Iteration X - Iteration X allows teams to annotate and edit any live website or web app directly in Chrome.

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Brevy (beta) - Give feedback, Google-doc style, directly on your website

Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.

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.

Avochato - Text messaging for your business.