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Top 23 JavaScript open-source Projects
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Open-Generative-AI
Unrestricted Open-source alternative to AI video platforms — Free AI image & video generation studio with 600+ models (Flux, Midjourney, Kling, Sora, Veo). No content filters. Self-hosted, MIT licensed.
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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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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career-ops
AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.
Project mention: The Sad State of SWE Resumes (and How to Actually Land a Job in 2026) | dev.to | 2026-07-21There's actually a repo which helps you with this. Be truthful, but don't hesitate to use technology, and that's exactly what it does: https://github.com/santifer/career-ops
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electerm
📻Free and open-sourced terminal/ssh/sftp/ftp/telnet/serialport/RDP/VNC/Spice client(Linux, Mac, Windows, Android, HarmonyOS, iOS)
electerm is an open-source, cross-platform (Electron) client covering SSH, SFTP, RDP and VNC. Noden covers SSH/SFTP/RDP natively on macOS only (SwiftUI, Metal-rendered RDP) — pick electerm for cross-platform or VNC, Noden for a native Mac experience. (Disclosure: I develop Noden.)
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automatisch
The open source Zapier alternative. Build workflow automation without spending time and money.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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openwhispr
Voice-to-text dictation app with local (Nvidia Parakeet/Whisper) and cloud models (BYOK). Privacy-first and available cross-platform.
Project mention: Inside `OpenWhispr/openwhispr`: A Privacy-First Voice-to-Text Workflow | dev.to | 2026-09-01git clone https://github.com/OpenWhispr/openwhispr.git cd openwhispr git log -5 --oneline
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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.
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mirotalk
🚀 Open-source, self-hosted P2P WebRTC video conferencing for fast, private real-time communication. Create browser-based meeting rooms with no downloads or time limits, plus screen sharing, chat, whiteboard, recording, and collaboration.
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mirotalksfu
🏆 Self-hosted, open-source WebRTC video conferencing platform for real-time communication and collaboration. A modern alternative to Zoom, Google Meet, Jitsi Meet, and Microsoft Teams, powered by scalable SFU architecture with Mediasoup.
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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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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.
Project mention: My 369 Merged Pull Requests On GitHub, Every Single One Linked And Verified | dev.to | 2026-08-25Start exactly where I started on January 1, 2024: firstcontributions and Contribute-To-This-Project. Then pick one real tool you use daily, read its good first issues, and fix one thing with a closed issue attached to your PR.
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SaaSHub
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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 | 5 Oct 2026
Index
What are some of the best open-source open-source projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Open-Generative-AI | 29,555 |
| 2 | swagger-ui | 29,026 |
| 3 | GDevelop | 27,037 |
| 4 | career-ops | 24,191 |
| 5 | electerm | 15,237 |
| 6 | automatisch | 13,985 |
| 7 | flexsearch | 13,802 |
| 8 | public-apis | 9,529 |
| 9 | swagger-editor | 9,468 |
| 10 | openwhispr | 9,019 |
| 11 | VvvebJs | 8,690 |
| 12 | OpenSign | 7,046 |
| 13 | spacebarchat | 6,708 |
| 14 | Superalgos | 5,677 |
| 15 | mediacms | 5,134 |
| 16 | mirotalk | 4,766 |
| 17 | fleetbase | 4,144 |
| 18 | mirotalksfu | 3,119 |
| 19 | horizon-ui-chakra | 2,880 |
| 20 | NoteDiscovery | 2,817 |
| 21 | thanks | 2,761 |
| 22 | Swagger Client | 2,694 |
| 23 | Contribute-To-This-Project | 2,572 |
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