Canva
Canva is a free graphic design platform that allows to easily create lesson plans, invitations, business cards, flyers, Instagram stories etc. Canva's users can choose from thousands of design layouts for any project, including presentations, social media videos, posters, flyers, invitations and more.
Popplet
Popplet is a web 2.0 tool that provides a canvas on which
you can create visual representations of your ideas or projects.
ZUMPAD
ZUMpad is a web 2.0 tool that can be used to create texts
collaboratively.
Learning Apps
The LearningApps.org
platform emerged from a doctoral thesis at the University of Mainz and is
freely accessible.