A free and open source math plotter, easy to pick up
Create fast, fun, weird presentations and publish them as real web links
Stage
Established
MVP
Founded
2011
Not given
Based in
Not given
PT
Pricing model
Open source
Freemium
Pricing
Not given
Free: create and publish anonymously, no account required. Pro: €9.99/month or €79/year (also available via Patreon Supporter membership during Early Access).
Key features
Natural function notation like f(x) = 2 + cos(x)
Sequences from recurrence relations
Parametric equations with custom intervals
CSV data import and spreadsheet editing
Animated constants and variable families
Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
Grid customization with π multiples for ticks
Interactive navigation with drag and zoom
Multi-language support in 9 languages
Built-in manual and automatic work saving
Create presentations without account or login required
Publish presentations as public web links
Embed presentations on your own website
Publish under custom @handle (Pro only)
Up to 15 slides per deck (Free) or 25 slides (Pro)
What makes it different
Draws mathematical objects exactly as written on paper with natural notation
Handle CSV files of several million cells
Objects can build on each other in expressions
Exports with exact size in real centimeters
Fully free and open source under GNU AGPL license
Anonymous publishing without login or credit card
Simple two-tier pricing with no hidden plans or upgrades
Ownership and control features distinguish Free from Pro
ZeGrapher