Upscribe - Embeddable lead generation forms for Medium
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Marvel Embeds - Embed interactive prototypes on any site (including Medium!)
Tally.so - The simplest way to create forms, for free.
Refined Medium - Chrome & Firefox extension that removes clutter on Medium
Reform - Clean-looking, on-brand forms that are easy to use in your no-code projects, send out in emails, or put on your website.