NetworkX is a Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks.
- Website (including documentation): https://networkx.org
- Mailing list: https://groups.google.com/forum/#!forum/networkx-discuss
- Source: https://github.com/networkx/networkx
- Bug reports: https://github.com/networkx/networkx/issues
- Report a security vulnerability: https://tidelift.com/security
- Tutorial: https://networkx.org/documentation/latest/tutorial.html
- GitHub Discussions: https://github.com/networkx/networkx/discussions
- Discord (Scientific Python) invite link: https://discord.com/invite/vur45CbwMz
- NetworkX meetings calendar (open to all): https://scientific-python.org/calendars/networkx.ics
Find the shortest path between two nodes in an undirected graph:
>>> import networkx as nx >>> G = nx.Graph() >>> G.add_edge("A", "B", weight=4) >>> G.add_edge("B", "D", weight=2) >>> G.add_edge("A", "C", weight=3) >>> G.add_edge("C", "D", weight=4) >>> nx.shortest_path(G, "A", "D", weight="weight") ['A', 'B', 'D']
Install the latest released version of NetworkX:
$ pip install networkx
Install with all optional dependencies:
$ pip install networkx[default]
For additional details, please see the installation guide.
Please report any bugs that you find here. Or, even better, fork the repository on GitHub and create a pull request (PR). We welcome all changes, big or small, and we will help you make the PR if you are new to git (just ask on the issue and/or see the contributor guide).
Released under the 3-clause BSD license:
Copyright (c) 2004-2026, NetworkX Developers Aric Hagberg <[email protected]> Dan Schult <[email protected]> Pieter Swart <[email protected]>