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ulid

Published by 🇺🇸agilord.com · v2.2.0 · released 1 month ago · BSD-3-CLAUSE License

First published 9 years ago.

Lexicographically sortable, 128-bit identifier (UUID) with 48-bit timestamp and 80 random bits. Canonically encoded as a 26 character string, as opposed to the 36 character UUID.

View on pub.dev View source
#270 in Utilities #1452 overall androidioswindowslinuxmacosweb
Downloads / day
1,514
as of 2026-10-19
GitHub stars
41
★ refreshed weekly
Likes
56
on pub.dev
Pub points
160 / 160
perfect score
2026-09-19 2026-10-19

Repository health

Last commit
1 month ago
Commit activity
Open issues
1
Open PRs
0
Contributors
5 (top contributor 76%)
CI
None detected
License (repo)

Last refreshed 21 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

ulid

4 commits in the past year
Stable
5 3 0 52w ago36w ago18w agothis week
Weekly average
0.1 commits
Busiest week
4 commits, 1 week ago
Active weeks
1 of 52 (2%)
Longest quiet stretch
50 weeks with no commits

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

How ulid compares in Utilities

Top of the Utilities leaderboard, with ulid 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
#270
ulid
agilord.com
1.5K ★ 41 56