JuliaGraphs/Graphs.jl

View on GitHub

An optimized graphs package for the Julia programming language

Stars: 538
Forks: 128
Open beginner issues: 0
Indexed issues: 114
Avg merge: 10h 25m
Merged PRs (30d): 2

Dominant language: Julia
License: No license data
Last GitHub push: Sep 7, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

Open All

114 open issues indexed

Efficient iteration over connected subgraphs, spanning trees, and more Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#521 · Opened Aug 13, 2026
Hashing and equality of `SimpleGraphs.SimpleEdgeIter` Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

JuliaGraphs/Graphs.jl#504 · 4 comments · Opened Mar 23, 2026
Deprecated CycleGraph usage needs removing. Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

JuliaGraphs/Graphs.jl#498 · 1 comment · Opened Feb 23, 2026
Squash implementation missing Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaGraphs/Graphs.jl#497 · 1 comment · Opened Feb 23, 2026
Use DocumenterCitations in the docs Open

good first issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#483 · 3 comments · Opened Dec 24, 2025
[BUG] `enumerate_paths` does not give all paths Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

JuliaGraphs/Graphs.jl#478 · 7 comments · Opened Dec 14, 2025
Proposal: Add new random social-network generator Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#475 · 1 comment · Opened Nov 28, 2025
GraphsFlows.jl is unreachable from docs Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

JuliaGraphs/Graphs.jl#470 · 1 comment · Opened Nov 1, 2025
Performance discrepancy for (Weighted) DiGraphs when using weakly_connected_components() function Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#465 · 3 comments · Opened Oct 23, 2025
A reliable idiomatic wrapper for networkx [$400] Open

bounty bounty:400

JuliaGraphs/Graphs.jl#449 · 33 comments · 3 reactions · 1 assignee · Opened Jul 24, 2025
A reliable idiomatic wrapper for the C library `very_nauty` [$400] Open

bounty bounty:400

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#448 · 16 comments · 1 reaction · Opened Jul 24, 2025
A reliable idiomatic wrapper for the C++ library `LEMON` [$400] Open

bounty bounty:400 bounty:reserved

JuliaGraphs/Graphs.jl#447 · 20 comments · 2 reactions · 1 assignee · Opened Jul 24, 2025
A reliable idiomatic wrapper for the C library `igraphs` [$400] Open

bounty bounty:400

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#446 · 20 comments · 1 reaction · Opened Jul 24, 2025
Shortest path for direct acyclic graphs (DAG) Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

JuliaGraphs/Graphs.jl#445 · Opened Jul 6, 2025
Proposal: Make raph operators work with different graph types than SimpleGraph and SimpleDiGraph Open

enhancement Proposal

JuliaGraphs/Graphs.jl#441 · 1 comment · 1 reaction · 1 assignee · Opened Jun 10, 2025
Proposal: Execution policy type for selecting parallel computation policy Open

enhancement Proposal

JuliaGraphs/Graphs.jl#439 · 6 comments · 1 assignee · Opened Jun 6, 2025
Graph property recognition algorithms Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#431 · 12 comments · Opened May 16, 2025
add `line_graph` (vertex-edge-dual) Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaGraphs/Graphs.jl#426 · 10 comments · Opened Apr 2, 2025
BFS question for directed graph Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#422 · 4 comments · Opened Mar 18, 2025
Possible unintended reversion for (weighted) katz centrality? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#421 · 1 comment · Opened Mar 9, 2025
Typical graphs to test on? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#411 · 3 comments · Opened Nov 21, 2024
Work buffers for algorithms? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaGraphs/Graphs.jl#410 · 3 comments · 2 reactions · Opened Nov 21, 2024
[BUG] Eigenvector centrality for disconnected graphs Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#404 · 3 comments · Opened Oct 1, 2024
Time complexity of Johnson's algorithm wrongly stated in documentation Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

JuliaGraphs/Graphs.jl#401 · 1 comment · Opened Sep 26, 2024
Vertex mapping for all functions that return a subgraph Open

good first issue

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaGraphs/Graphs.jl#398 · Opened Sep 19, 2024
Interface without needing `AbstractGraph`? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#395 · 6 comments · 2 reactions · Opened Aug 12, 2024
Hope to implement of infomap Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaGraphs/Graphs.jl#386 · 1 comment · Opened Jun 14, 2024
Add tests on release candidate when it comes out Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaGraphs/Graphs.jl#375 · Opened May 4, 2024
`SimpleGraph(::Base.OneTo)` Open

enhancement wontfix

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#365 · 5 comments · Opened Apr 19, 2024
Define `rem_edge!(::AbstractGraph, ::Pair)` Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JuliaGraphs/Graphs.jl#364 · 1 comment · Opened Apr 19, 2024
[BUG] `StackOverflowError` in `Graphs.Experimental.has_isomorph` Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#351 · 5 comments · Opened Mar 7, 2024
Functions for Edge Adjacency Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#349 · 1 comment · Opened Mar 3, 2024
Fix source of randomness in doctests Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#341 · 3 comments · Opened Feb 12, 2024
[BUG] `yen_k_shortest_paths` doesn't work with Unitful (i.e., `Number`) weights Open

bug

JuliaGraphs/Graphs.jl#321 · 1 comment · 1 assignee · Opened Dec 5, 2023
Test type-stability with JET Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#318 · Opened Nov 23, 2023
Question on neighbours functions returning a reference Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaGraphs/Graphs.jl#316 · 9 comments · 1 reaction · Opened Nov 20, 2023
Make benchmarks operational and clean them up Open

enhancement help wanted

JuliaGraphs/Graphs.jl#310 · 2 comments · 1 assignee · Opened Sep 28, 2023
Add example of API implementation to the docs Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#307 · 6 comments · Opened Sep 21, 2023
degree of loops Open

bug question

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#303 · 1 comment · Opened Sep 17, 2023
Some operations return a specific graph type instead of propagating Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#300 · Opened Sep 14, 2023
`clique_percolation` takes enormous memory and never finishes on a large graph Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#299 · 1 comment · Opened Sep 13, 2023
Contiguous vertices a requirement? Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#297 · 1 comment · Opened Sep 10, 2023
New Feature: Laplacian Centrality Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#290 · 1 comment · Opened Jul 30, 2023
Test correctness against networkx Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#287 · Opened Jul 27, 2023
Yen's algorithm relies on graph modification Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaGraphs/Graphs.jl#283 · Opened Jul 5, 2023
Indexability of `vertices` and `neighbors` Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaGraphs/Graphs.jl#282 · 6 comments · Opened Jul 5, 2023
Many operations require a modifiable graph Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaGraphs/Graphs.jl#281 · 2 comments · Opened Jul 5, 2023
Document behavior of `degree` for several vertices Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

JuliaGraphs/Graphs.jl#279 · Opened Jul 5, 2023
Would graph crossing utilities belong here? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaGraphs/Graphs.jl#267 · 8 comments · Opened Jun 29, 2023
Rename algorithms by what they return instead of their creator Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaGraphs/Graphs.jl#264 · 3 comments · 1 reaction · Opened Jun 28, 2023

JuliaGraphs/Graphs.jl

Get new issues in your inbox