bluebird

Full featured Promises/A+ implementation with exceptionally good performance

v3.7.2 URL: https://unpkg.com/bluebird@3.7.2/js/release/bluebird.js

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when

A lightweight Promises/A+ and when() implementation, plus other async goodies.

v3.7.8 URL: https://unpkg.com/when@3.7.8/when.js

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cujo Promises/A+promises-aplus promise promises deferred deferreds when async asynchronous ender

promise-deferred

A lightweight Deferred implementation, on top of Promises/A+

v2.0.4 URL: https://unpkg.com/promise-deferred@2.0.4/index.js

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yaku

A lightweight promise library

v1.0.1 URL: https://unpkg.com/yaku@1.0.1/lib/yaku.js

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light-weight es6 promise performance promises promises-a promises-aplus async await deferred deferreds future flow control

es6-promise-pool

Runs Promises in a pool that limits their concurrency.

v2.5.0 URL: https://unpkg.com/es6-promise-pool@2.5.0/es6-promise-pool.js

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