Saas GitHub Repositories (2026) · Open Source Tools

Self-hosted email server for SaaS teams on Cloudflare Workers with WebMCP support

:baby_chick: A build monitor with attitude

💰 Simple invoicing service (REST API): from JSON to PDF

Open-source CRM your AI agents can read and update: companies, people, opportunities, tasks and notes. REST API, self-hosted or cloud.

Junk-free, 300+ directories, launch sites, newsletters, communities, subreddits and marketplaces to submit your startup, with Domain Rating, traffic and pricing. Synced weekly from submitlist.io.

ViaVersion as a Service - standalone ViaVersion proxy

Tom microservice toolkit for Stripe customers, subscription plans, email, and notifications.

An Opensource IaaS/PaaS/SaaS platform based on Kubernetes. Build your own cloud provider wherever you want.

A GRC Compliance tool for SaaS products to manage the entire lifecycle of security audits.

Modern, full-featured, production-ready native iOS app with user authentication.

Monorepo frontend skeleton for madong-admin-saas multi-tenant SaaS platform, built with Vue3 + Vben, includes tenant management, platform admin UI, RBAC and CRUD pages.

AI portrait SaaS (Laravel 11, Livewire, Filament, Stripe, fal.ai) — run in production, released as open source after closing

AI-powered README generator for GitHub. Paste a repo URL and instantly create a professional, well-structured README.md file.

Full service cloud hosting for the Frappe stack - powers Frappe Cloud

The Open Source Ruby on Rails SaaS Template

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

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