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Top 23 JavaScript Promise Projects
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Project mention: How to Handle File Uploads with Node.js and Express - Multer Edition | dev.to | 2025-05-12
For this tutorial, we're going to scan the file for malware using Verisys Antivirus API, and so we'll add a package to make it easier to make external HTTP requests. Popular choices include Axios and node-fetch - for this article, we'll use node-fetch.
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Prototype-based inheritance is widely supported across modern browsers. However, older browsers (IE < 11) may have inconsistencies or performance issues. core-js (https://github.com/zloirock/core-js) provides polyfills for missing or buggy features, including Object.create() and prototype-related methods. Babel can be configured to transpile modern JavaScript code to older versions, ensuring compatibility. Feature detection using typeof or in operators can be used to conditionally apply polyfills only when necessary.
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Looking at the progress Node.js has made in the past few years makes me think that many popular and widely used npm packages might soon be unnecessary or even deprecated. Most Node.js developers are familiar with packages like dotenv for working with .env files, node-fetch for making HTTP requests, and jest for testing.
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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Project mention: Improving JavaScript Performance: Understanding Async Tasks in Arrays | dev.to | 2024-08-27
p-map is a lightweight library that helps you handle asynchronous operations on arrays with controlled concurrency. It allows you to map over an array of promises and specify a limit on the number of concurrent operations. This is particularly useful when you need to perform tasks like fetching data from multiple URLs, processing files, or interacting with APIs, as it helps prevent overwhelming your server or exceeding API rate limits. By using p-map, you can strike a balance between speed and resource management, ensuring that your application remains stable and responsive under load.
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posterus
Composable async primitives with cancelation, control over scheduling, and coroutines. Superior replacement for JS Promises.
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express-promise-router
A lightweight wrapper for Express 4's Router that allows middleware to return promises
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ppipe
pipes values through functions, an alternative to using the proposed pipe operator ( |> ) for ES
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promiviz
Visualize JavaScript Promises on the browser. Visualize the JavaScript Promise APIs and learn. It is a playground to learn about promises faster, ever!
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript Promise discussion
JavaScript Promise related posts
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NodeJS Fundamentals: prototype
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NodeJS Fundamentals: bind
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NodeJS Fundamentals: callback queue
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NodeJS Fundamentals: event loop
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NodeJS Fundamentals: function expression
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How to Handle File Uploads with Node.js and Express - Multer Edition
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React's useEffect vs. useSWR: Exploring Data Fetching in React.
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A note from our sponsor - SurveyJS
surveyjs.io | 19 Jul 2025
Index
What are some of the best open-source Promise projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | axios | 107,246 |
| 2 | window.fetch polyfill | 25,920 |
| 3 | core-js | 25,126 |
| 4 | node-fetch | 8,841 |
| 5 | apisauce | 2,839 |
| 6 | Fluture | 2,491 |
| 7 | emittery | 1,962 |
| 8 | postmate | 1,900 |
| 9 | opossum | 1,484 |
| 10 | p-map | 1,435 |
| 11 | download | 1,297 |
| 12 | wayne | 578 |
| 13 | posterus | 548 |
| 14 | throat | 483 |
| 15 | log-process-errors | 469 |
| 16 | express-promise-router | 383 |
| 17 | rubico | 281 |
| 18 | kitsu | 280 |
| 19 | Filehound | 224 |
| 20 | ppipe | 193 |
| 21 | p-state | 130 |
| 22 | promiviz | 97 |
| 23 | react-use-promise | 94 |
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