* [contain-rs](https://github.com/contain-rs) — Extension of Rust's std::collections
* [danielpclark/array_tool](https://github.com/danielpclark/array_tool) — Array helpers for Rust. Some of the most common methods you would use on Arrays made available on Vectors. Polymorphic implementations for handling most of your use cases. [<img src="https://api.travis-ci.org/danielpclark/array_tool.svg?branch=master">](https://travis-ci.org/danielpclark/array_tool)
* [fizyk20/generic-array](https://github.com/fizyk20/generic-array) – a hack to allow for arrays sized by typenums [<img src="https://travis-ci.org/fizyk20/generic-array.svg?branch=master">](https://travis-ci.org/fizyk20/generic-array)
* [Nemo157/roaring-rs](https://github.com/Nemo157/roaring-rs) – Roaring Bitmaps in Rust [<img src="https://travis-ci.org/Nemo157/roaring-rs.svg?branch=master">](https://travis-ci.org/Nemo157/roaring-rs)