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.
Continuous web-based localization for global reach
Stars
6,129Last commit
14 minutes agoLicense
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:
Lightweight self-hosted bookkeeping with AI receipt scanning
Stars
5,821Last commit
1 day agoLicense
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:
Effortless event-driven workflows for modern applications
Stars
5,988Last commit
38 minutes agoLicense
SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.
Open Source Alternative to:
Build, automate, and improve AI agents with your team
Stars
4,859Last commit
2 hours agoLicense
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:
Deploy a professional status page in minutes, no coding required
Stars
5,217Last commit
19 hours agoLicense
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:
Build reliable AI agents with unified tool integration
Stars
4,923Last commit
2 days agoLicense
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:
Pay per email sent, not for contact storage
Stars
4,757Last commit
6 days agoLicense
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:
Full observability for AI agents in production
Stars
4,734Last commit
1 day agoLicense
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:
Simulation-based testing and evaluation for AI agents
Stars
4,991Last commit
7 hours agoLicense
Apache-2.0
Tests AI agents through multi-turn simulations, LLM-based scoring, and production tracing so teams can ship reliable agents with confidence.
Open Source Alternative to:
Open-source CRM that puts simplicity and control first
Stars
Stars growing over the last 30 days3,854Last commit
2 days agoLicense
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:
Secure password management for teams
Stars
6,186Last commit
5 days agoLicense
AGPL-3.0
Open source password manager focused on security, collaboration and privacy for organizations
Open Source Alternative to:
Powerful helpdesk solution for streamlined customer service
Stars
6,029Last commit
2 days agoLicense
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:
Comprehensive analytics for data-driven decisions
Stars
5,922Last commit
15 hours agoLicense
Other
All-in-one analytics platform for mobile, web, and desktop apps. Track user behavior, monitor performance, and optimize your product.
Open Source Alternative to:
Open source modular logistics platform for faster app development
Stars
Stars growing quickly over the last 30 days4,392Last commit
2 hours agoLicense
AGPL-3.0
Fleetbase is a comprehensive open source logistics suite offering API, TMS, driver and customer apps for streamlined operations and development.
Open Source Alternative to:
Enterprise workplace AI with data you own and control
Stars
3,846Last commit
14 minutes agoLicense
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:
Spreadsheet-like interface for PostgreSQL databases
Stars
5,159Last commit
9 hours agoLicense
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:
Powerful observability made simple for developers
Stars
4,522Last commit
7 hours agoLicense
MIT
Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.
Open Source Alternative to:
Effortless group scheduling for seamless collaboration
Stars
5,319Last commit
51 minutes agoLicense
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:
Open-source data integration for modern stacks
Stars
5,113Last commit
2 days agoLicense
MIT
Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.
Open Source Alternative to:
Effortless time tracking for teams and projects
Stars
5,096Last commit
22 hours agoLicense
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:
Free open-source appointment booking for any business
Stars
4,457Last commit
6 days agoLicense
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:
Effortlessly manage events and sell tickets online
Stars
4,078Last commit
16 minutes agoLicense
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:
Self-hosted team workspace with chat, docs, and databases
Stars
5,171Last commit
7 months agoLicense
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:
Build powerful websites with the open-source CMS
Stars
4,296Last commit
1 day agoLicense
GPL-2.0
A flexible and extensible content management system for creating dynamic websites and digital experiences
Open Source Alternative to:
Craft flexible, powerful websites with ease
Stars
4,909Last commit
1 day agoLicense
Unknown
A flat-file CMS that combines simplicity and flexibility, empowering developers to build custom websites without database complexity.
Open Source Alternative to:
Stateful AI agents that remember, learn, and improve over time
Stars
Stars growing over the last 30 days3,707Last commit
3 hours agoLicense
Apache-2.0
Build persistent AI agents with continuous memory, scheduled tasks, and multi-channel communication via Slack, Discord, and Telegram, using your own API keys.
Open Source Alternative to:
A spreadsheet engine you can embed, self-host, or run in the browser
Stars
4,228Last commit
16 hours agoLicense
Apache-2.0
IronCalc is an open-source, Rust-powered spreadsheet engine with .xlsx support, 300+ functions, and bindings for JavaScript and Python.
Open Source Alternative to:
System-wide ad-blocking and privacy protection, no extensions needed
Stars
4,300Last commit
2 days agoLicense
MIT
Free, open-source desktop app that blocks ads, trackers, and surveillance scripts across all browsers and apps on Windows, macOS, and Linux.
Open Source Alternative to:
Feature-rich backend that runs anywhere you need it
Stars
3,775Last commit
10 hours agoLicense
Apache-2.0
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Open Source Alternative to:
YAML-defined workflow orchestration, no database required
Stars
Stars growing over the last 30 days4,440Last commit
14 minutes agoLicense
GPL-3.0
Single-binary workflow orchestrator that runs scheduled DAGs locally or over SSH, with retries, human tasks, a built-in Web UI, and file-based state storage.
Open Source Alternative to:
Build powerful backends without leaving your browser
Stars
6,842Last commit
2 years agoLicense
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:
Open-source helpdesk for seamless customer support
Stars
4,616Last commit
1 day agoLicense
AGPL-3.0
Self-hosted email management system with shared inboxes, automation, and powerful collaboration features for efficient customer support.
Open Source Alternative to:
Open-source growth platform for customer-centric teams
Stars
4,095Last commit
16 hours agoLicense
AGPL-3.0
All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
Open Source Alternative to:
Open source security automation platform for builders
Stars
3,862Last commit
1 day agoLicense
AGPL-3.0
Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.
Open Source Alternative to:
Deploy apps instantly with git push - open source alternative
Stars
4,778Last commit
8 months agoLicense
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:
Secure, policy-based access control for modern applications
Stars
4,631Last commit
2 days agoLicense
Apache-2.0
A scalable authorization layer that provides fine-grained access control through externalized policies, enabling secure and flexible permissions management.
Open Source Alternative to:
Git-native feature management for developers
Stars
4,927Last commit
18 hours agoLicense
GPL-3.0
A feature flag platform that integrates with Git workflows, enabling developers to manage features directly in their codebase.
Open Source Alternative to:
Track coding time effortlessly, gain insights instantly
Stars
4,462Last commit
21 hours agoLicense
MIT
Open-source, self-hosted time tracking solution for developers. Analyze coding habits, improve productivity, and visualize progress.
Open Source Alternative to:
Open source observability platform for modern applications
Stars
4,305Last commit
3 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:
Open-source ticketing system for streamlined support
Stars
3,445Last commit
1 day agoLicense
AGPL-3.0
Frappe Helpdesk consolidates customer issues, automates workflows, and empowers self-service to boost agent productivity and customer satisfaction.
Open Source Alternative to:
Create powerful forms with ease and flexibility
Stars
Stars growing over the last 30 days3,865Last commit
19 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
13 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:
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
Sent
c15t
CodeRabbit