GeoGebra provides free tools for graphing, geometry and classroom activities, including a collaborative whiteboard.
NotebookCast
NotebookCast provides a real-time collaborative whiteboard with audio and video calls for teaching, sketching and teamwork.
About NotebookCast
NotebookCast is a free web-based whiteboard for real-time drawing, writing and discussion. Users can create a whiteboard without signing up, share it with others, and draw or write together at the same time. Changes made by one user appear immediately for the other users.
Audio and video calls are built into the whiteboard. The homepage states that call duration is not limited and that all guests on the whiteboard can join. Whiteboards can be saved as reusable templates and stored for later use, but saving them and using some control options requires a registered account.
Key features
- Real-time whiteboard where several users can draw and write at once
- Audio and video calls built into the whiteboard
- Reusable whiteboard templates for creating new whiteboards
- Chat, shape drawing, embedded text, sticky notes and laser pointer tools
- Audio notes that can be added to the whiteboard
- Shareable link for inviting others to a whiteboard
Best for: Teachers, tutors and small teams that need a shared whiteboard with calls and no account setup.
Good for
- A whiteboard can be started without signing up or logging in
- Changes from one user appear for other users in real time
- Templates can be reused to create as many whiteboards as needed
Watch out for
- Saving whiteboards to a dashboard requires a registered free account
- Additional whiteboard control options are available only with an account
NotebookCast at a glance
- Website
- notebookcast.com
- Category
- Research & Data › Research & Study Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Good for
- Educators
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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NotebookCast FAQ
Can I use the whiteboard without creating an account?
Yes. The homepage states that no registration is needed and that a whiteboard can be started by clicking the Create Whiteboard button.
Is there a time limit on audio calls?
The homepage states there is no limit to the duration of the call, and all guests on the whiteboard can join.
How do I keep my whiteboards for later?
Register for a free account and log in. Whiteboards are then saved in your dashboard.
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