Mesa 3: Agent-based modeling with Python in 2025

Mesa 3: Agent-based modeling with Python in 2025 - Published in JOSS (2025)
https://github.com/projectmesa/mesa

Keywords

agent-based-modeling agent-based-simulation complex-systems complexity-analysis gis mesa modeling-agents simulation simulation-environment simulation-framework spatial-models

Keywords from Contributors

transformer language-model observability convolutional-neural-networks parallel tokenization community profiles bioinformatics reporting

Last synced: 3 months ago
JSON representation

Acceptance Criteria

Revelant topics? true
External users? true
Open source license? true
Active? true
Fork? false

Repository metadata

Mesa is an open-source Python library for agent-based modeling, ideal for simulating complex systems and exploring emergent behaviors.

Host: GitHub
URL: https://github.com/projectmesa/mesa
Owner: projectmesa
License: apache-2.0
Created: 2014-09-19T21:16:30.000Z (over 11 years ago)
Default Branch: main
Last Pushed: 2025-10-16T12:29:24.000Z (3 months ago)
Last Synced: 2025-10-20T21:23:00.114Z (3 months ago)
Topics: agent-based-modeling, agent-based-simulation, complex-systems, complexity-analysis, gis, mesa, modeling-agents, simulation, simulation-environment, simulation-framework, spatial-models
Language: Python
Homepage: https://mesa.readthedocs.io
Size: 14.1 MB
Stars: 3,188
Watchers: 97
Forks: 1,044
Open Issues: 151
Releases: 0
Metadata Files:
- Readme: README.md
- Changelog: HISTORY.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
- Citation: CITATION.cff
- Notice: NOTICE

Owner metadata

Name: Project Mesa
Login: projectmesa
Email:
Kind: organization
Description: Mesa is an open-source Python library for agent-based modeling, ideal for simulating complex systems and exploring emergent behaviors.
Website:
Location:
Twitter:
Company:
Icon url: https://avatars.githubusercontent.com/u/8754505?v=4
Repositories: 9
Last ynced at: 2024-12-29T19:14:39.337Z
Profile URL: https://github.com/projectmesa

Committers metadata

Last synced: 3 months ago

Total Commits: 2,336
Total Committers: 169
Avg Commits per committer: 13.822
Development Distribution Score (DDS): 0.82

Commits in past year: 228
Committers in past year: 28
Avg Commits per committer in past year: 8.143
Development Distribution Score (DDS) in past year: 0.768

Name	Email	Commits
rht	r**t@p**m	420
jackiekazil	j**l@g**m	367
Ewout ter Hoeven	E**n@s**l	299
David Masad	d**d@g**m	168
Jan Kwakkel	j**l@t**l	134
Corvince	1****e	127
tpike3	b**8@g**m	103
Tortar	6****r	58
pre-commit-ci[bot]	6****]	51
Taylor Mutch	t**h@g**m	42
cauemello	c**o@g**m	24
Dustin J. Mitchell	d**n@v**s	23
Jeetu	a**p@y**m	22
Sahil Chhoker	c**5@g**m	21
ReblochonMasque	t**d@g**m	17
Animesh Rawat	1****9	15
dependabot[bot]	4****]	15
Wang Boyu	b**y@g**m	13
Jon Schiefelbein	l**e@h**m	13
Drewrey Lupton	d**y@g**m	13
SebastianoF	s**s@g**m	12
Thomas Johnson	t**0@h**m	12
Matt Davis	j**b@g**m	10
Nathan Miller	n**m@g**m	10
rlskoeser	r**r@p**u	9
Sascha Holzhauer	S**r@u**e	9
Sanika	n**p@g**m	9
Stephen Mubita	s**a@a**m	8
James Arruda	j**a@g**m	8
Ankit Kumar	a**r@t**e	7
and 139 more...

Committer domains:

Issue and Pull Request metadata

Last synced: 3 months ago

Total issues: 343
Total pull requests: 1,309
Average time to close issues: over 1 year
Average time to close pull requests: 25 days
Total issue authors: 124
Total pull request authors: 100
Average comments per issue: 3.75
Average comments per pull request: 5.49
Merged pull request: 971
Bot issues: 0
Bot pull requests: 52

Past year issues: 106
Past year pull requests: 479
Past year average time to close issues: 8 days
Past year average time to close pull requests: 6 days
Past year issue authors: 48
Past year pull request authors: 49
Past year average comments per issue: 2.14
Past year average comments per pull request: 4.54
Past year merged pull request: 339
Past year bot issues: 0
Past year bot pull requests: 23

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/projectmesa/mesa

Top Issue Authors

EwoutH (65)
quaquel (38)
rht (30)
jackiekazil (26)
tpike3 (13)
Corvince (11)
rlskoeser (10)
Sahil-Chhoker (6)
wang-boyu (5)
dmasad (4)
AlABarazi (4)
SebastianoF (3)
nivedkrishnans (2)
henrykironde (2)
mikevlan (2)

Top Pull Request Authors

EwoutH (334)
rht (210)
quaquel (205)
Corvince (75)
jackiekazil (63)
tpike3 (47)
Sahil-Chhoker (44)
pre-commit-ci[bot] (40)
sanika-n (25)
wang-boyu (19)
aarav-shukla07 (13)
colinfrisch (12)
dependabot[bot] (11)
catherinedevlin (8)
Holzhauer (8)

Top Issue Labels

docs (24)
visualisation (18)
feature (17)
bug (16)
Sprints! (14)
good first issue (12)
0 - Triage (11)
enhancement (9)
1 - Backlog (8)
help wanted (8)
discuss (8)
example (7)
Performance (6)
easy task!!! (5)
maintenance (4)
ci (4)
front end (4)
breaking (3)
2 - WIP (3)
experimental (3)
ignore-for-release (3)
Feature (1)
wontfix (1)
has_pr (1)
p1 (1)
javascript (1)
testing (1)

Top Pull Request Labels

docs (163)
ignore-for-release (127)
enhancement (105)
feature (87)
maintenance (86)
bug (82)
visualisation (70)
example (63)
ci (51)
experimental (48)
breaking (31)
testing (24)
backport (19)
deprecation (19)
easy task!!! (15)
trigger-benchmarks (15)
backport-candidate (13)
dependencies (13)
github_actions (11)
3 - Accept (9)
Performance (8)
2 - WIP (8)
Sprints! (8)
discuss (3)
help wanted (3)
packaging (2)
BREAKING Change (2)
depedency (1)

Package metadata

Total packages: 4
Total downloads:
- pypi: 82,414 last-month
Total dependent packages: 9 (may contain duplicates)
Total dependent repositories: 140 (may contain duplicates)
Total versions: 144
Total maintainers: 6

pypi.org: mesa

Agent-based modeling (ABM) in Python

Homepage:
Documentation: https://mesa.readthedocs.io/
Licenses: Apache 2.0
Latest release: 3.3.0 (published 4 months ago)
Last Synced: 2025-10-26T00:52:36.718Z (3 months ago)
Versions: 80
Dependent Packages: 7
Dependent Repositories: 137
Downloads: 82,400 Last month
Rankings:
- Dependent packages count: 1.068%
- Dependent repos count: 1.29%
- Forks count: 1.473%
- Stargazers count: 1.567%
- Average: 1.579%
- Downloads: 2.497%
Maintainers (5)
- rht
- jackiekazil
- tpike3
- boyuw
- EwoutH

proxy.golang.org: github.com/projectmesa/mesa

Homepage:
Documentation: https://pkg.go.dev/github.com/projectmesa/mesa#section-documentation
Licenses: apache-2.0
Latest release: v3.3.0+incompatible (published 4 months ago)
Last Synced: 2025-10-26T00:52:42.056Z (3 months ago)
Versions: 54
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Forks count: 0.984%
- Stargazers count: 1.385%
- Average: 3.37%
- Dependent packages count: 5.375%
- Dependent repos count: 5.736%

conda-forge.org: mesa

Mesa is an open-source Python library for agent-based modeling, ideal for simulating complex systems and exploring emergent behaviors.

Homepage: https://github.com/projectmesa/mesa
Licenses: Apache-2.0
Latest release: 1.1.1 (published about 3 years ago)
Last Synced: 2025-10-26T00:52:55.412Z (3 months ago)
Versions: 8
Dependent Packages: 2
Dependent Repositories: 3
Rankings:
- Forks count: 5.87%
- Stargazers count: 9.189%
- Average: 13.138%
- Dependent repos count: 17.914%
- Dependent packages count: 19.581%

pypi.org: epsteinsovereigncitizens

A spatial alteration to Epstein's civil violence model

Homepage:
Documentation: https://epsteinsovereigncitizens.readthedocs.io/
Licenses: Apache 2.0
Latest release: 1.0.1 (published 6 months ago)
Last Synced: 2025-10-26T00:52:54.765Z (3 months ago)
Versions: 2
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 14 Last month
Rankings:
- Dependent packages count: 8.909%
- Average: 29.556%
- Dependent repos count: 50.202%
Maintainers (1)
- pluumenbrownie

Dependencies

Pipfile pypi

pytest * develop
pytest-cov * develop
mesa *

Pipfile.lock pypi

attrs ==21.4.0 develop
coverage ==6.4 develop
iniconfig ==1.1.1 develop
packaging ==21.3 develop
pluggy ==1.0.0 develop
py ==1.11.0 develop
pyparsing ==3.0.9 develop
pytest ==7.1.2 develop
pytest-cov ==3.0.0 develop
tomli ==2.0.1 develop
arrow ==1.2.2
binaryornot ==0.4.4
certifi ==2022.5.18.1
chardet ==4.0.0
charset-normalizer ==2.0.12
click ==8.1.3
cookiecutter ==2.1.0
idna ==3.3
jinja2 ==3.1.2
jinja2-time ==0.2.0
markupsafe ==2.1.1
mesa ==0.9.0
networkx ==2.8.2
numpy ==1.22.4
pandas ==1.4.2
python-dateutil ==2.8.2
python-slugify ==6.1.2
pytz ==2022.1
pyyaml ==6.0
requests ==2.27.1
six ==1.16.0
text-unidecode ==1.3
tornado ==6.1
tqdm ==4.64.0
urllib3 ==1.26.9

.github/workflows/build_lint.yml actions

actions/cache v3 composite
actions/checkout v3 composite
actions/setup-python v4 composite
codecov/codecov-action v3 composite

.github/workflows/codespell.yml actions

actions/checkout v3 composite
codespell-project/actions-codespell master composite

.github/workflows/release.yml actions

actions/checkout v3 composite
actions/setup-python v4 composite
actions/upload-artifact v3 composite
pypa/gh-action-pypi-publish release/v1 composite

Dockerfile docker

python 3.10-slim build

docker-compose.yml docker

mesa dev

Score: 24.56471494126869

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