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Open Source Projects using NodeJS

A curated collection of the 632 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.

Favicon of Lightdash

Lightdash

Open-source BI for modern data teams

  • Stars

    6,111

  • Last commit

    12 hours ago

  • License

    MIT
Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.

Open Source Alternative to:

Favicon of Power BI
Power BI
Favicon of Tabularis

Tabularis

Desktop SQL client with built-in MCP for AI agent access

  • Stars

    4,615

  • Last commit

    14 hours ago

  • License

    Apache-2.0
Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a plugin system.

Open Source Alternative to:

Favicon of TablePlus
TablePlus
Favicon of Kan

Kan

Open source kanban boards with unlimited everything

  • Stars

    5,534

  • Last commit

    7 days ago

  • License

    AGPL-3.0
Free kanban project management with unlimited boards, lists, and cards. Import Trello boards, collaborate with teams, and self-host for complete control.

Open Source Alternative to:

Favicon of Jira
Jira
Favicon of Workadventure

Workadventure

Virtual office platform for engaging remote collaboration

  • Stars

    5,740

  • Last commit

    12 hours ago

  • License

    Unknown
Create customizable virtual workspaces for remote teams to interact naturally, host events, and collaborate through spontaneous conversations and scheduled meetings.

Open Source Alternative to:

Favicon of Microsoft Teams
Microsoft Teams
Favicon of Requestly

Requestly

Intercept, modify, and debug HTTP(S) requests effortlessly

  • Stars

    6,755

  • Last commit

    19 hours ago

  • License

    AGPL-3.0
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of Papra

Papra

Organize and secure your documents in one central hub

  • Stars

    5,268

  • Last commit

    13 hours ago

  • License

    AGPL-3.0
A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search functionality.

Open Source Alternative to:

Favicon of Google Drive
Google Drive
Favicon of Flexprice

Flexprice

Open source metering and billing infrastructure for any pricing model

  • Stars

    4,665

  • Last commit

    12 hours ago

  • License

    AGPL-3.0
A flexible billing platform that handles usage-based metering, credit management, and subscription billing, giving developers full control over pricing models.

Open Source Alternative to:

Favicon of Stripe Billing
Stripe Billing
Favicon of Zabbix

Zabbix

Enterprise monitoring for networks, apps, and infrastructure

  • Stars

    6,331

  • Last commit

    15 hours ago

  • License

    AGPL-3.0
Monitors networks, servers, cloud services, IoT, and OT environments with no per-device licensing fees, available self-hosted or as a managed SaaS platform.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Plunk

Plunk

The open-source, affordable email platform

  • Stars

    5,414

  • Last commit

    3 days ago

  • License

    AGPL-3.0
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of Flagsmith

Flagsmith

Feature flags and remote config for rapid deployment

  • Stars

    6,535

  • Last commit

    13 hours ago

  • License

    BSD-3-Clause
Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Open Source Alternative to:

Favicon of LaunchDarkly
LaunchDarkly
Favicon of UnKey

UnKey

Secure, scalable API key management for developers

  • Stars

    5,428

  • Last commit

    13 hours ago

  • License

    AGPL-3.0
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.

Open Source Alternative to:

Favicon of Kong
Kong
Favicon of 5ire

5ire

AI
Smart desktop AI assistant with powerful local knowledge features

  • Stars

    5,346

  • Last commit

    2 months ago

  • License

    Unknown
Cross-platform desktop AI assistant supporting multiple providers, local knowledge base, and custom prompts. Integrates MCP protocol for enhanced AI tool capabilities.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of Standard Notes

Standard Notes

Secure, encrypted notes for your digital life

  • Stars

    6,615

  • Last commit

    1 day ago

  • License

    AGPL-3.0
Cross-platform note-taking app with end-to-end encryption, offline access, and powerful organization features for privacy-conscious users.

Open Source Alternative to:

Favicon of Obsidian
Obsidian
Favicon of Apache Pinot

Apache Pinot

Distributed OLAP database for real-time analytics at scale

  • Stars

    6,128

  • Last commit

    12 hours ago

  • License

    Apache-2.0
Sub-second SQL queries on fresh streaming data at petabyte scale, built for high-concurrency user-facing apps and AI agent backends.

Open Source Alternative to:

Favicon of Splunk
Splunk
Favicon of Permify

Permify

Build scalable authorization in minutes, not months

  • Stars

    5,944

  • Last commit

    1 day ago

  • License

    AGPL-3.0
Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of Weblate

Weblate

Continuous web-based localization for global reach

  • Stars

    6,048

  • Last commit

    12 hours ago

  • License

    GPL-3.0
Web-based continuous localization platform with version control integration, quality checks, and clean interface. Used by 2,500+ projects in 165+ countries.

Open Source Alternative to:

Favicon of Crowdin
Crowdin
Favicon of ezBookkeeping

ezBookkeeping

Lightweight self-hosted bookkeeping with AI receipt scanning

  • Stars

    5,509

  • Last commit

    12 hours ago

  • License

    MIT
A privacy-first personal finance app with two-level accounts, multi-currency support, AI receipt recognition, and broad data import from formats like GnuCash and Firefly III.

Open Source Alternative to:

Favicon of YNAB
YNAB
Favicon of Kener

Kener

Deploy a professional status page in minutes, no coding required

  • Stars

    5,140

  • Last commit

    2 days ago

  • License

    MIT
Free, open-source status page and uptime monitor with Docker deployment. Track 11 service types, manage incidents, schedule maintenance, and notify subscribers instantly.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Inngest

Inngest

Effortless event-driven workflows for modern applications

  • Stars

    5,798

  • Last commit

    12 hours ago

  • License

    SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.

Open Source Alternative to:

Favicon of Kafka
Kafka
Favicon of Agenta

Agenta

AI
Build, automate, and improve AI agents with your team

  • Stars

    4,667

  • Last commit

    12 hours ago

  • License

    MIT
Open-source workspace for building and running AI agents: chat-driven development, scheduling, human-in-the-loop approvals, versioning, and tracing. Self-host or use the cloud.

Open Source Alternative to:

Favicon of Claude Cowork
Claude Cowork
Favicon of useSend

useSend

Pay per email sent, not for contact storage

  • Stars

    4,652

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of Passbolt

Passbolt

Secure password management for teams

  • Stars

    6,102

  • Last commit

    12 days ago

  • License

    AGPL-3.0
Open source password manager focused on security, collaboration and privacy for organizations

Open Source Alternative to:

Favicon of LastPass
LastPass
Favicon of Latitude

Latitude

AI
Full observability for AI agents in production

  • Stars

    4,610

  • Last commit

    12 hours ago

  • License

    MIT
Open-source platform for monitoring AI agents: captures traces, surfaces failure patterns, alerts on issues, and helps you verify fixes with automated evals.

Open Source Alternative to:

Favicon of LangSmith
LangSmith
Favicon of ACI.dev

ACI.dev

AI
Build reliable AI agents with unified tool integration

  • Stars

    4,887

  • Last commit

    3 months ago

  • License

    Apache-2.0
Platform for connecting AI agents to 500+ tools with built-in multi-tenant auth management and granular permissions using either function calling or a unified MCP server

Open Source Alternative to:

Favicon of Pipedream
Pipedream
Favicon of Frappe Books

Frappe Books

Modern desktop accounting made simple and free

  • Stars

    4,922

  • Last commit

    4 days ago

  • License

    AGPL-3.0
A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.

Open Source Alternative to:

Favicon of Quickbooks
Quickbooks
Favicon of Zammad

Zammad

Powerful helpdesk solution for streamlined customer service

  • Stars

    5,877

  • Last commit

    15 hours ago

  • License

    AGPL-3.0
Zammad is an open-source helpdesk software that centralizes customer communications and helps deliver great service experiences efficiently.

Open Source Alternative to:

Favicon of Zendesk
Zendesk
Favicon of Vikunja

Vikunja

Organize, collaborate, and conquer your tasks

  • Stars

    5,237

  • Last commit

    12 hours ago

  • License

    AGPL-3.0
A powerful, open-source task management platform for teams and individuals, offering customizable workflows and seamless integration.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Countly

Countly

Comprehensive analytics for data-driven decisions

  • Stars

    5,896

  • Last commit

    18 hours ago

  • License

    Unknown
All-in-one analytics platform for mobile, web, and desktop apps. Track user behavior, monitor performance, and optimize your product.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of Mathesar

Mathesar

Spreadsheet-like interface for PostgreSQL databases

  • Stars

    5,111

  • Last commit

    1 day ago

  • License

    GPL-3.0
A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Frappe CRM

Frappe CRM

Open-source CRM that puts simplicity and control first

  • Stars

    3,448

  • Last commit

    14 hours ago

  • License

    AGPL-3.0
A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of Pipeshub

Pipeshub

AI
Enterprise workplace AI with data you own and control

  • Stars

    3,703

  • Last commit

    12 hours ago

  • License

    Apache-2.0
Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across their stack.

Open Source Alternative to:

Favicon of Glean
Glean
Favicon of Hi.Events

Hi.Events

Effortlessly manage events and sell tickets online

  • Stars

    4,009

  • Last commit

    2 days ago

  • License

    Unknown
Hi.Events is a comprehensive platform for event management and online ticket sales, offering features like QR code check-in, custom ticket types, and embeddable widgets.

Open Source Alternative to:

Favicon of Eventbrite
Eventbrite
Favicon of Logfire

Logfire

AI
Powerful observability made simple for developers

  • Stars

    4,449

  • Last commit

    12 hours ago

  • License

    MIT
Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Rallly

Rallly

Effortless group scheduling for seamless collaboration

  • Stars

    5,238

  • Last commit

    13 hours ago

  • License

    AGPL-3.0
A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.

Open Source Alternative to:

Favicon of Calendly
Calendly
Favicon of Jitsu

Jitsu

Open-source data integration for modern stacks

  • Stars

    5,060

  • Last commit

    2 days ago

  • License

    MIT
Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.

Open Source Alternative to:

Favicon of Supermetrics
Supermetrics
Favicon of Kimai

Kimai

Effortless time tracking for teams and projects

  • Stars

    4,953

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Open-source time tracking solution for businesses of all sizes. Manage projects, track billable hours, and generate insightful reports.

Open Source Alternative to:

Favicon of Clockify
Clockify
Favicon of Colanode

Colanode

Self-hosted team workspace with chat, docs, and databases

  • Stars

    5,032

  • Last commit

    5 months ago

  • License

    Apache-2.0
Local-first collaboration platform combining real-time chat, rich text pages, databases, and file management in a single self-hostable workspace.

Open Source Alternative to:

Favicon of Notion
Notion
Favicon of Easy!Appointments

Easy!Appointments

Free open-source appointment booking for any business

  • Stars

    4,351

  • Last commit

    15 hours ago

  • License

    GPL-3.0
Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.

Open Source Alternative to:

Favicon of Calendly
Calendly
Favicon of Drupal

Drupal

Build powerful websites with the open-source CMS

  • Stars

    4,279

  • Last commit

    12 hours ago

  • License

    GPL-2.0
A flexible and extensible content management system for creating dynamic websites and digital experiences

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Rowy

Rowy

Build powerful backends without leaving your browser

  • Stars

    6,837

  • Last commit

    2 years ago

  • License

    Apache-2.0
A low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Statamic

Statamic

Craft flexible, powerful websites with ease

  • Stars

    4,880

  • Last commit

    11 hours ago

  • License

    Unknown
A flat-file CMS that combines simplicity and flexibility, empowering developers to build custom websites without database complexity.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of /dev/push

/dev/push

Deploy apps instantly with git push - open source alternative

  • Stars

    4,746

  • Last commit

    6 months ago

  • License

    MIT
Open source deployment platform that deploys apps directly from GitHub with zero-downtime, real-time logs, preview URLs, and support for Python, Node.js frameworks.

Open Source Alternative to:

Favicon of Vercel
Vercel
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