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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.

Postiz

Schedule, analyze, and manage 30+ social media accounts

  • Stars

    Stars growing quickly over the last 30 days41,101

  • Last commit

    24 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:

Post Bridge

Dify

AI
Build and deploy AI agents and RAG pipelines visually

  • Stars

    160,645

  • Last commit

    8 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:

Retool

Supabase

Postgres-powered backend platform for production apps

  • Stars

    Stars growing over the last 30 days114,649

  • Last commit

    15 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:

Firebase

LobeHub

AI
AI agents that work inside your team chats and learn over time

  • Stars

    84,365

  • Last commit

    8 hours ago

  • License

    Other
Add AI agents to Slack, Discord or Telegram that pick up requests, hand coding to Claude Code or Codex, report back in thread, and learn from your corrections.

Open Source Alternative to:

Grok Bot

Plane

Project management for teams and AI agents

  • Stars

    62,140

  • Last commit

    1 day 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:

Jira

Coolify

Deploy apps, databases, and services to your own server

  • Stars

    Stars growing over the last 30 days65,770

  • Last commit

    19 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:

Vercel

Cal.com

Self-host your own scheduling page, no vendor required

  • Stars

    49,786

  • Last commit

    5 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:

Calendly

Appwrite

Open-source backend platform for rapid app development

  • Stars

    57,890

  • Last commit

    11 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:

Supabase

Payload

Headless CMS for developers, built with Node.js

  • Stars

    45,724

  • Last commit

    1 day ago

  • License

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

Open Source Alternative to:

WordPress

Dokploy

Effortless deployment and management for any VPS

  • Stars

    38,287

  • 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:

Vercel

CopilotKit

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

  • Stars

    38,564

  • Last commit

    22 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:

LangChain

Onyx

AI
Unified AI-powered enterprise search across company data

  • Stars

    33,280

  • Last commit

    9 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:

ElasticSearch

FastGPT

AI
Build powerful AI knowledge bases with ease

  • Stars

    29,999

  • Last commit

    9 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:

Zendesk

SigNoz

Open-source observability platform for cloud-native apps

  • Stars

    32,544

  • Last commit

    21 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:

DataDog

Refine

Build data-rich React apps with ease and flexibility

  • Stars

    36,010

  • Last commit

    2 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:

Retool

Karakeep

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

  • Stars

    30,392

  • Last commit

    20 hours 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:

Pocket

Onlook

AI
Visual React editor with real-time code updates

  • Stars

    27,139

  • Last commit

    18 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:

Framer

Cap

Screen recorder with instant sharing and a built-in editor

  • Stars

    Stars growing over the last 30 days24,622

  • Last commit

    12 hours ago

  • License

    AGPL-3.0
Record your screen in Instant, Studio, or Screenshot mode, then share via a link with auto-generated transcripts, chapters, and summaries.

Open Source Alternative to:

Loom

Dub Links

Branded short links with analytics and conversion tracking

  • Stars

    25,135

  • Last commit

    13 days 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:

TinyURL

Dyad

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

  • Stars

    22,231

  • Last commit

    2 days 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:

Lovable

Linkwarden

Collaborative bookmark manager for teams and individuals

  • Stars

    20,341

  • Last commit

    14 days ago

  • License

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

Open Source Alternative to:

Pocket

SurfSense

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

  • Stars

    16,804

  • Last commit

    13 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:

NotebookLM

Documenso

Secure, open-source document signing for everyone

  • Stars

    15,684

  • Last commit

    10 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:

DocuSign

Trigger

Run long-running AI tasks without timeouts or servers

  • Stars

    16,729

  • Last commit

    5 days 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:

Make

Spree Commerce

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

  • Stars

    15,816

  • Last commit

    9 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:

Shopify

Formbricks

Privacy-first survey and experience management platform

  • Stars

    13,225

  • Last commit

    21 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:

Google Forms

E2B

AI
Secure cloud environments for enterprise AI agents

  • Stars

    Stars growing over the last 30 days14,765

  • Last commit

    2 days 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:

Daytona

Inbox Zero

AI email assistant that automates, organizes, and declutters

  • Stars

    Stars growing over the last 30 days12,942

  • Last commit

    9 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:

Superhuman Mail

AITable

Visual database for workflow automation across apps

  • Stars

    15,660

  • Last commit

    2 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:

Airtable

Midday

Streamline your business finances and operations

  • Stars

    15,116

  • Last commit

    5 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:

YNAB

Fumadocs

Build beautiful documentation sites with Next.js

  • Stars

    13,573

  • Last commit

    9 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:

Mintlify

Typebot

Create powerful chatbots without coding

  • Stars

    10,610

  • Last commit

    1 day ago

  • License

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

Open Source Alternative to:

Manychat

OpenReplay

Self-hosted session replay with complete data control

  • Stars

    13,115

  • Last commit

    2 days 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:

Mixpanel

TinaCMS

Visual editing for your Git-based content

  • Stars

    13,867

  • Last commit

    2 days 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:

WordPress

Blinko

AI-Powered Note Taking App

  • Stars

    11,173

  • Last commit

    3 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:

Notion

Morphic

AI
AI-powered answer engine with dynamic interface generation

  • Stars

    9,300

  • Last commit

    4 days 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:

Claude

Kap

Effortless screen recording for macOS

  • Stars

    19,416

  • 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:

Loom

Polar

Modern payment infrastructure for digital products and SaaS

  • Stars

    10,466

  • Last commit

    2 days 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:

Stripe

Papermark

Open-source document sharing with powerful analytics

  • Stars

    9,310

  • Last commit

    2 months 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:

PandaDoc

OpenStatus

Status page and uptime monitoring for growing teams

  • Stars

    9,250

  • Last commit

    19 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:

BetterStack

NHost

Serverless backend platform for modern app development

  • Stars

    9,375

  • Last commit

    12 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:

Supabase

Dograh

AI
Self-hostable voice agent platform with full model control

  • Stars

    Stars growing over the last 30 days6,038

  • Last commit

    1 day ago

  • License

    BSD-2-Clause
Open-source voice agent platform that lets you plug in your own STT, LLM, and TTS models, deploy on-prem or in your VPC, and build agents via MCP or a visual workflow builder.

Open Source Alternative to:

Voiceflow
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