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Open Source Projects using NodeJS

A curated collection of the 679 best open source software using NodeJS. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

GDPR-compliant bot protection without user friction
  • Stars

    199
  • Last commit

    12 hours ago
  • License

    Unknown
Privacy-first CAPTCHA service that blocks bots while keeping forms accessible. No puzzles, no tracking, no cookies - just invisible cryptographic protection.

Open Source Alternative to:

Privacy-first, cookieless analytics without consent banners
  • Stars

    180
  • Last commit

    9 hours ago
  • License

    AGPL-3.0
GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.

Open Source Alternative to:

Generate legal policies directly from TypeScript code
  • Stars

    165
  • Last commit

    5 days ago
  • License

    Apache-2.0
Open-source policy-as-code framework that lets developers create privacy policies, terms of service, and legal agreements using TypeScript with built-in GDPR/CCPA compliance.

Open Source Alternative to:

Secure open source messaging for professional teams
  • Stars

    Stars growing over the last 30 days171
  • Last commit

    18 hours ago
  • License

    AGPL-3.0
Free Matrix-based messenger with end-to-end encryption, multi-platform bridges, and on-premise deployment. Connect across 30+ networks securely.

Open Source Alternative to:

Effortlessly manage tasks, projects, and teams
  • Stars

    247
  • Last commit

    1 year ago
  • License

    AGPL-3.0
A versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.

Open Source Alternative to:

Fast, secure, and free personal note-taking app
  • Stars

    179
  • Last commit

    3 months ago
  • License

    Unknown
OpenNotas is a multi-platform, end-to-end encrypted note-taking app that offers simplicity, synchronization, and offline functionality.

Open Source Alternative to:

Transcribe meetings and voice notes with local AI, no bots required
  • Stars

    122
  • Last commit

    21 days ago
  • License

    MIT
Free, open-source AI note-taker that transcribes meetings and voice notes locally using Whisper and Parakeet. Works on Mac, Windows, and mobile without invasive bots.

Open Source Alternative to:

Secure, scalable chat server for modern applications
  • Stars

    161
  • Last commit

    20 days ago
  • License

    GPL-3.0
Open source chat server with end-to-end encryption, clustering support, and comprehensive messaging features for building real-time communication apps

Open Source Alternative to:

Create and manage forms with ease
  • Stars

    184
  • Last commit

    1 year ago
  • License

    Apache-2.0
Formizee is an open-source platform for designing, building, and analyzing forms, offering an affordable all-in-one solution

Open Source Alternative to:

Run Claude Code, Codex, Grok, and more from one app
  • Stars

    Stars growing quickly over the last 30 days118
  • Last commit

    2 days ago
  • License

    Apache-2.0
A Mac app that brings multiple AI coding agents into a single window, running on your existing subscriptions with parallel agent sessions, PR management, and a built-in browser.

Open Source Alternative to:

Type-safe feature flags and remote config for developers
  • Stars

    167
  • Last commit

    1 year ago
  • License

    AGPL-3.0
Abby offers open-source, fully typed feature flagging and remote configuration for React and Next.js, with multi-environment testing and debugging tools.

Open Source Alternative to:

Launch your personal website in minutes, no coding required
  • Stars

    226
  • Last commit

    6 months ago
  • License

    AGPL-3.0
Free site builder to create a personal website with articles, projects, email capture, and analytics. Open source, fast, and beautifully designed.

Open Source Alternative to:

Organise, share, and control digital assets at scale
  • Stars

    86
  • Last commit

    1 day ago
  • License

    BSD-3-Clause
Self-hostable DAM platform for managing images, video, documents, and audio with metadata search, approval workflows, and open API integrations.

Open Source Alternative to:

Privacy-first analytics you own completely
  • Stars

    98
  • Last commit

    13 hours ago
  • License

    MIT
Self-hosted or managed web analytics with zero external dependencies. Cookie-free tracking, full data sovereignty, and single binary deployment for organizations that own their data.

Open Source Alternative to:

Transform documentation with developer-focused simplicity
  • Stars

    114
  • Last commit

    9 hours ago
  • License

    MIT
Create powerful, interactive documentation with hot reloading, TypeScript support, custom components, and built-in API docs generation.

Open Source Alternative to:

Lightweight, accessible product tours built for React developers
  • Stars

    68
  • Last commit

    23 days ago
  • License

    MIT
Headless React tour library with WCAG 2.1 AA accessibility, TypeScript support, and pre-styled components. Under 8KB gzipped with full customization control.

Open Source Alternative to:

Transform long URLs into beautiful, trackable short links
  • Stars

    95
  • Last commit

    13 days ago
  • License

    MIT
Open-source URL shortener with analytics, custom domains, QR codes, and link-in-bio pages. Create branded short links with detailed tracking insights.

Open Source Alternative to:

Free, self-hosted personal finance app for long-term planning
  • Stars

    Stars growing over the last 30 days114
  • Last commit

    8 hours ago
  • License

    MIT
YAFFA is a powerful, open-source budget app for managing expenses, budgets, and investments with secure self-hosting.

Open Source Alternative to:

Capture web pages, text, and images. Find them fast.
  • Stars

    85
  • Last commit

    5 days ago
  • License

    MIT
Private macOS app for saving web pages, text, links, and images locally with full-text search, OCR, and a CLI, no account or cloud required.

Open Source Alternative to:

Self-hosted uptime monitoring that runs on your hardware, not their servers
  • Stars

    83
  • Last commit

    2 months ago
  • License

    MIT
Deploy your own uptime and performance monitoring with HTTP/ICMP checks, multi-region probes, and custom status pages. MIT licensed, runs on minimal hardware.

Open Source Alternative to:

Self-hosted CRM for business development teams
  • Stars

    73
  • Last commit

    18 hours ago
  • License

    MIT
Pipeline management, deal workspace, contacts, and two-way Gmail for BD teams. Runs on your own infrastructure, MIT licensed, no per-seat fees.

Open Source Alternative to:

Organize and access your bookmarks seamlessly in the cloud
  • Stars

    79
  • Last commit

    3 months ago
  • License

    AGPL-3.0
Cloud-based bookmark manager that lets you save, categorize, and access your web favorites from any device with smart organization features

Open Source Alternative to:

Code-first email platform that deploys to your AWS
  • Stars

    64
  • Last commit

    22 hours ago
  • License

    AGPL-3.0
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.

Open Source Alternative to:

Markdown that mounts real applications
  • Stars

    71
  • Last commit

    1 day ago
  • License

    MIT
Markdown Document with Mounted Applications, the open-source format that turns AI responses into interactive documents. Forms, tables, approval gates and charts render straight from the chat, no custom UI per use case.

Open Source Alternative to:

Securely save and access your favorite links across devices
  • Stars

    107
  • Last commit

    6 months ago
  • License

    MIT
A privacy-focused bookmark manager that encrypts your saved links, allowing you to access them anytime, anywhere, on any device with complete control.

Open Source Alternative to:

Self-hosted visual bug reporting with screenshot annotation
  • Stars

    46
  • Last commit

    15 hours ago
  • License

    AGPL-3.0
Embeds a lightweight widget into web apps so users can capture screenshots, annotate issues, and submit reports with console logs and browser metadata included.

Open Source Alternative to:

Turn short shortcuts into your everyday words
  • Stars

    54
  • Last commit

    20 hours ago
  • License

    AGPL-3.0
Text expander that replaces typed abbreviations with saved replies, signatures, and snippets across macOS, Windows, and Linux.

Open Source Alternative to:

Open-source project management inspired by Basecamp
  • Stars

    71
  • Last commit

    3 months ago
  • License

    AGPL-3.0
A self-hosted project management tool offering task management, file sharing, event tracking, and team collaboration features in an intuitive interface.

Open Source Alternative to:

Invisible bot protection that respects user privacy
  • Stars

    37
  • Last commit

    1 day ago
  • License

    MPL-2.0
Privacy-compliant CAPTCHA alternative using proof-of-work technology. Protects websites from bots and spam without user interaction or data tracking.

Open Source Alternative to:

Streamline investor relations and fundraising management
  • Stars

    61
  • Last commit

    8 months ago
  • License

    AGPL-3.0
Open source platform for managing investor updates, KPIs, fundraising pipeline and data rooms. Keep stakeholders informed and organized.

Open Source Alternative to:

AI-powered root cause analysis for on-call alerts, self-hosted and air-gapped
  • Stars

    42
  • Last commit

    1 month ago
  • License

    Apache-2.0
Receive alerts from Grafana, Datadog, and Prometheus with AI-generated root cause analysis. Self-hosted on Kubernetes, fully air-gapped capable, Apache 2.0 licensed.

Open Source Alternative to:

Self-hosted sticky notes with better organization
  • Stars

    40
  • Last commit

    26 days ago
  • License

    MIT
A self-hosted, open-source note-taking app that keeps the Google Keep sticky-note feel while adding folders, timelines, list views, and import support.

Open Source Alternative to:

Secure, encrypted forms with advanced features
  • Stars

    48
  • Last commit

    18 days ago
  • License

    AGPL-3.0
Build end-to-end encrypted forms with enterprise-grade features, no coding required. Protect sensitive data and enhance user trust.

Open Source Alternative to:

Turn user feedback into features that matter
  • Stars

    40
  • Last commit

    10 hours ago
  • License

    SSPL-1.0
Collect feedback, prioritize with AI-powered voting, and share transparent roadmaps. Build products users love with automated triage and seamless integration.

Open Source Alternative to:

Privacy-focused note-taking made simple and fast
  • Stars

    67
  • Last commit

    9 months ago
  • License

    GPL-2.0
Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.

Open Source Alternative to:

Privacy-first newsletter platform without tracking
  • Stars

    34
  • Last commit

    2 days ago
  • License

    AGPL-3.0
Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites.

Open Source Alternative to:

Bridge internal workflows with public collaboration
  • Stars

    31
  • Last commit

    2 days ago
  • License

    Unknown
Source-available project management platform with dual views - internal team workspace and public portal for user feedback, voting, and progress tracking.

Open Source Alternative to:

Self-hosted DAM with fast search and asset workflows
  • Stars

    26
  • Last commit

    13 hours ago
  • License

    MIT
Self-hostable digital asset management platform with Elasticsearch-powered search, AI-assisted indexing, granular permissions, and API-first architecture for teams of any size.

Open Source Alternative to:

Blogging platform with built-in SEO, themes, and APIs
  • Stars

    24
  • Last commit

    3 days ago
  • License

    AGPL-3.0
Self-hostable blogging platform with a clean editor, zero-config SEO, custom themes, real-time collaboration, and built-in comments and newsletters.

Open Source Alternative to:

Access control for AI agents your customers log in with
  • Stars

    20
  • Last commit

    3 days ago
  • License

    BUSL-1.1
Detects AI agents using customer credentials, masks private fields, holds risky actions for passkey approval, and signs every decision on your own server.

Open Source Alternative to:

AI-powered task management with radical focus
  • Stars

    25
  • Last commit

    7 months ago
  • License

    AGPL-3.0
Open source minimalist task management tool with AI companion that filters noise, automates coordination, and guides teams through complexity with calm focus.

Open Source Alternative to:

LLM observability: cost, latency, and traces in one place
  • Stars

    13
  • Last commit

    6 days ago
  • License

    MIT
Drop-in observability platform for OpenAI, Anthropic, and Gemini that logs every request, tracks costs, traces agent workflows, and flags anomalies and PII.

Open Source Alternative to: