Open Source Projects using npm
A curated collection of the 344 best open source software using npm. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Open source observability platform for modern applications
Stars
4,306Last commit
12 days agoLicense
AGPL-3.0
Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.
Open Source Alternative to:
Create powerful forms with ease and flexibility
Stars
Stars growing over the last 30 days3,858Last commit
15 hours agoLicense
AGPL-3.0
A versatile open-source form builder for collecting data, managing submissions, and integrating with your favorite tools.
Open Source Alternative to:
Self-hosted photo management with full control
Stars
4,312Last commit
11 hours agoLicense
MIT
Free photo management tool that runs on your server. Upload, organize, and share photos with beautiful interface, EXIF support, and complete privacy control.
Open Source Alternative to:
Secure and elegant Matrix client for seamless conversations
Stars
3,940Last commit
1 day agoLicense
AGPL-3.0
Cinny offers a simple, elegant, and secure interface for Matrix-based conversations, protected by end-to-end encryption.
Open Source Alternative to:
Your digital identity, beautifully organized
Stars
3,909Last commit
17 days agoLicense
AGPL-3.0
A free, open-source link management platform for creating customizable, self-hosted link pages to showcase your online presence.
Open Source Alternative to:
Quick access to apps and files with keyboard shortcuts
Stars
4,609Last commit
5 days agoLicense
MIT
A keyboard-driven launcher that helps you quickly find and open applications, files, and bookmarks across Windows, macOS, and Linux
Open Source Alternative to:
Next-gen WebSockets server for real-time apps
Stars
5,633Last commit
2 years agoLicense
AGPL-3.0
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.
Open Source Alternative to:
Create stunning data visualizations with ease
Stars
4,061Last commit
17 hours agoLicense
MIT
A powerful, open-source platform for building interactive dashboards and charts from multiple data sources without coding.
Open Source Alternative to:
Effortlessly split expenses with friends and roommates
Stars
3,001Last commit
2 days agoLicense
MIT
A user-friendly app for tracking shared expenses, settling debts, and managing group finances with ease and transparency.
Open Source Alternative to:
Open source agency management tool for streamlined success
Stars
3,251Last commit
13 hours agoLicense
AGPL-3.0
Worklenz is a comprehensive project management platform that helps agencies organize tasks, track resources, and boost productivity.
Open Source Alternative to:
Complete customer relationship management made simple
Stars
Stars growing over the last 30 days3,502Last commit
6 hours agoLicense
AGPL-3.0
Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.
Open Source Alternative to:
Open source ecommerce platform for modern businesses
Stars
3,452Last commit
4 hours agoLicense
MIT
A flexible and customizable ecommerce solution that enables businesses to build responsive online stores with advanced features and automation capabilities.
Open Source Alternative to:
Craft flexible, beautiful digital experiences with ease
Stars
3,973Last commit
1 month agoLicense
Apache-2.0
A powerful, open-source CMS for Laravel that simplifies content management with a modular approach and intuitive admin panel.
Open Source Alternative to:
Webhook delivery platform with retries, security, and a portal
Stars
3,457Last commit
5 hours agoLicense
MIT
Add customer-facing webhooks to your product without building the infrastructure. Handles retries, signatures, multi-tenancy, filtering, and monitoring at scale.
Open Source Alternative to:
Flexible CMS for custom digital experiences
Stars
3,618Last commit
5 hours agoLicense
Unknown
Build custom websites with a user-friendly CMS that puts content first. Features flexible architecture, GraphQL API, and powerful ecommerce capabilities.
Open Source Alternative to:
Stripe payments, usage tracking, and paywalls in 3 functions
Stars
Stars growing over the last 30 days2,830Last commit
4 hours agoLicense
Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.
Open Source Alternative to:
Monitor, debug, and scale LLM applications with ease
Stars
Stars growing over the last 30 days2,865Last commit
12 hours agoLicense
Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.
Open Source Alternative to:
Self-hosted social media management without limits
Stars
Stars growing over the last 30 days3,840Last commit
7 months agoLicense
MIT
Create, schedule, and manage social media content from your own server with no subscription fees or usage restrictions.
Open Source Alternative to:
Transform any TV into professional digital signage
Stars
3,699Last commit
7 hours agoLicense
Unknown
Free open-source digital signage software that turns Raspberry Pi or old PCs into powerful display solutions. Manage images, videos, and web content easily.
Open Source Alternative to:
Open-source customer engagement platform for automation
Stars
3,015Last commit
8 days agoLicense
MIT
Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
Open Source Alternative to:
Track gear, bookings, and inventory without spreadsheets
Stars
3,037Last commit
7 hours agoLicense
AGPL-3.0
Open source asset management platform for teams to track equipment, manage bookings, prevent double-bookings, and handle custody and audits across locations.
Open Source Alternative to:
Secure, decentralized cloud storage for your data
Stars
3,282Last commit
6 hours agoLicense
AGPL-3.0
Storj offers a distributed cloud storage platform with enhanced security, global performance, and significant cost savings compared to traditional providers.
Open Source Alternative to:
Modern open-source billing platform for hosting businesses
Stars
Stars growing quickly over the last 30 days2,767Last commit
1 day agoLicense
MIT
Automate subscriptions and manage payments with a flexible, open-source billing system designed specifically for hosting providers.
Open Source Alternative to:
Next-Gen CAPTCHA and Spam Protection, GDPR compliant
Stars
2,835Last commit
2 days agoLicense
MIT
ALTCHA offers cutting-edge spam and abuse protection for websites and apps, with privacy-friendly CAPTCHA alternatives designed for GDPR compliance.
Open Source Alternative to:
Self-hosted home automation without the cloud
Stars
3,247Last commit
10 hours agoLicense
Apache-2.0
Privacy-first home automation platform that runs locally on your hardware, supports Zigbee, Matter, and MQTT, and lets you automate your home without coding.
Open Source Alternative to:
Route GenAI traffic with confidence using open source
Stars
Stars growing over the last 30 days2,248Last commit
14 hours agoLicense
Apache-2.0
Open source gateway built on Envoy for routing application traffic to GenAI services. Supports 16+ LLM providers including OpenAI, Anthropic, AWS Bedrock.
Open Source Alternative to:
Self-hosted email platform with visual editor & analytics
Stars
2,254Last commit
6 hours agoLicense
AGPL-3.0
Free open-source email platform for newsletters and transactional emails. Self-hosted alternative to Mailchimp with visual MJML editor, A/B testing, and analytics.
Open Source Alternative to:
Create engaging product tours and user onboarding experiences
Stars
2,325Last commit
16 hours agoLicense
AGPL-3.0
Open-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding
Open Source Alternative to:
Create beautiful images of your code
Stars
2,363Last commit
6 days agoLicense
MIT
Turn your code into beautiful images. Choose from a range of syntax colors, hide or show the background, and toggle between a dark and light window.
Design, prototype, and test user experiences with ease
Stars
2,742Last commit
9 days agoLicense
GPL-3.0
Quant-UX is an open-source tool for creating interactive prototypes, conducting user tests, and analyzing results to improve UX design.
Open Source Alternative to:
AI agents that transform merchant risk decisions at scale
Stars
2,450Last commit
12 days agoLicense
Unknown
Reduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.
Open Source Alternative to:
Serverless team chat over Tor, no phone number needed
Stars
2,659Last commit
2 days agoLicense
GPL-3.0
Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.
Open Source Alternative to:
Sell tickets for events, conferences, and exhibitions
Stars
2,543Last commit
6 hours agoLicense
Unknown
Full-stack ticketing platform covering online shop, point of sale, access control, and hardware for events of any size or industry.
Open Source Alternative to:
Secure password manager with end-to-end encryption
Stars
2,931Last commit
14 hours agoLicense
AGPL-3.0
Open-source password manager with end-to-end encryption for passwords, credit cards, notes, and documents. Cross-platform sync with secure sharing capabilities.
Open Source Alternative to:
Comprehensive open-source HR management solution
Stars
1,462Last commit
1 day agoLicense
LGPL-2.1
Horilla is a free, open-source HRMS that streamlines HR processes, from recruitment to offboarding, with customizable modules.
Open Source Alternative to:
Open-source CRM toolkit for personalized solutions
Stars
Stars growing quickly over the last 30 days1,391Last commit
10 hours agoLicense
MIT
Build a customizable CRM that matches your company's vision, designed for developers and loved by end users.
Open Source Alternative to:
Powerful, customizable web analytics for your site
Stars
2,694Last commit
4 hours agoLicense
GPL-2.0
Open-source web analytics platform offering comprehensive visitor tracking, customizable dashboards, and data ownership for websites and applications.
Open Source Alternative to:
Open-source file storage with complete data sovereignty
Stars
Stars growing over the last 30 days1,943Last commit
1 day agoLicense
AGPL-3.0
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.
Open Source Alternative to:
GPU orchestration across clouds, Kubernetes, and on-prem
Stars
2,284Last commit
7 hours agoLicense
MPL-2.0
Unified control plane for AI compute that provisions and schedules GPU workloads across any cloud, Kubernetes cluster, or bare-metal server.
Open Source Alternative to:
Self-hosted error tracking for full control and scalability
Stars
2,136Last commit
9 hours agoLicense
Unknown
Bugsink offers real-time error tracking with self-hosting capabilities, allowing easy installation and connection to any app using Sentry-compatible SDKs.
Open Source Alternative to:
Terminal coding agent with full model and data control
Stars
Stars growing over the last 30 days1,738Last commit
9 hours agoLicense
MIT
Open-source AI coding agent for the terminal that works with 25+ model providers, keeps sessions on your disk, and ships as a single Go binary with no telemetry.
Open Source Alternative to:
Local meeting recorder that keeps your audio off the cloud
Stars
Stars growing over the last 30 days1,561Last commit
4 hours agoLicense
MIT
Records meetings and voice memos locally using whisper.cpp, writes structured markdown to disk, and exposes 31 MCP tools so any AI agent can query your conversation history.
Open Source Alternative to:
CodeRabbit – The leading AI Code Review platform. Ship better quality code in 50% less time, with 90% fewer bugs.
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