and integration tests. Intuitive REST APIs and SDK Libraries. Free for personal use.

Uppy is a sleek, modular JavaScript file uploader that integrates seamlessly with any application. It’s fast, easy to use and lets you worry about more important problems than building a file uploader. - Fetch files from local disk, urls, Dropbox, Instagram, or snap with a camera - Preview and edit metadata - Upload, optionally process & encode

Motty provides the simpler way to test your client services. It is an web application which gives you abaility to create your own custom responses. So you can intuitively and easily mock http responses. All you need to do is typing and click!