It's hard
Graphviz-like generic graph-drawing library. More options, more control.
https://eclipse.dev/elk/
Experiments by the same team responsible for the development of ELK, at Kiel University
https://github.com/kieler/KLighD
Kieler project wiki
https://rtsys.informatik.uni-kiel.de/confluence/display/KIEL...
Constraint-based graph drawing libraries
https://www.adaptagrams.org/
JS implementation
https://ialab.it.monash.edu/webcola/
Some cool stuff:
HOLA: Human-like Orthogonal Network Layout
https://ialab.it.monash.edu/~dwyer/papers/hola2015.pdf
Confluent Graphs demos: makes edges more readable.
https://www.aviz.fr/~bbach/confluentgraphs/
Stress-Minimizing Orthogonal Layout of Data Flow Diagrams with Ports
https://arxiv.org/pdf/1408.4626.pdf
Improved Optimal and Approximate Power Graph Compression for Clearer Visualisation of Dense Graphs
https://arxiv.org/pdf/1311.6996v1.pdf
It's hard
Graphviz-like generic graph-drawing library. More options, more control.
https://eclipse.dev/elk/
Experiments by the same team responsible for the development of ELK, at Kiel University
https://github.com/kieler/KLighD
Kieler project wiki
https://rtsys.informatik.uni-kiel.de/confluence/display/KIEL...
Constraint-based graph drawing libraries
https://www.adaptagrams.org/
JS implementation
https://ialab.it.monash.edu/webcola/
Some cool stuff:
HOLA: Human-like Orthogonal Network Layout
https://ialab.it.monash.edu/~dwyer/papers/hola2015.pdf
Confluent Graphs demos: makes edges more readable.
https://www.aviz.fr/~bbach/confluentgraphs/
Stress-Minimizing Orthogonal Layout of Data Flow Diagrams with Ports
https://arxiv.org/pdf/1408.4626.pdf
Improved Optimal and Approximate Power Graph Compression for Clearer Visualisation of Dense Graphs
https://arxiv.org/pdf/1311.6996v1.pdf