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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 30.6x the daily downloads of rx (242,797 vs 7,932 per day). built_collection has the larger GitHub following (285 vs 13 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.
🇨🇭 lukas-renggli.ch · v0.5.0
Reactive Extensions Library for Dart providing an API for asynchronous programming with observable streams.
| Metric | built_collection | rx |
|---|---|---|
| Downloads / day | 242,797 | 7,932 |
| Rank in Functional Programming | #1 | #7 |
| GitHub stars | 285 | 13 |
| Likes | 345 | 12 |
| Pub points | 150 / 160 | 160 / 160 |
| Issue response (median) | — | — |
| Contributors | 22 | 3 |
| Last commit | 21 days ago | 21 days ago |
| CI | Yes | Yes |
| License | BSD-3-Clause | MIT |
| First published | 11 years ago | 7 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.