Cross-process file locking solution with lock-queue

Send a cross process message if message channel is connected.

Cross process named mutex

Serializable error base class with type registration for cross-process error propagation.

Cross-process texture sharing using Spout.

Filesystem-based cross-process mutex

Optional Vala/GObject bridge providing cross-process shared memory + atomics for @gjsify/worker_threads. Wraps Linux memfd_create(2) + mmap(MAP_SHARED) to back JS-visible SharedBuffer regions whose fds can be passed to child workers via SCM_RIGHTS over a

Cross-process cache stampede protection for the cache you already use.

W3C MessageChannel + MessagePort for GJS — EventTarget-based, transport-pluggable. Same surface backs in-process channels (default), the @gjsify/iframe WebKit bridge, and (future) @gjsify/worker_threads cross-process workers.

Transport-agnostic cross-process publish/subscribe primitive for FuryStack

The bindings contract every other @app-studio/qa package reads: schema, loader, cross-process lock, command runner and the default layer stack.

BullMQ (Redis) Transport for nestjs-durable — cross-process and cross-language steps

Redis Pub/Sub event bus provider for Beignet - implements EventBusPort for cross-process best-effort delivery

Implements the MCP (Model Context Protocol) client and server, supporting cross-process interaction for tools/resources/prompts, with dual Stdio and SSE transport layers.

Pluggable dedup + budget stores (audit follow-up R3) — in-memory defaults, bun:sqlite cross-process backend

A pack of WebSocket Server and IPC to handle Discord cross-process communication.

Runtime-agnostic LM Studio pre-warm gate: cross-process lock, eviction planning, lms CLI client, model discovery, two-tier config.

Type-safe cross-process communication for Electron (main ↔ preload ↔ renderer ↔ utility process)

Cross-process queue for npm scripts. Later callers wait instead of running at the same time.

Cross-process runtime exclusion lease for managed GeoResearch installations