Upscribe - Embeddable lead generation forms for Medium
Sayable - It allows you to send a link with an easy to remember phrase
Marvel Embeds - Embed interactive prototypes on any site (including Medium!)
Snappy - Snappy is software that allows the production of screenshots from areas on a Windows desktop screen.
Refined Medium - Chrome & Firefox extension that removes clutter on Medium
Links List - Simply create a list of links. Then share it!