The
Flutter-powered AI app builder A head-to-head of two Functional Programming packages on pub.dev, by daily downloads, GitHub activity, and maintenance.
built_collection leads on usage with about 54.0x the daily downloads of fast_immutable_collections (245,584 vs 4,547 per day). built_collection has the larger GitHub following (285 vs 229 stars).
🇺🇸 google.dev · v5.1.1
Immutable collections based on the SDK collections. Each SDK collection class is split into a new immutable collection class and a corresponding mutable builder class.
🇺🇸 glasberg.dev · v11.2.0
Immutable lists, sets, maps, and multimaps, which are as fast as their native mutable counterparts. Extension methods and comparators for native Dart collections.
| Metric | built_collection | fast_immutable_collections |
|---|---|---|
| Downloads / day | 245,584 | 4,547 |
| Rank in Functional Programming | #1 | #8 |
| GitHub stars | 285 | 229 |
| Likes | 345 | 409 |
| Pub points | 150 / 160 | 150 / 160 |
| Issue response (median) | — | — |
| Contributors | 22 | 14 |
| Last commit | 1 month ago | 4 months ago |
| CI | Yes | Yes |
| License | BSD-3-Clause | BSD-2-Clause |
| First published | 11 years ago | 5 years ago |
| Platforms | android, ios, windows, linux, macos, web | android, ios, windows, linux, macos, web |
Highlighted cell wins each comparable metric. For rank, issue response, and last commit, lower is better.