Witeboard lets you create quick sketches on desktop, tablet, or phone in a few minutes and collaborate with your team real-time.
Just go to witeboard.com, make a quick sketch, grab a share link and send it to your co-worker. You don't need to install anything nor create an account.
It's the fastest way to collaborate real-time with your team.
UPD' 2019: RealtimeBoard is now called Miro.
A whiteboarding platform for distributed product teams with a growing set of add-ons. Customize it to various use cases (from Agile to UX) and make it a part of a seamless workflow with the most popular tech tools.
Purple is a documentation and project planning tool built for creative teams. Write documents, assign tasks, share images, and present your designs. With integrations like Google Docs, Sketch, Invision, and Airtable, all of your project work can be in one place - which makes it a breeze to share with your team or clients.