A memory-based read-write lock for Node.js.
lockmesh — In-memory lock with TTL; interface-friendly for Redis backends.
DOM trap for a focus
In-memory lock utility to prevent race conditions in JavaScript apps.
It is a trap! (for a focus)
Implements Lock and RWLock synchronization primitives.
A mutex for guarding async workflows
A inter-process and inter-machine lockfile utility that works on a local or network file system
provides locking mechanism to sync across browser tabs
In-memory lock manager for NodeJs helping to serialize access to a set of hierarchically organized resources.
Lock on asynchronous code
TypeScript definitions for async-lock
Mutex locks for async functions
React focus lock for all Chakra components
Enables body scroll locking (for iOS Mobile and Tablet, Android, desktop Safari/Chrome/Firefox) without breaking scrolling of a target element (eg. modal/lightbox/flyouts/nav-menus)
Simple lock class
lock asynchronous resources.
mutex lock for javascript
Throttle the parallelism of an asynchronous (promise returning) function / functions
🔐Body scroll locking that just works with everything
It is a trap! (for a focus)

TypeScript definitions for dom-screen-wake-lock
The Screen Orientation API provides methods to lock and unlock the screen orientation.
Secure signing core for Solana and EVM (Base) transactions with memory-locked key handling
no_std-first Base64 encoding and decoding with strict APIs and a security-heavy release process
Unsafe thin wrappers around OS memory locking syscalls (mlock/munlock/madvise)
Encrypt and store secrets in memory with password-based key derivation, authenticated encryption, and automatic zeroization
a minimal and persistent key-value store designed with security in mind.
Using In-Memory Databases to Work with Rails Active Record Locks
Lock memory containing sensitive data to prevent it from being swapped by the kernel
Fast and easy way to validate tons of urls without locking up your system or eating up too much memory.
This gem contains the sources and build scripts to build the async-profiler JVM plugin. This can be used with JRuby to profile CPU, memory, and lock contention.
E11y (Easy Telemetry) - Observability for Rails developers who hate noise. UNIQUE FEATURES: • Request-scoped debug buffering - buffers debug logs in memory, flushes ONLY on errors • Zero-config SLO tracking - automatic Service Level Objectives for HTTP endpoints and jobs • Schema-validated events - catch bugs before production with dry-schema DEVELOPER EXPERIENCE: • Minimal setup — one config block, works with stdout out of the box • Auto-metrics from events (no manual Yabeda.increment) • Rails-first design (follows Rails conventions) • Pluggable adapters (Loki, Sentry, OpenTelemetry, custom backends) COST SAVINGS: • Reduce log storage costs by 90% (request-scoped buffering) • Replace expensive APM SaaS ($500-5k/month → infra costs only) • Own your observability data (no vendor lock-in) PRODUCTION-READY: • Thread-safe for multi-threaded Rails + Sidekiq • Adaptive sampling (error-based, load-based, value-based) • PII filtering (GDPR-compliant masking/hashing) • Performance optimized (hash-based events, minimal allocations) Perfect for Rails 7.0+ teams who need observability without complexity or high costs.
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