Iteration X - Iteration X allows teams to annotate and edit any live website or web app directly in Chrome.
Spectacle V0 (previously Startup-Videos) - Showcasing the best startup videos
Wized - Design your web application in Webflow, build it with Wized
Bloc.io - Learn to code and become a web developer in Ruby on Rails, HTML, CSS, Javascript, and jQuery in Bloc's Intense Online Web Development Apprenticeship.
Flycode - FlyCode (YC S22) makes web apps editable without coding so companies can iterate and release products faster - helping teams edit copy, images, and links in the code so their developers don’t have to.
Sandwich Video - Great videos about great products.