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Open Source Projects tagged "Nextjs"

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

Favicon of Postiz

Postiz

Schedule, analyze, and manage 30+ social media accounts

  • Stars

    34,869

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Self-hostable social media scheduler that lets you plan, generate, and publish content across 30+ networks with AI assistance, team collaboration, and automation integrations.

Open Source Alternative to:

Favicon of Buffer
Buffer
Favicon of Dub Partners

Dub Partners

Affiliate marketing platform built for SaaS companies

  • Stars

    24,531

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Run affiliate, influencer, and referral programs with flexible reward structures, real-time attribution, and automated global payouts.

Open Source Alternative to:

Favicon of Affonso
Affonso
Favicon of Cap

Cap

Open source screen recorder with editing and instant sharing

  • Stars

    21,003

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Record your screen or webcam, edit with backgrounds and effects, then share via link. Built on Rust and Tauri for native performance on macOS and Windows.

Open Source Alternative to:

Favicon of Screen Studio
Screen Studio
Favicon of Dify

Dify

AI
Build and deploy AI agents and RAG pipelines visually

  • Stars

    152,911

  • Last commit

    5 hours ago

  • License

    Unknown
Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.

Open Source Alternative to:

Favicon of Retool
Retool
Favicon of Supabase

Supabase

Postgres-powered backend platform for production apps

  • Stars

    108,160

  • Last commit

    5 hours ago

  • License

    Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.

Open Source Alternative to:

Favicon of Firebase
Firebase
Favicon of LobeChat

LobeChat

AI
Manage, build, and run AI agent teams around the clock

  • Stars

    81,827

  • Last commit

    5 hours ago

  • License

    Unknown
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of Plane

Plane

Project management for teams and AI agents

  • Stars

    56,143

  • Last commit

    13 hours ago

  • License

    AGPL-3.0
Open source project management platform combining issues, wikis, and AI agents in one workspace. Available on cloud, self-hosted, and air-gapped deployments.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Coolify

Coolify

Deploy apps, databases, and services to your own server

  • Stars

    60,758

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Self-hostable deployment platform that lets you deploy apps, databases, and 280+ one-click services to any server via SSH, with Git integration and automatic SSL.

Open Source Alternative to:

Favicon of Vercel
Vercel
Favicon of Appwrite

Appwrite

Open-source backend platform for rapid app development

  • Stars

    57,056

  • Last commit

    8 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 Cal.com

Cal.com

Self-host your own scheduling page, no vendor required

  • Stars

    47,804

  • Last commit

    11 days ago

  • License

    MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

Open Source Alternative to:

Favicon of Calendly
Calendly
Favicon of Payload

Payload

Headless CMS for developers, built with Node.js

  • Stars

    44,267

  • Last commit

    7 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 Dokploy

Dokploy

Effortless deployment and management for any VPS

  • Stars

    36,718

  • Last commit

    1 day ago

  • License

    Unknown
Streamline your deployment process with Dokploy. Manage applications and databases on any VPS using Docker and Traefik for improved performance and security.

Open Source Alternative to:

Favicon of Vercel
Vercel
Favicon of CopilotKit

CopilotKit

AI
Build AI copilots for your product in hours, not months

  • Stars

    36,849

  • Last commit

    5 hours ago

  • License

    MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

Open Source Alternative to:

Favicon of LangChain
LangChain
Favicon of Onyx

Onyx

AI
Unified AI-powered enterprise search across company data

  • Stars

    31,668

  • Last commit

    5 hours ago

  • License

    MIT
An open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information

Open Source Alternative to:

Favicon of ElasticSearch
ElasticSearch
Favicon of FastGPT

FastGPT

AI
Build powerful AI knowledge bases with ease

  • Stars

    29,389

  • Last commit

    12 hours ago

  • License

    Unknown
FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.

Open Source Alternative to:

Favicon of Zendesk
Zendesk
Favicon of SigNoz

SigNoz

Open-source observability platform for cloud-native apps

  • Stars

    31,881

  • Last commit

    5 hours ago

  • License

    MIT
Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Refine

Refine

Build data-rich React apps with ease and flexibility

  • Stars

    35,534

  • 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 Karakeep

Karakeep

Save links, notes, and images. AI tags them for you.

  • Stars

    28,470

  • Last commit

    3 days ago

  • License

    AGPL-3.0
Self-hostable bookmark manager that saves links, notes, images, and PDFs, then automatically tags and organizes them using AI for faster retrieval.

Open Source Alternative to:

Favicon of Pocket
Pocket
Favicon of Onlook

Onlook

AI
Visual React editor with real-time code updates

  • Stars

    26,514

  • Last commit

    29 days ago

  • License

    Apache-2.0
Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.

Open Source Alternative to:

Favicon of Framer
Framer
Favicon of Dub Links

Dub Links

Branded short links with analytics and conversion tracking

  • Stars

    24,531

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Link management platform for marketing teams with custom domains, UTM builder, A/B testing, geo-targeting, QR codes, and real-time conversion analytics.

Open Source Alternative to:

Favicon of TinyURL
TinyURL
Favicon of Hey

Hey

Decentralized social networking for the Web3 era

  • Stars

    29,383

  • Last commit

    3 months ago

  • License

    GPL-3.0
A blockchain-powered social platform offering censorship-resistant content sharing, user-owned data, and innovative monetization options.

Open Source Alternative to:

Favicon of X (Twitter)
X (Twitter)
Favicon of Dyad

Dyad

AI
Build unlimited AI apps locally with zero vendor lock-in

  • Stars

    21,279

  • Last commit

    5 hours ago

  • License

    Apache-2.0
Create full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.

Open Source Alternative to:

Favicon of Lovable
Lovable
Favicon of Linkwarden

Linkwarden

Collaborative bookmark manager for teams and individuals

  • Stars

    19,529

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Open-source platform to collect, organize, and preserve webpages with powerful collaboration features

Open Source Alternative to:

Favicon of Pocket
Pocket
Favicon of SurfSense

SurfSense

AI
Privacy-first knowledge base with any AI model you choose

  • Stars

    15,964

  • Last commit

    9 hours ago

  • License

    Apache-2.0
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.

Open Source Alternative to:

Favicon of Perplexity
Perplexity
Favicon of Documenso

Documenso

Secure, open-source document signing for everyone

  • Stars

    14,615

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Streamline your document workflows with a powerful, privacy-focused e-signature platform that puts you in control of your data.

Open Source Alternative to:

Favicon of DocuSign
DocuSign
Favicon of Trigger

Trigger

Run long-running AI tasks without timeouts or servers

  • Stars

    16,066

  • Last commit

    6 hours ago

  • License

    Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.

Open Source Alternative to:

Favicon of Make
Make
Favicon of Spree Commerce

Spree Commerce

Open source headless commerce with REST API, no platform fees, built for B2B and marketplaces

  • Stars

    15,631

  • Last commit

    6 hours ago

  • License

    BSD-3-Clause
Headless eCommerce platform with REST API, TypeScript SDK, and Next.js storefront. Handle B2B, multi-vendor marketplaces, and cross-border commerce. Self-hosted, open source, zero fees.

Open Source Alternative to:

Favicon of Shopify
Shopify
Favicon of Midday

Midday

Streamline your business finances and operations

  • Stars

    14,775

  • Last commit

    2 months ago

  • License

    AGPL-3.0
All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.

Open Source Alternative to:

Favicon of YNAB
YNAB
Favicon of Formbricks

Formbricks

Privacy-first survey and experience management platform

  • Stars

    12,794

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Collect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of E2B

E2B

AI
Secure cloud environments for enterprise AI agents

  • Stars

    13,473

  • Last commit

    5 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 Inbox Zero

Inbox Zero

AI email assistant that automates, organizes, and declutters

  • Stars

    12,034

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Automates Gmail and Outlook with AI-drafted replies, bulk unsubscribe, cold email blocking, attachment filing, and inbox analytics for individuals and teams.

Open Source Alternative to:

Favicon of Superhuman Mail
Superhuman Mail
Favicon of Fumadocs

Fumadocs

Build beautiful documentation sites with Next.js

  • Stars

    12,933

  • Last commit

    15 hours ago

  • License

    MIT
A flexible Next.js framework for creating stunning documentation sites with MDX support, built-in search, and customizable components.

Open Source Alternative to:

Favicon of Mintlify
Mintlify
Favicon of Typebot

Typebot

Create powerful chatbots without coding

  • Stars

    10,269

  • Last commit

    10 hours ago

  • License

    Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.

Open Source Alternative to:

Favicon of Manychat
Manychat
Favicon of Blinko

Blinko

AI-Powered Note Taking App

  • Stars

    10,881

  • Last commit

    16 days ago

  • License

    GPL-3.0
The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.

Open Source Alternative to:

Favicon of Notion
Notion
Favicon of AITable

AITable

Visual database for workflow automation across apps

  • Stars

    15,536

  • 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 TinaCMS

TinaCMS

Visual editing for your Git-based content

  • Stars

    13,736

  • Last commit

    17 hours ago

  • License

    Apache-2.0
A headless CMS that simplifies content management with real-time editing, Git-based workflows, and developer-friendly customization.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of OpenReplay

OpenReplay

Self-hosted session replay with complete data control

  • Stars

    12,527

  • Last commit

    10 hours 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 Morphic

Morphic

AI
AI-powered answer engine with dynamic interface generation

  • Stars

    9,048

  • Last commit

    22 hours ago

  • License

    Apache-2.0
Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of Kap

Kap

Effortless screen recording for macOS

  • Stars

    19,331

  • 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 Polar

Polar

Modern payment infrastructure for digital products and SaaS

  • Stars

    10,202

  • Last commit

    6 hours ago

  • License

    Apache-2.0
Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.

Open Source Alternative to:

Favicon of Stripe
Stripe
Favicon of Papermark

Papermark

Open-source document sharing with powerful analytics

  • Stars

    8,954

  • Last commit

    1 day ago

  • License

    AGPL-3.0
Secure, customizable platform for sharing documents and tracking engagement. Perfect for sales teams, marketers, and businesses.

Open Source Alternative to:

Favicon of PandaDoc
PandaDoc
Favicon of OpenStatus

OpenStatus

Status page and uptime monitoring for growing teams

  • Stars

    8,994

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Open-source status page and uptime monitor that tracks endpoints from 28 global regions, communicates incidents, and helps satisfy SOC 2 audit requirements.

Open Source Alternative to:

Favicon of incident.io
incident.io
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