igraph
The premium Open Source alternative to Pajek
🎯 Best for:Large-scale network modeling and statistical analysis
What is igraph?
Replaces proprietary network analysis software with a high-performance library for complex graph theory. It handles millions of vertices and edges using an efficient C core with high-level language bindings.
Tech Stack
CMathematics & Statistics
Why igraph?
- • Extremely fast graph processing
- • Cross-platform compatibility
- • Rich set of visualization options
Limitations
- • Steep learning curve for C API
- • Visualization requires external libraries for best results
- • Memory intensive for massive datasets
3/5/2026
Last Update
438
Forks
266
Issues
GPL-2.0
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to igraph instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Pajek)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%