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Top 23 JavaScript open-source Projects
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swagger-ui
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
Most of the content is the same as what is written here.
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SaaSHub
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career-ops
AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.
Last month I found career-ops by Santiago Ferreira — a Claude Code-native job search system with a Go-based TUI dashboard, portal scanners, batch evaluation, and an interview story bank. It does everything Rendure did, plus most of the job search workflow Rendure never touched. I forked it, plugged my own pipeline pieces into the parts that didn't fit me, and moved on.
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Open-Generative-AI
Open-source alternative to AI video platforms — Free AI image & video generation studio with 200+ models (Flux, Midjourney, Kling, Sora, Veo). No content filters. Self-hosted, MIT licensed.
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Boostnote
This repository is outdated and new Boost Note app is available! We've launched a new Boost Note app which supports real-time collaborative writing. https://github.com/BoostIO/BoostNote-App
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automatisch
The open source Zapier alternative. Build workflow automation without spending time and money.
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VvvebJs
Drag and drop page builder library written in vanilla javascript without dependencies or build tools.
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spacebarchat
📬 Spacebar is a free open source selfhostable discord compatible communication platform
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Superalgos
Free, open-source crypto trading bot, automated bitcoin / cryptocurrency trading software, algorithmic trading bots. Visually design your crypto trading bot, leveraging an integrated charting system, data-mining, backtesting, paper trading, and multi-server crypto bot deployments.
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mediacms
MediaCMS is a modern, fully featured open source video and media CMS, written in Python/Django and React, featuring a REST API.
Project mention: Show HN: MediaCMS v6 – open-source video platform with trimmer and RBAC | news.ycombinator.com | 2025-06-18 -
mirotalk
🚀 Self-hosted open-source WebRTC video conferencing platform built on peer-to-peer (P2P) architecture for fast, secure real-time communication with end-to-end privacy.
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horizon-ui-chakra
Horizon UI JavaScript ⭐️ The trendiest & innovative Open Source Admin Template for Chakra UI & React!
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Teedy
Lightweight document management system packed with all the features you can expect from big expensive solutions (by sismics)
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Project mention: Show HN: NoteDiscovery – Free Self-Hosted Alternative to Notion/Obsidian | news.ycombinator.com | 2025-11-11
GitHub: https://github.com/gamosoft/NoteDiscovery
Please bear in mind it's in VERY early stages so it doesn't get even close to what the excellent Obsidian can do, but for the time being it's more than enough to suit my personal needs, so depending on my availability I may be adding more features. ;-)
I really hope you like it!
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Contribute-To-This-Project
This project is waiting for your contribution. If you have never contributed code on GitHub before, this is the project to get you started.
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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).
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source open-source projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | swagger-ui | 28,837 |
| 2 | career-ops | 24,191 |
| 3 | GDevelop | 23,689 |
| 4 | Open-Generative-AI | 18,950 |
| 5 | Boostnote | 16,945 |
| 6 | electerm | 14,254 |
| 7 | automatisch | 13,865 |
| 8 | flexsearch | 13,722 |
| 9 | swagger-editor | 9,444 |
| 10 | public-apis | 9,092 |
| 11 | VvvebJs | 8,498 |
| 12 | spacebarchat | 6,678 |
| 13 | OpenSign | 6,501 |
| 14 | Superalgos | 5,511 |
| 15 | mediacms | 4,963 |
| 16 | mirotalk | 4,593 |
| 17 | horizon-ui-chakra | 2,854 |
| 18 | thanks | 2,761 |
| 19 | Swagger Client | 2,693 |
| 20 | Teedy | 2,550 |
| 21 | NoteDiscovery | 2,545 |
| 22 | Contribute-To-This-Project | 2,536 |
| 23 | bento | 2,174 |
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