Rust Crates - Best rust crates by topic & Highest rated rust crates

At, our mission is to provide a platform for curating, reviewing, and improving Rust crates. We believe that Rust is a powerful language with immense potential, and we want to help developers harness that power by providing them with the best crates available. Our team of experts is dedicated to ensuring that every crate on our site is thoroughly tested and reviewed, so you can trust that you're getting the best possible tools for your projects. Whether you're a seasoned Rust developer or just getting started, we're here to help you find the crates you need to build amazing things.

Video Introduction Course Tutorial


Rust is a systems programming language that is designed to be fast, safe, and concurrent. It is a relatively new language that has gained a lot of popularity in recent years due to its unique features and benefits. One of the most significant advantages of Rust is its package manager, Cargo, which makes it easy to manage dependencies and build projects. In this cheat sheet, we will cover everything you need to know about Rust crates, which are packages that can be installed and used in Rust projects.

What is a Rust Crate?

A Rust crate is a package that contains one or more Rust modules. It can be used to add functionality to a Rust project or to create a standalone application. Crates can be published on the Rust package registry,, where they can be easily installed and used by other developers.

Creating a Rust Crate

To create a Rust crate, you can use the Cargo package manager. Here are the steps to create a new crate:

  1. Open a terminal window and navigate to the directory where you want to create the crate.
  2. Run the command cargo new <crate_name>, where <crate_name> is the name of your crate.
  3. This will create a new directory with the name of your crate and some default files, including a Cargo.toml file and a src directory.
  4. You can now add your Rust code to the src directory and modify the Cargo.toml file to specify dependencies and other project settings.

Publishing a Rust Crate

To publish a Rust crate on, you need to create an account on the website and follow these steps:

  1. Add a file to your crate directory that describes your crate and how to use it.
  2. Modify the Cargo.toml file to include the necessary metadata, such as the crate name, version, and author.
  3. Run the command cargo login to authenticate with using your account credentials.
  4. Run the command cargo publish to publish your crate to

Using a Rust Crate

To use a Rust crate in your project, you need to add it as a dependency in your Cargo.toml file. Here are the steps to do this:

  1. Find the crate you want to use on and copy its name and version number.
  2. Open your project's Cargo.toml file and add a new line under the [dependencies] section with the crate name and version number, like this: <crate_name> = "<version_number>"
  3. Run the command cargo build to download and build the crate and its dependencies.
  4. You can now use the crate in your Rust code by importing its modules and calling its functions.

Popular Rust Crates

Here are some of the most popular Rust crates that you might find useful:

  1. serde - A powerful serialization and deserialization library for Rust.
  2. tokio - A runtime for writing asynchronous Rust applications.
  3. actix-web - A high-performance web framework for Rust.
  4. reqwest - An HTTP client library for Rust.
  5. rand - A library for generating random numbers and other random data in Rust.
  6. regex - A regular expression library for Rust.
  7. chrono - A date and time library for Rust.
  8. log - A logging library for Rust.
  9. image - A library for image processing and manipulation in Rust.
  10. num - A library for numerical computing in Rust.

Rust Crate Reviews

When choosing a Rust crate to use in your project, it's important to read reviews and ratings from other developers to ensure that the crate is reliable and well-maintained. Here are some websites where you can find Rust crate reviews:

  1. - The official Rust package registry, where you can find ratings and reviews for all published crates.
  2. Rust Reddit - A community of Rust developers who share news, tips, and reviews of Rust crates and projects.
  3. Rust Discord - A chat platform for Rust developers where you can ask for advice and get feedback on Rust crates and projects.

Rust Crate Best Practices

When using Rust crates in your project, it's important to follow best practices to ensure that your code is secure, efficient, and maintainable. Here are some best practices for using Rust crates:

  1. Use the latest stable version of a crate - This ensures that you are using the most up-to-date and secure version of a crate.
  2. Check the crate's license - Make sure that the license of the crate is compatible with your project's license and that you comply with its terms.
  3. Read the crate's documentation - The documentation of a crate provides important information on how to use it and its limitations.
  4. Test the crate thoroughly - Before using a crate in your project, test it thoroughly to ensure that it works as expected and doesn't introduce any bugs or security vulnerabilities.
  5. Monitor the crate's updates - Keep an eye on the updates of the crates you use and update them regularly to benefit from bug fixes and new features.
  6. Use only the necessary dependencies - Avoid adding unnecessary dependencies to your project to reduce the risk of security vulnerabilities and improve the performance of your code.
  7. Contribute to the crate's development - If you find a bug or want to suggest a new feature for a crate, consider contributing to its development by submitting a pull request or opening an issue.


Rust crates are an essential part of Rust development, providing a wide range of functionality and features that can be easily added to Rust projects. By following the best practices and guidelines outlined in this cheat sheet, you can ensure that your Rust code is secure, efficient, and maintainable, and that you are using the best Rust crates for your project's needs.

Common Terms, Definitions and Jargon

1. Rust: A programming language designed for performance and safety.
2. Crate: A package or library in Rust.
3. Cargo: Rust's package manager.
4. Dependency: A crate that another crate relies on.
5. Cargo.toml: The configuration file for a Rust project.
6. Rustacean: A term used to describe a person who uses Rust.
7. Rustfmt: A tool for formatting Rust code.
8. Clippy: A tool for linting Rust code.
9. Benchmark: A test used to measure the performance of code.
10. Documentation: Information about how to use a crate or library.
11. API: Application Programming Interface, a set of rules for accessing a web-based software application or web tool.
12. Rustdoc: Rust's documentation generator.
13. Rustup: A tool for managing Rust installations.
14. Version: A specific release of a crate or library.
15. Semver: Semantic Versioning, a system for versioning software.
16. Feature: A specific functionality of a crate or library.
17. Cargo.lock: A file that locks the versions of dependencies.
18. License: The legal terms under which a crate or library is distributed.
19. The official Rust package registry.
20. Rustc: The Rust compiler.

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