NotebookCast provides a real-time collaborative whiteboard with audio and video calls for teaching, sketching and teamwork.
GeoGebra
GeoGebra provides free tools for graphing, geometry and classroom activities, including a collaborative whiteboard.

About GeoGebra
GeoGebra is an interactive mathematics platform for teaching and learning at school and university. It provides calculators and learning apps for graphing functions, solving equations, creating geometric constructions, exploring 3D mathematics, and working with data and statistics, along with ready-made resources for Grades 4 to 12 and tools to create and share materials.
Teachers can run interactive lessons, view student progress in real time, and use integration with various LMSs. Calculators, apps, and educational resources are free for non-commercial use, while commercial use requires a separate license. Many features work without an account, but an account is needed to save work online, access it across devices, or use sharing features.
Key features
- Graph functions and solve equations
- Create dynamic geometric constructions
- Explore 3D mathematics and perform calculations
- Work with data and statistics
- Solve homework from photos with step-by-step explanations
- Monitor student progress in real time with feedback
- Calculators, apps, and educational resources are free for non-commercial use
- Many features work without an account and files can be saved locally
- Installed apps support use of main math tools without an internet connection
- Commercial use requires a separate license
- An account is required to save work online or use sharing features
GeoGebra at a glance
- Website
- geogebra.org
- Category
- Research & Data › Research & Study Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, iOS, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
GeoGebra alternatives
Tools and sites you could use instead, ranked by how closely they match.
Wordwall lets teachers create quizzes, matching games, flashcards and more than 30 classroom activity types.
Knowt turns study material into AI flashcards and offers learn and other study modes.
Web Whiteboard lets people sketch, brainstorm and share ideas in a real-time collaborative workspace.
As a collaborative digital canvas, Microsoft Whiteboard supports meetings and learning with text, drawings, images and shared editing.
ExcaliHub stores, organizes and shares collaborative Excalidraw whiteboards.
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GeoGebra FAQ
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