JavaScript HacktoberFest

Open-source JavaScript projects categorized as HacktoberFest

Top 23 JavaScript HacktoberFest Projects

  • axios

    Promise based HTTP client for the browser and node.js

  • Project mention: How to Build an AI FAQ System with Strapi, LangChain & OpenAI | | 2024-04-21

    axios: To fetch data from the Strapi CMS API and also to fetch responses from our Express server.

  • github-readme-stats

    :zap: Dynamically generated stats for your github readmes

  • Project mention: Making a good Github Profile | | 2024-04-23 -

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

    SurveyJS logo
  • 33-js-concepts

    📜 33 JavaScript concepts every developer should know.

  • Project mention: 10 GitHub Repos for Mastering JavaScript | | 2024-04-19

    Repository: leonardomso/33-js-concepts

  • uptime-kuma

    A fancy self-hosted monitoring tool

  • Project mention: Show HN: Free Certificate Monitoring via RSS | | 2024-02-26

    Uptime Kuma can also monitor certificate expiration; you can also enable it to show you how many days are left until it expires.

  • Ghost

    Independent technology for modern publishing, memberships, subscriptions and newsletters.

  • Project mention: Proton and Standard Notes are joining forces | | 2024-04-10

    Diversifying a lot. Next acquisition will be Ghost( I bet. Similar DNA, fits in the portfolio (If they are trying to match the feature set of Google) and have no VC backing.

  • Meteor JS

    Meteor, the JavaScript App Platform

  • Project mention: Meteor v3 uses express under the hood – How to use and deploy it. | | 2024-03-04

    As you might have seen from this PR and in our forums Meteor v3(it is still in beta, but you can follow the progress here) will be released with a new engine, expressjs.

  • react

    Cheatsheets for experienced React developers getting started with TypeScript (by typescript-cheatsheets)

  • Project mention: How to use Typescript in React apps | | 2024-02-07

    Congratulations, you now know how to use TypeScript in your React App. For further reading check out this React TypeScript cheat sheet

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo
  • Leaflet

    🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦

  • Project mention: JavaScript Libraries That You Should Know | | 2024-03-19

    9. Leaflet

  • hackathon-starter

    A boilerplate for Node.js web applications

  • Project mention: Stay Ahead of the Game Must Have Front-End Boilerplates and Starter Kits for Every Developer | | 2023-09-06

    Well, I've never attended a Hackerthon before and have no prior knowledge of what it looks like. But I happen to come across a guide that we'll help me start up when the time comes. The Hackerthon starter will help you set up a NodeJS application and will help you focus on what is really important. This starter also provides you with a boilerplate that features local authentication with email and password, authentication via Twitter, Facebook, Google, GitHub, LinkedIn, and Instagram, flash notifications, MVC project structure, account management, API examples, and much more to help you get started.

  • marked

    A markdown parser and compiler. Built for speed.

  • Project mention: Eleventy vs. Next.js for static site generation | | 2023-12-14

    Next, install gray-matter to extract metadata from the front matter of markdown files, and marked to convert the markdown files to HTML:

  • JavaScript

    Algorithms and Data Structures implemented in JavaScript for beginners, following best practices. (by TheAlgorithms)

  • Project mention: 🧙‍♂️Master JavaScript with these 5 GitHub repositories🪄✨🚀 | | 2024-03-16

    4. The Algorithm - Javascript

  • webtorrent

    ⚡️ Streaming torrent client for the web

  • Project mention: Bitmagnet Allows People to Run Their Own Decentralized Torrent Indexer Locally | | 2024-02-18
  • jsPDF

    Client-side JavaScript PDF generation for everyone.

  • Project mention: Best HTML to PDF libraries for Node.js | | 2023-10-25

    jsPDF is a popular JavaScript PDF generator that allows users to generate PDF files in the web browser dynamically. The library is well-maintained, stable, easy to use, and has rich documentation.

  • remote-jobs

    A list of semi to fully remote-friendly companies (jobs) in tech.

  • Project mention: Kako ste dobili svoj inostrani remote posao? | /r/programiranje | 2023-10-12

    ⚙️ NGINX config generator on steroids 💉

  • ToolJet

    Low-code platform for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, Google sheets, OpenAI, etc and build apps using drag and drop application builder. Built using JavaScript/TypeScript. 🚀

  • Project mention: Launch HN: Creo (YC W24) – Build Internal Tools with React/NextJS | | 2024-04-02

    As everyone mentioned, there are tons of OSS alternatives which are well established. One of which is tooljet:


    Monitor for any changes in your node.js application and automatically restart the server - perfect for development

  • Project mention: Full Stack Web Development Concept map | | 2024-03-23

    nodemon - enables automatic reload of your server after code change docs

  • select2

    Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.

  • Project mention: Does MVC have a combobox? | /r/dotnet | 2023-12-07
  • Modernizr

    Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

  • swagger-ui

    Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

  • Project mention: Simplifying Angular Development with Swagger: A Step-by-Step Guide | | 2024-04-11

    Swagger is a fantastic open-source toolset that's perfect for developing and describing RESTful APIs. It offers you a user-friendly interface to understand a service's capabilities without needing to dig into the code. It even provides a way for you to interact directly with the API, which means you get to test its functionality.

  • Highlight.js

    JavaScript syntax highlighter with language auto-detection and zero dependencies.

  • Project mention: Vala Programming Language | | 2024-04-08

    > it was designed to resemble C#

    I actually first heard of Vala just a few days ago when I was looking at a C#-related PR[1] for highlight.js:

    > This fails the tests as the Vala default.txt is recognized now as C#. However, Vala is very close in syntax to C#, and the default.txt also seems to be valid C# so not sure what to do about this.


  • validator.js

    String validation

  • Project mention: How a URL Shortener Works and How to Build One with Next.js | | 2023-09-11

    To keep the focus of this guide on building our chat app, I'll skip the steps in setting up certain dependencies, such as Tailwind CSS for styling, Nano ID for generating strings used to create a short URL version of an original URL and validator for implement URL validation.

  • Ember.js

    Ember.js - A JavaScript framework for creating ambitious web applications

  • Project mention: Episode 24/13: Native Signals, Details on Angular/Wiz, Alan Agius on the Angular CLI | | 2024-04-05

    Similarly to Promises/A+, this effort focuses on aligning the JavaScript ecosystem. If this alignment is successful, then a standard could emerge, based on that experience. Several framework authors are collaborating here on a common model which could back their reactivity core. The current draft is based on design input from the authors/maintainers of Angular, Bubble, Ember, FAST, MobX, Preact, Qwik, RxJS, Solid, Starbeam, Svelte, Vue, Wiz, and more…

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

    WorkOS logo
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 HacktoberFest related posts


What are some of the best open-source HacktoberFest projects in JavaScript? This list will help you:

Project Stars
1 axios 103,985
2 github-readme-stats 64,523
3 33-js-concepts 61,796
4 uptime-kuma 49,253
5 Ghost 45,658
6 Meteor JS 44,038
7 react 43,953
8 Leaflet 39,937
9 hackathon-starter 34,684
10 marked 31,845
11 JavaScript 31,265
12 webtorrent 28,942
13 jsPDF 28,354
14 remote-jobs 27,672
15 27,057
16 ToolJet 26,580
17 25,976
18 select2 25,762
19 Modernizr 25,610
20 swagger-ui 25,507
21 Highlight.js 23,026
22 validator.js 22,526
23 Ember.js 22,441

The modern identity platform for B2B SaaS
The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.