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Open Source Projects tagged "Javascript"

A curated collection of the best open source projects tagged "Javascript". Each listing includes a website screenshot along with a detailed review of its features.

Favicon of Novu

Novu

Multi-channel notification infrastructure for apps

  • Stars

    39,632

  • Last commit

    22 hours ago

  • License

    Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.

Open Source Alternative to:

Favicon of Customer.io
Customer.io
Favicon of Tolgee

Tolgee

Open-source localization platform for multilingual apps

  • Stars

    4,079

  • Last commit

    10 hours ago

  • License

    Apache-2.0
Manage app translations with in-context editing, AI translation, and collaborative tools. Self-hostable and free to start.

Open Source Alternative to:

Favicon of Crowdin
Crowdin
Favicon of Immich

Immich

Self-hosted photo and video backup for your own server

  • Stars

    112,293

  • Last commit

    9 hours ago

  • License

    AGPL-3.0
Back up, organize, search, and browse your personal photo and video library on your own server, with no third-party cloud access.

Open Source Alternative to:

Favicon of Google Photos
Google Photos
Favicon of Mermaid

Mermaid

Text-based diagramming that renders in code and docs

  • Stars

    89,877

  • Last commit

    1 day ago

  • License

    MIT
Create flowcharts, sequence diagrams, Gantt charts, and more using a simple Markdown-like syntax that renders anywhere.

Open Source Alternative to:

Favicon of Microsoft Visio
Microsoft Visio
Favicon of Strapi

Strapi

Headless CMS with REST and GraphQL APIs out of the box

  • Stars

    72,994

  • Last commit

    17 hours ago

  • License

    MIT
TypeScript headless CMS that generates REST and GraphQL APIs from your content model, with a no-code builder, plugin system, and full self-hosting support.

Open Source Alternative to:

Favicon of Sanity
Sanity
Favicon of Twenty

Twenty

Build a custom CRM without the proprietary lock-in

  • Stars

    55,297

  • Last commit

    9 hours ago

  • License

    AGPL-3.0
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of Appwrite

Appwrite

Open-source backend platform for rapid app development

  • Stars

    57,087

  • Last commit

    12 hours ago

  • License

    BSD-3-Clause
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Ghost

Ghost

Publishing platform for blogs, newsletters, and paid memberships

  • Stars

    54,952

  • Last commit

    11 hours ago

  • License

    MIT
Publish content, send email newsletters, and sell paid subscriptions from one platform. Used by independent journalists, creators, and businesses like YCombinator and Kickstarter.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Joplin

Joplin

Encrypted note-taking that syncs across all your devices

  • Stars

    56,045

  • Last commit

    17 hours ago

  • License

    Unknown
Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.

Open Source Alternative to:

Favicon of Obsidian
Obsidian
Favicon of Puter

Puter

A full desktop environment that runs in your browser

  • Stars

    43,157

  • Last commit

    11 hours ago

  • License

    AGPL-3.0
Puter is a cloud-based desktop OS you run in the browser, with built-in apps, file storage, and support for hosting web apps and sites.

Open Source Alternative to:

Favicon of Google Drive
Google Drive
Favicon of Bruno

Bruno

Lightweight, fast, and open-source API client for developers

  • Stars

    46,463

  • Last commit

    1 day ago

  • License

    MIT
A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of Rocket.Chat

Rocket.Chat

Self-hosted team messaging with voice, video, and AI

  • Stars

    46,017

  • Last commit

    16 hours ago

  • License

    MIT
Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.

Open Source Alternative to:

Favicon of Discord
Discord
Favicon of Discourse

Discourse

Cultivate vibrant online communities with ease

  • Stars

    47,700

  • Last commit

    10 hours ago

  • License

    GPL-2.0
A powerful, customizable platform for building and managing online forums, fostering engaging discussions and collaborative spaces.

Open Source Alternative to:

Favicon of Skool
Skool
Favicon of Payload

Payload

Headless CMS for developers, built with Node.js

  • Stars

    44,323

  • Last commit

    14 hours ago

  • License

    MIT
A powerful, flexible, and developer-friendly content management system that prioritizes customization and scalability.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of ToolJet

ToolJet

Build internal tools rapidly without coding

  • Stars

    40,670

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface

Open Source Alternative to:

Favicon of Retool
Retool
Favicon of drawDB

drawDB

Design database diagrams and generate SQL scripts instantly

  • Stars

    39,198

  • Last commit

    6 days ago

  • License

    AGPL-3.0
Free online database diagram editor with SQL generation. Create ER diagrams, visualize relationships, export scripts, and reverse engineer schemas - no signup required.

Open Source Alternative to:

Favicon of Microsoft Visio
Microsoft Visio
Favicon of Flowise AI

Flowise AI

AI
Visual builder for AI agents and LLM workflows

  • Stars

    55,384

  • Last commit

    9 days ago

  • License

    Apache-2.0
Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.

Open Source Alternative to:

Favicon of n8n
n8n
Favicon of AppSmith

AppSmith

Empower your team to build custom internal tools rapidly

  • Stars

    40,718

  • Last commit

    20 hours ago

  • License

    Apache-2.0
Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.

Open Source Alternative to:

Favicon of Make
Make
Favicon of Chatwoot

Chatwoot

Omnichannel customer support with a built-in AI assistant

  • Stars

    36,056

  • Last commit

    13 hours ago

  • License

    MIT
Manage customer conversations across live chat, email, WhatsApp, Instagram, and more from one inbox, with an AI assistant that suggests replies and automates common questions.

Open Source Alternative to:

Favicon of Manychat
Manychat
Favicon of PostHog

PostHog

Unlock Product Insights with Open-Source Analytics

  • Stars

    38,348

  • Last commit

    9 hours ago

  • License

    MIT
All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of Medusa

Medusa

Open-source e-commerce for modern developers

  • Stars

    35,942

  • Last commit

    19 hours ago

  • License

    MIT
Flexible, customizable e-commerce platform with headless architecture, built-in features, and extensive plugin ecosystem for scalable online stores.

Open Source Alternative to:

Favicon of Shopify
Shopify
Favicon of Outline

Outline

Fast, collaborative wiki for teams who need organized docs

  • Stars

    40,283

  • Last commit

    11 hours ago

  • License

    BUSL-1.1
Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.

Open Source Alternative to:

Favicon of Notion
Notion
Favicon of TipTap

TipTap

Craft rich text experiences with ease

  • Stars

    38,111

  • Last commit

    2 days ago

  • License

    MIT
A customizable, open-source rich text editor framework for modern web applications, built on Vue and Prosemirror
Favicon of Nextcloud

Nextcloud

Secure cloud collaboration platform for organizations

  • Stars

    36,520

  • Last commit

    9 hours ago

  • License

    AGPL-3.0
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

Open Source Alternative to:

Favicon of Google Drive
Google Drive
Favicon of Directus

Directus

Open-source data platform for effortless content management

  • Stars

    37,449

  • Last commit

    19 hours ago

  • License

    Unknown
A versatile headless CMS and API engine that simplifies data management, content creation, and application development.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Refine

Refine

Build data-rich React apps with ease and flexibility

  • Stars

    35,548

  • Last commit

    3 months ago

  • License

    MIT
A React-based framework for rapid development of internal tools, admin panels, and dashboards with powerful data handling capabilities.

Open Source Alternative to:

Favicon of Retool
Retool
Favicon of Zulip

Zulip

Organized team chat for distributed teams

  • Stars

    25,746

  • Last commit

    1 day ago

  • License

    Apache-2.0
Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.

Open Source Alternative to:

Favicon of Slack
Slack
Favicon of Redash

Redash

Connect, query, visualize, and share your data

  • Stars

    28,763

  • Last commit

    4 days ago

  • License

    BSD-2-Clause
Redash is an open-source data visualization and analytics platform that helps teams make sense of their data through SQL queries and interactive dashboards.

Open Source Alternative to:

Favicon of Power BI
Power BI
Favicon of GDevelop

GDevelop

Create 2D and 3D games without coding, powered by AI assistance

  • Stars

    25,833

  • Last commit

    14 hours ago

  • License

    Unknown
Free, open-source game engine with visual event system, AI tutor, and one-click publishing to Steam, iOS, Android, and web platforms.

Open Source Alternative to:

Favicon of Unity
Unity
Favicon of Pulumi

Pulumi

Infrastructure as code in your favorite language

  • Stars

    25,597

  • Last commit

    10 hours ago

  • License

    Apache-2.0
Pulumi enables developers to define and manage cloud infrastructure using familiar programming languages instead of domain-specific languages.

Open Source Alternative to:

Favicon of Terraform
Terraform
Favicon of Automa

Automa

Build AI agents and RPA workflows without writing code

  • Stars

    21,575

  • Last commit

    6 months ago

  • License

    Unknown
No-code platform for building AI agents and RPA workflows that automate repetitive business tasks across finance, HR, sales, and operations.

Open Source Alternative to:

Favicon of n8n
n8n
Favicon of Screenity

Screenity

Free, private screen recording for Chrome

  • Stars

    18,496

  • Last commit

    4 days ago

  • License

    GPL-3.0
Capture, annotate, and edit screen recordings with no limits or sign-up required. Completely private and open source.

Open Source Alternative to:

Favicon of Screen Studio
Screen Studio
Favicon of Wekan

Wekan

Visual project management with complete data control

  • Stars

    21,058

  • Last commit

    18 hours ago

  • License

    MIT
Open-source Kanban board solution offering visual task management, self-hosting capabilities, and robust security features for teams and individuals.

Open Source Alternative to:

Favicon of Monday
Monday
Favicon of E2B

E2B

AI
Secure cloud environments for enterprise AI agents

  • Stars

    13,510

  • Last commit

    19 hours ago

  • License

    Apache-2.0
Provide AI agents with secure, isolated sandboxes featuring real-world tools, code execution, and enterprise-grade security. Trusted by 88% of Fortune 100 companies.

Open Source Alternative to:

Favicon of Modal
Modal
Favicon of AITable

AITable

Visual database for workflow automation across apps

  • Stars

    15,563

  • Last commit

    10 months ago

  • License

    AGPL-3.0
AITable.ai offers a visual database platform that simplifies workflow automation and connects to over 6,000 apps through integrations like Zapier and Make.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of OpenReplay

OpenReplay

Self-hosted session replay with complete data control

  • Stars

    12,545

  • Last commit

    1 day ago

  • License

    AGPL-3.0
Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

Open Source Alternative to:

Favicon of Amplitude
Amplitude
Favicon of Planka

Planka

Self-hosted Kanban board with real-time collaboration

  • Stars

    12,433

  • Last commit

    12 days ago

  • License

    Unknown
Self-hosted Kanban board for agile teams. Unlimited boards, real-time sync, GDPR-compliant, and available as a free Community Edition or paid Pro.

Open Source Alternative to:

Favicon of Monday
Monday
Favicon of Kap

Kap

Effortless screen recording for macOS

  • Stars

    19,332

  • Last commit

    2 years ago

  • License

    MIT
Capture, edit, and share your screen with ease. Create stunning GIFs and videos for tutorials, demos, and bug reports.

Open Source Alternative to:

Favicon of Screen Studio
Screen Studio
Favicon of Orama

Orama

AI
Full-text & vector search at the edge.

  • Stars

    10,524

  • Last commit

    19 days ago

  • License

    Unknown
Blend full-text and semantic search for unlimited queries across 300 global locations. Get precise answers and matches at a flat rate, no matter your search volume.

Open Source Alternative to:

Favicon of ElasticSearch
ElasticSearch
Favicon of Invoice Ninja

Invoice Ninja

Send invoices, accept payments, manage your business—all free

  • Stars

    10,016

  • Last commit

    3 days ago

  • License

    Elastic-2.0
Free invoicing software for freelancers and small businesses. Create professional invoices, track expenses, accept online payments, and manage projects without hidden fees.

Open Source Alternative to:

Favicon of Quickbooks
Quickbooks
Favicon of NHost

NHost

Serverless backend platform for modern app development

  • Stars

    9,281

  • Last commit

    11 hours ago

  • License

    MIT
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Cap

Cap

Privacy-first CAPTCHA alternative with proof-of-work

  • Stars

    7,562

  • Last commit

    8 days ago

  • License

    Apache-2.0
Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.

Open Source Alternative to:

Favicon of reCAPTCHA
reCAPTCHA
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