Compare
ExtensionFast vs Open SaaS
Open-source SaaS starter, no built-in Stripe or browser-extension support
ExtensionFastSkip the boring parts and make $ with Chrome extensions.
Open SaaSAn open-source, 100% free, production-grade, React & Node.js SaaS starter!Which to pick
Pick ExtensionFast if you want…
- Monetized browser-extension boilerplate
- Integrations with Firebase Auth, Chrome Web Store or WXT (on ExtensionFast's list, not Open SaaS's)
Pick Open SaaS if you want…
- Full-stack SaaS starter with built-in payments
- Free SaaS starter
- A free plan to start with
- Open-source code (wasp-lang/open-saas on GitHub, MIT license)
- Integrations with Node.js, Prisma or Polar.sh (on Open SaaS's list, not ExtensionFast's)
Side by side
- What it is
- ExtensionFast:ExtensionFast provides a ready-to-ship, monetized Chrome/Firefox/Edge extension boilerplate with payments, auth, and store submission tools.
- Open SaaS:Open SaaS is a free, open-source full-stack React + Node.js starter kit with built-in auth, payments and AI-ready features.
- Best for
- ExtensionFast:Monetized browser-extension boilerplate
- Open SaaS:Full-stack SaaS starter with built-in payments
- Who it’s for
- ExtensionFast:Developers who want to quickly launch a paid browser extension without building infrastructure from scratch.
- Open SaaS:Developers building SaaS products who want a ready-made, type-safe stack.
- Pricing
- ExtensionFast:Paid
- Open SaaS:Freemium
- Plans
- ExtensionFast:—
- Open SaaS:Hobby $9.99/month per month · Pro $19.99/month per month · 10 Credits $9.99
- Open source
- ExtensionFast:—
- Open SaaS:Yes, 16,015 GitHub stars
- Works with
- ExtensionFast:Stripe, Firebase Auth, Chrome Web Store, React, WXT
- Open SaaS:React, Node.js, Prisma, Stripe, Polar.sh, Lemon Squeezy, Plausible, Google Analytics
ExtensionFast features
- Stripe payments. Fully wired one-time and subscription payments with webhook handling.
- Firebase authentication. Google and email sign-in built in, with protected API routes.
- Cross-browser support. Runs on Chrome, Firefox and Edge out of the box.
- React + WXT boilerplate. Production-ready UI components and build setup.
- Web Store submission guides. Templates and step-by-step help for publishing extensions.
- AI-native agent recipes. Includes AGENTS.md and ready-made agent scripts for automation.
Open SaaS features
- Full-stack Type Safety. TypeScript types are auto-generated across the entire stack without extra configuration.
- Pre-configured Auth. Ready-to-use authentication flow that you own and can customize.
- Payment Provider Integration. Stripe, Polar.sh and Lemon Squeezy checkout and webhook setup out of the box.
- Admin Dashboard & Analytics. Built-in dashboard with graphs, tables and Plausible/Google Analytics support.
- File Uploads via AWS S3. Example code for presigned S3 uploads, fully documented.
- Built-in Blog with Astro. Markdown-based blog powered by Astro, with SEO-friendly rendering.
- E2E Tests & CI. Playwright tests and GitHub Actions CI pipeline included.
- Deploy Anywhere. No vendor lock-in; deploy yourself or use Wasp’s one-click deploy.
ExtensionFast vs Open SaaS FAQ
Is ExtensionFast or Open SaaS free?+
ExtensionFast is paid. Open SaaS has a free plan; paid plans start at $9.99/month (Hobby).
Is ExtensionFast or Open SaaS open source?+
Open SaaS is open source (wasp-lang/open-saas on GitHub, MIT license). DevHunt has no public source repository on record for ExtensionFast.
Do ExtensionFast and Open SaaS integrate with the same tools?+
Partly. Both list Stripe and React. ExtensionFast also lists Firebase Auth, Chrome Web Store and WXT; Open SaaS also lists Node.js, Prisma, Polar.sh, Lemon Squeezy and 5 more.
On DevHunt
Open SaaS
98 upvotes · Launched on DevHunt on Jan 23, 2024
Based on each tool's website and DevHunt data. Details may change; check the official sites.