awesome-lockfree

Boost lock-free data structures

ConcurrencyKit

Concurrency primitives

crossbeam

Rust library for concurrent programming

Folly

Facebook Open-source Library (has good implementation of MPMC queue)

Junction

Concurrent data structures in C++

MPMCQueue

A bounded multi-producer multi-consumer lock-free queue written in C++11

SPSCQueue

A bounded single-producer single-consumer wait-free and lock-free queue written in C++11

Seqlock

Implementation of Seqlock in C++

liburcu is a userspace RCU (read-copy-update) library

libcds

A C++ library of Concurrent Data Structures

portable, license-free, lock-free data structure library written in C

xenium

A C++ library providing various concurrent data structures and reclamation schemes

Dmitry Vyukov's website on lock-free programming

A web site dedicated to Concurrent algorithms and patterns

Lots of info on modern computer architecture

Herb Sutter on software development

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The Michael - Scott Queue