cacoo.com - create diagrams, layouts, or charts online real-time collaboration
corkboard.me - receive a unique URL that you can share with others for working together.
creately.com - design unlimited public graphic organizers, templates, and professional looking diagrams. Collaborate with up to three others. Desktop version is also available for download.
stixy.com -create tasks, appointments, files, photos, notes, and bookmarks on your Stixyboards. Then share your Stixyboards with others.
www.tinychat.com - create a chat-room and share the link with others (no email address needed).
wiggio.com - create a private link group and collaborate with your team. A tool that requires only the admin to register and has a calendar, file storage and collaboration space, conferencing, chatting, email, plus more other features.
Photo editing tool:
Aviary Suite - a complete online suite for photo and music editing, picture effects, screen capture, music creation and more.
fotoflexer.com - an easy-to-use photo editing tool that integrates with the major online photo-sharing sites; includes blemish removal and wrinkle-smoothing.
Google docs - create and share documents, forms, and drawings on the web and access them from any computer or smart phone. The familiar desktop feel makes collaborative editing easy
Google spreadsheets - create and share spreadsheets online. Google spreadsheets makes it easy to track budgets, run financial calculations, track data and more.
Google presentations - free, embeddable presentations from Google Create and share presentations on the web. Add text, images, video and more directly to your presentation slides.
Zoho Creator - an easy-to-use online database, powerful data collection, reporting and collaboration. This online tool is used by entrepreneurs, small businesses, educational institutes and non-profits.