LockDB is a cross-platform tool you can use to handle process/event locking and avoid race conditions. It is sometimes also known as a semaphore.

distributed lock using zookeeper

Mutex library for javascript. Compatible with browsers and Nodejs.

NodeJS Transaction Locking Mutex Example

NodeJs Database Concurrency explores strategies to handle multiples users in high concurrency. Here I explore NodeJs, Typescript, PostgreSql with different packages including pg and Prisma ORM.

Distributed locking on Node.js

A git-based locking mechanism for Unity CCD bucket operations. Can be used to prevent simultaneous operations.

A (better) node.js lock library