PromiseQ

Promise queue for Node.js that maintains a queue of promises and tracks completion of individual jobs and the entire queue. Inspired by promise-queue but built specifically for Node.js with bluebird providing promises and async.queue for queue operations. Current stable version is 1.1.0, with a low release cadence (1.1.0 released with stat deprecations and additions; 1.0.0 added canAccept() and allowance). Differentiators include integration with bluebird, async.queue backing, and statistics tracking (complete, failed, succeeded).