Awesome list of open-source startup alternatives to well-known SaaS products 🚀

Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.

A collection of services with great free tiers for developers on a budget. Sponsored by Mockoon, the best mock API tool. https://mockoon.com

A free, open-source SaaS app starter for React & Node.js with superpowers. Full-featured. Community-driven.

Wave - The Software as a Service Starter Kit, designed to help you build the SAAS of your dreams 🚀 💰

No need to know Kubernetes' cloud native application management platform | 不用懂 Kubernetes 的云原生应用管理平台

Build your own SaaS business with SaaS boilerplate. Productive stack: React, Material-UI, Next, MobX, WebSockets, Express, Node, Mongoose, MongoDB. Written with TypeScript.

🚀🎉📚 SaaS Boilerplate built with Next.js + Tailwind CSS + Shadcn UI + TypeScript. ⚡️ Full-stack React application with Auth, Multi-tenancy, Roles & Permissions, i18n, Landing Page, DB, Logging, Testing

Automatic multi-tenancy for Laravel. No code changes needed.

🔥 Enterprise SaaS Starter Kit - Kickstart your enterprise app development with the Next.js SaaS boilerplate 🚀

An open source Merchant of Record. Sell SaaS and digital products in minutes.

Run multiple websites using the same Laravel installation while keeping tenant specific data separated for fully independent multi-domain setups, previously github.com/hyn/multi-tenant

Silex is an online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.

SaaS Boilerplate - Open Source and free SaaS stack that lets you build SaaS products faster in React, Django and AWS. Focus on essential business logic instead of coding repeatable features!

Beautiful Open-Source Form Builder

Fullstack TypeScript toolkit that enhances Prisma ORM with flexible Authorization layer for RBAC/ABAC/PBAC/ReBAC, offering auto-generated type-safe APIs and frontend hooks.

Free online agile retrospective meeting tool

Cloud Native DataOps & AIOps Platform | 云原生数智运维平台

Opinionated SaaS quick-start with pre-built user account and organization system for full-stack application development in React, Node.js, GraphQL and PostgreSQL. Powered by PostGraphile, TypeScript, Apollo Client, Graphile Worker, Graphile Migrate, GraphQL Code Generator, Ant Design and Next.js

The Open Source Ruby on Rails SaaS Template