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cassowary

Published by 🇺🇸google.dev · v0.4.3 · released 2 years ago · BSD-3-CLAUSE License

First published 11 years ago.

An implementation of the Cassowary constraint solving algorithm in Dart.

View on pub.dev View source
#558 in Utilities #3055 overall no release in 2 years androidioswindowslinuxmacosweb
Downloads / day
294
as of 2026-10-19
GitHub stars
47
★ refreshed weekly
Likes
15
on pub.dev
Pub points
160 / 160
perfect score
2026-09-19 2026-10-19

Repository health

Last commit
26 days ago
Commit activity
Open issues
1
Open PRs
0
Contributors
7 (top contributor 74%)
CI
GitHub Actions
License (repo)

Last refreshed 5 days ago.

License explained · BSD-3-Clause

BSD 3-Clause "New" License

Use freely, even commercially. Keep the notice. Don't use the author's name to endorse derived products without permission.

A permissive license similar to the BSD 2-Clause License, but with a 3rd clause that prohibits others from using the name of the copyright holder or its contributors to promote derived products without written consent.

You can

  • Commercial use
  • Distribution
  • Modification
  • Private use

You must

  • Include the license and copyright notice

The license does not

  • No liability
  • No warranty

Plain-English summary, not legal advice. Full text on SPDX or choosealicense.com. Summaries adapted from choosealicense.com (a GitHub project, MIT-licensed).

Commit activity, past 52 weeks

cassowary

5 commits in the past year
Accelerating +200% vs 9 months ago
5 3 0 52w ago36w ago18w agothis week
Weekly average
0.1 commits
Busiest week
2 commits, 9 weeks ago
Active weeks
4 of 52 (8%)
Longest quiet stretch
29 weeks with no commits

Weekly commits to the default branch on GitHub. Source: GET /stats/participation. Refreshed weekly. Excludes commits to other branches.

How cassowary compares in Utilities

Top of the Utilities leaderboard, with cassowary highlighted.

Rank Package Downloads / day Stars Likes
#1
yaml
🇺🇸 tools.dart.dev
598.2K ★ 116 295
#2
meta
🇺🇸 dart.dev
595.8K ★ 11.3K 479
#3
archive
🇺🇸 loki3d.com
586.2K ★ 468 903
#4
pub_semver
🇺🇸 tools.dart.dev
580.3K ★ 116 172
#558
cassowary
google.dev
294 ★ 47 15