Groupboard!

RealtimeBoard is the simplest and versatile visual collaboration tool for teams that work in a digital environment. RealtimeBoard is perfect for remote collaboration, brainstorming, visual planning, organizing thoughts, gathering feedback and review, creating concepts and online tutoring.

Drawpile is a drawing program that lets you share the canvas with other users in real time.

Deekit is a whiteboard for remote teams to share ideas, brainstorm together, discuss complex problems, product and business planning. An unlimited canvas for you and your team to draw, write, edit and work with other content. Together, in real time.Deekit is available on all your devices - desktop, tablets or why not mobile when you’re on the go. Want more space - why not the TV or project it on a wall?

Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.

A Web Whiteboard is touch-friendly online whiteboard app that lets you use your computer, tablet or smartphone to easily draw sketches, collaborate with others and share them with the world.

Mark up websites, graphics, and photos, or start brainstorming on a blank canvas. Browse the web with your friends or make that conference call more productive than ever. No plug-ins, downloads, or firewall voodoo - its all here, ready to go when you are. Browser-agnostic, user-friendly.

Draw a picture together with your friends in real-time over the internet in your browser. Create a new canvas and share the link to start drawing a picture together. Use the application to make a complete painting together with other artists or just as a sketchpad for brainstorming or collaborating on a project that require some visual aid.

A shared whiteboard for use by multiple Skype-users simultaneously.

Ideaflip is an ingenious tool for evolving ideas together in an organic, kinetic way.

Conceptboard goes beyond the idea of online whiteboards and adds realtime collaboration, document sharing, visual feedback, task management, live meetings and more.

CoSketch is a multi-user online whiteboard designed to give you the ability to quickly visualize and share your ideas as images.

BaiBoard lets people collaborate across the Internet via:1. Zoomable multi-page whiteboard.2. Collaborative annotation on PDF docs.3. Screen Sharing from iPad to web browser.

Whiteboards for your team. Draw together. Sketch, share, collaborate, and brainstorm with your remote team like never before. Integrated with Slack and other tools you already use.

A real time shared whiteboard in your browser, teach, explain, sketch. For work, study, fun. Save all your whiteboard for later use.

Scribblar is a free online collaboration tool that is perfect for online tutoring. It features live audio, chat, whiteboard, image sharing, document sharing and more. Used by learners, trainers and schools around the world, Scribblar is quickly becoming the favourite tool for online collaboration and tutoring.