ZeGrapher vs Trangram

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ZeGrapher compared with Trangram
Detail	ZeGrapher	Trangram
What it does	A free and open source math plotter, easy to pick up	Free browser-based vector editor for creating illustrations and animations
Stage	Established	Established
Founded	2011	2019
Based in	Not given	Not given
Pricing model	Open source	Free
Pricing	Not given	Not given
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	Looping - Cycle, Ping Pong, and Continue patterns Easing functions - control animation timing Export to multiple formats - MP4, WebM, GIF, PNG, JPG, WebP, SVG
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	Single platform combining illustration and animation without switching tools Iterative workflow to continuously refine designs and animations No installation, signup, or login required Guided tours for beginners learning illustration and animation Powerful Bézier curve tools for smooth, flexible shapes
Community votes	0	0
DR (Domain Rating by Ahrefs)	40 +1 (up) since last check	13 no change since last check
Trust Flow (Majestic)	11	5
Citation Flow (Majestic)	11	28
Referring domains (Majestic)	53	126

6 details filled in for both companies.

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