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fsrs

v2.0.1 · released 1 year ago · MIT License

First published 2 years ago.

A Dart package for FSRS, which implements the Free Spaced Repetition Scheduler algorithm. This package assists developers in incorporating FSRS into their flashcard applications.

View on pub.dev View source
#608 in Utilities #3553 overall no release in 1 year androidioswindowslinuxmacosweb
Downloads / day
148
as of 2026-07-06
GitHub stars
59
★ refreshed weekly
Likes
22
on pub.dev
Pub points
160 / 160
perfect score
2026-06-06 2026-07-06

Repository health

Last commit
1 year ago
Commit activity
Open issues
3
Open PRs
1
Contributors
5 (top contributor 78%)
CI
GitHub Actions
License (repo)

Last refreshed 9 days ago.

License explained · MIT

MIT License

Use freely, even commercially. Just keep the copyright notice.

A short and simple permissive license with conditions only requiring preservation of copyright and license notices. Licensed works, modifications, and larger works may be distributed under different terms and without source code.

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

fsrs

0 commits in the past year
Stable
1 1 0 52w ago36w ago18w agothis week
Weekly average
0.0 commits
Busiest week
0 commits, this week
Active weeks
0 of 52 (0%)
Longest quiet stretch
52 weeks with no commits

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

How fsrs compares in Utilities

Top of the Utilities leaderboard, with fsrs highlighted.

Rank Package Downloads / day Stars Likes
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356.4K ★ 886 780
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#3
meta
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340.9K ★ 11.2K 475
#4
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🇺🇸 dart.dev
334.4K ★ 69 635
#608
fsrs
 148 ★ 59 22