Open-source startups tagged #nextjs

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 280+ one-click services on your own servers.

The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more

Scheduling infrastructure for absolutely everyone.

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.

Open Source Alternative to Vercel, Netlify and Heroku.

📨 The ultimate agentic social media scheduling tool 🤖

Open Source AI Platform - AI Chat with advanced features that works with every LLM

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develop and deploy complex question-answering systems without the need for extensive setup or configuration.

A self-hostable bookmark-everything app (links, notes and images) with AI-based automatic tagging and full text search

Hey is a decentralized and permissionless social media app built with Lens Protocol 🌿

The #1 AI Harness for Building Resumes, PDFs, Cover Letters & more, locally with 100+ LLMs support.

The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.

Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to elevate your reading experience.

The modern link attribution platform. Loved by world-class marketing teams like Framer, Perplexity, Superhuman, Twilio, Buffer and more.

Open source Loom alternative. Beautiful, shareable screen recordings.

Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternative 🌟 Star if you like it!

⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.

Trigger.dev – build and deploy durable AI agents and workflows

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

The Open Source DocuSign Alternative.

Invoicing, Time tracking, File reconciliation, Storage, Financial Overview & your own Assistant made for Freelancers

Open-source, secure environment with real-world tools for enterprise-grade agents.

一分钟搭建影视站，支持Docker等部署方式

TinaCMS is the leading open-source headless CMS that supports Markdown and Visual Editing. Your content is stored in your own GitHub repo 🦙 ❤️

AI that sees your screen, listens to your conversations and tells you what to do

The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting, and AI gateway to ship full-stack apps end-to-end.

Open Source Qualtrics Alternative

Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.

The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.

A commenting system powered by GitHub Discussions. :octocat: :speech_balloon: :gem:

💬 Typebot is a powerful chatbot builder that you can self-host.

Polar — A billing platform for the intelligence era