mdBook VS nomicon

Compare mdBook vs nomicon and see what are their differences.


Create book from markdown files. Like Gitbook but implemented in Rust (by rust-lang)


The Dark Arts of Advanced and Unsafe Rust Programming (by rust-lang)
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mdBook nomicon
101 87
16,875 1,705
2.7% 2.9%
8.6 5.6
1 day ago 6 days ago
Rust CSS
Mozilla Public License 2.0 Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of mdBook. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-29.


Posts with mentions or reviews of nomicon. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-12-07.
  • [Media] I'm comparing writing a double-linked list in C++ vs with Rust. The Rust implementation looks substantially more complex. Is this a bad example? (URL in the caption)
    6 projects | /r/rust | 7 Dec 2023
    it’s even written by the same person that wrote the Nomicon (the guide to the dark arts of unsafe)
  • Rust books to read
    2 projects | /r/rust | 23 Jun 2023
    If you want to dive deeper you can always have other options but now there are concrete cases, if you want to do low level thing while if you want multi thread/concurrency stuff . There are many many books so you will have to point yourself to what you want
  • Thread-shared boolean flag
    1 project | /r/rust | 23 Jun 2023
    Nonononono. SeqCst is the most error prone memory order:
  • [Media] Hashmap behaviour inside a loop due to lifetime issue
    1 project | /r/rust | 22 Jun 2023
    Hope this helps. For more details, see the Rustonomicon. I referenced the subtyping chapter here extensively.
  • Unsafe Rust
    2 projects | /r/rust | 15 Jun 2023
    Nice video! Glad I could help out. This stuff is hard, and I'm still learning a lot about it myself even years later. The Rustonomicon is a great read if you haven't already.
  • Stepping up the YAML engineer game
    2 projects | /r/devops | 25 May 2023
    Have you got a moment to read through the good book , after reading through this perhaps try the Rustonomicon.
  • Questions about ownership rule
    2 projects | /r/rust | 23 May 2023
  • CppCon 2022 Best Practices Every C++ Programmer Needs to Follow – Oz Syed
    1 project | | 19 May 2023
    That is not what UB means. Undefined Behaviour is behaviour that the compiler is allowed to assume will never happen, and which can consequently cause miscompilations due to optimisation passes gone wrong if it does in fact occur in the source code.

    It's true that Rust does not have a written specification that clearly delineates what is and isn't UB in a single place. But:

    1. UB is impossible in safe code (modulo bugs in unsafe code)

    2. There are resources such as the Rustinomicon ( that provide a detailed guide on what is and isn't allowed in unsafe code.

    In practice, it's much easier to avoid UB in Rust than it is in C++.

  • How to write deserializer for custom binary protocol?
    2 projects | /r/rust | 13 May 2023
    However, this is a wide topic out of scope for a Reddit comment, so maybe just read the Rustonomicon. It explains everything about data handling in Rust.
  • Performance critical ML: How viable is Rust as an alternative to C++
    4 projects | /r/rust | 2 May 2023
    The ownership model & borrow checker makes rust a bit of an awkward language in which to write complex data structures like trees and graphs. It can be done - since you can always use raw pointers & unsafe code when you absolutely need to to treat rust like C. But the language fights you, and the community can get a bit moralistic about this sort of thing. The rust nomicon is a fantastic resource for learning the limits of the borrow checker, and where and how to use unsafe code correctly. You will need unsafe less than you think you will, but sometimes you will have no choice.

What are some alternatives?

When comparing mdBook and nomicon you can also consider the following projects:

gitbook - The open source frontend for GitBook doc sites

book - The Rust Programming Language

MkDocs - Project documentation with Markdown.

rust-ffmpeg - Safe FFmpeg wrapper.

Wiki.js - Wiki.js | A modern and powerful wiki app built on Node.js

Theseus - Theseus is a modern OS written from scratch in Rust that explores 𝐢𝐧𝐭𝐫𝐚𝐥𝐢𝐧𝐠𝐮𝐚𝐥 𝐝𝐞𝐬𝐢𝐠𝐧: closing the semantic gap between compiler and hardware by maximally leveraging the power of language safety and affine types. Theseus aims to shift OS responsibilities like resource management into the compiler.

bookdown - Authoring Books and Technical Documents with R Markdown

Exercism - website - The codebase for Exercism's website.

obsidian-releases - Community plugins list, theme list, and releases of Obsidian.

miri - An interpreter for Rust's mid-level intermediate representation

Docusaurus - Easy to maintain open source documentation websites.

seL4 - The seL4 microkernel