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Open Source Projects using Eslint

A curated collection of the 442 best open source software using Eslint. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Favicon of Apache Pinot

Apache Pinot

Distributed OLAP database for real-time analytics at scale

  • Stars

    6,122

  • Last commit

    6 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 Standard Notes

Standard Notes

Secure, encrypted notes for your digital life

  • Stars

    6,591

  • 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 Permify

Permify

Build scalable authorization in minutes, not months

  • Stars

    5,936

  • Last commit

    18 hours 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 Tabularis

Tabularis

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

  • Stars

    4,125

  • Last commit

    10 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 Inngest

Inngest

Effortless event-driven workflows for modern applications

  • Stars

    5,742

  • Last commit

    6 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 ezBookkeeping

ezBookkeeping

Lightweight self-hosted bookkeeping with AI receipt scanning

  • Stars

    5,427

  • Last commit

    9 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 ACI.dev

ACI.dev

AI
Build reliable AI agents with unified tool integration

  • Stars

    4,880

  • 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 Latitude

Latitude

AI
Full observability for AI agents in production

  • Stars

    4,595

  • Last commit

    8 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 Solidus

Solidus

Flexible eCommerce platform for brands that stand out

  • Stars

    5,319

  • Last commit

    7 hours ago

  • License

    Unknown
Open-source eCommerce platform offering customization, scalability and enterprise-grade features for brands of all sizes

Open Source Alternative to:

Favicon of Shopify
Shopify
Favicon of useSend

useSend

Pay per email sent, not for contact storage

  • Stars

    4,614

  • Last commit

    26 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 Zammad

Zammad

Powerful helpdesk solution for streamlined customer service

  • Stars

    5,856

  • Last commit

    8 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 Agenta

Agenta

AI
Build reliable LLM apps with integrated workflows

  • Stars

    4,495

  • Last commit

    7 hours ago

  • License

    MIT
Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.

Open Source Alternative to:

Favicon of LangSmith
LangSmith
Favicon of Countly

Countly

Comprehensive analytics for data-driven decisions

  • Stars

    5,888

  • Last commit

    6 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 Vikunja

Vikunja

Organize, collaborate, and conquer your tasks

  • Stars

    5,099

  • Last commit

    8 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 Mathesar

Mathesar

Spreadsheet-like interface for PostgreSQL databases

  • Stars

    5,096

  • 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 Books

Frappe Books

Modern desktop accounting made simple and free

  • Stars

    4,891

  • Last commit

    3 months 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 YNAB
YNAB
Favicon of Hi.Events

Hi.Events

Effortlessly manage events and sell tickets online

  • Stars

    3,986

  • Last commit

    7 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 Colanode

Colanode

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

  • Stars

    5,019

  • 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 Jitsu

Jitsu

Open-source data integration for modern stacks

  • Stars

    5,038

  • Last commit

    17 hours 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 Segment
Segment
Favicon of Pipeshub

Pipeshub

AI
Enterprise workplace AI with data you own and control

  • Stars

    3,568

  • 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 Kimai

Kimai

Effortless time tracking for teams and projects

  • Stars

    4,919

  • Last commit

    7 hours 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 Drupal

Drupal

Build powerful websites with the open-source CMS

  • Stars

    4,278

  • Last commit

    13 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

    6,833

  • 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 Deta Surf

Deta Surf

Browser and notebook combined with local-first AI

  • Stars

    3,529

  • Last commit

    2 days ago

  • License

    Apache-2.0
A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.

Open Source Alternative to:

Favicon of NotebookLM
NotebookLM
Favicon of Ever Gauzy

Ever Gauzy

Comprehensive open-source business management platform

  • Stars

    4,333

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of Erxes

Erxes

Open-source growth platform for customer-centric teams

  • Stars

    4,068

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of Zen

Zen

System-wide ad-blocking and privacy protection, no extensions needed

  • Stars

    4,134

  • Last commit

    6 days ago

  • License

    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:

Favicon of AdGuard
AdGuard
Favicon of Flipt

Flipt

Git-native feature management for developers

  • Stars

    4,873

  • Last commit

    12 hours ago

  • License

    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:

Favicon of LaunchDarkly
LaunchDarkly
Favicon of Frappe Helpdesk

Frappe Helpdesk

Open-source ticketing system for streamlined support

  • Stars

    3,321

  • Last commit

    2 days ago

  • License

    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:

Favicon of Zendesk
Zendesk
Favicon of Uptrace

Uptrace

Open source observability platform for modern applications

  • Stars

    4,264

  • Last commit

    6 days ago

  • License

    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:

Favicon of DataDog
DataDog
Favicon of Bigcapital

Bigcapital

Automate financial processes for smarter business decisions

  • Stars

    3,846

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.

Open Source Alternative to:

Favicon of Quickbooks
Quickbooks
Favicon of Lychee

Lychee

Self-hosted photo management with full control

  • Stars

    4,259

  • Last commit

    15 hours ago

  • License

    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:

Favicon of Google Photos
Google Photos
Favicon of OpnForm

OpnForm

Create powerful forms with ease and flexibility

  • Stars

    3,611

  • Last commit

    15 hours ago

  • License

    AGPL-3.0
A versatile open-source form builder for collecting data, managing submissions, and integrating with your favorite tools.

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of LibreOffice

LibreOffice

Free office suite with Microsoft compatibility

  • Stars

    4,250

  • Last commit

    7 hours ago

  • License

    GPL-3.0
Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.

Open Source Alternative to:

Favicon of Microsoft Word
Microsoft Word
Favicon of Cinny

Cinny

Secure and elegant Matrix client for seamless conversations

  • Stars

    3,848

  • Last commit

    5 days ago

  • License

    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:

Favicon of Discord
Discord
Favicon of Soketi

Soketi

Next-gen WebSockets server for real-time apps

  • Stars

    5,633

  • Last commit

    1 year ago

  • License

    AGPL-3.0
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.

Open Source Alternative to:

Favicon of Firebase
Firebase
Favicon of Chartbrew

Chartbrew

Create stunning data visualizations with ease

  • Stars

    4,041

  • Last commit

    10 hours ago

  • License

    MIT
A powerful, open-source platform for building interactive dashboards and charts from multiple data sources without coding.

Open Source Alternative to:

Favicon of Power BI
Power BI
Favicon of Ueli

Ueli

Quick access to apps and files with keyboard shortcuts

  • Stars

    4,583

  • Last commit

    8 days ago

  • License

    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:

Favicon of Raycast
Raycast
Favicon of Laminar

Laminar

AI
AI-powered platform for engineering LLM products

  • Stars

    3,182

  • Last commit

    1 day ago

  • License

    Apache-2.0
Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.

Open Source Alternative to:

Favicon of LangChain
LangChain
Favicon of Bknd

Bknd

Feature-rich backend that runs anywhere you need it

  • Stars

    3,749

  • Last commit

    5 months ago

  • License

    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:

Favicon of Supabase
Supabase
Favicon of Twill CMS

Twill CMS

Craft flexible, beautiful digital experiences with ease

  • Stars

    3,975

  • Last commit

    19 days ago

  • License

    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:

Favicon of WordPress
WordPress
Favicon of Collabora Online

Collabora Online

Open-source document editing suite for secure collaboration

  • Stars

    3,319

  • Last commit

    1 day ago

  • License

    Unknown
Powerful online document editor with Microsoft Office compatibility. Integrate into your infrastructure or use trusted hosting partners for secure team collaboration.

Open Source Alternative to:

Favicon of Microsoft Word
Microsoft Word
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