Ragbag
AI apps
Next.js RAG starter: upload documents, chat with citations, bill by usage
- Answers cite the exact page they came from
- Per-account model cost tracking in admin
- Switch model providers in one config file
$199 once
48SaaS starter kits, tested
Auth, billing, teams, admin: compared across 48 starters
Filter by stack, license and billing provider. Every listing notes the ORM, the auth library, the email setup and the date of the last real commit.
- 48
- starters tested
- 7
- stacks covered
- 90 days
- max between re-checks
- 7
- categories, hand-sorted
7 new starters added recently · every entry reviewed by a person
Featured
This month's featured starters
One-time
Pocketwatch
Expo and Supabase starter with RevenueCat paywalls and push notifications
Firebrick
Rails 8 starter with Hotwire, Solid Queue and the Pay gem, ready for teams
Samphire
SvelteKit and Supabase starter with teams, billing and a tidy admin
Quaystone
Next.js App Router starter with orgs, roles, Stripe and an admin that's actually done
starters by category
Next.js & Remix
React-based starters on Next.js App Router or Remix, from minimal landing-plus-checkout kits to B2B setups with SSO.
Next.js SaaS with Payload CMS for the blog, docs and changelog
One-time$149 onceRealtime Next.js starter on Convex, free for any number of apps
FreeFreeLanding page, login and Stripe checkout. That's it, on purpose.
One-time$79 onceB2B Next.js starter with SAML SSO, audit logs and seat billing
One-time$399 once
SvelteKit & Astro
Lighter starters on SvelteKit and Astro, often paired with Supabase, Turso or Cloudflare for cheap hosting.
SvelteKit, Turso and Polar for edge-hosted subscription apps
Subscription$15/moAstro with Svelte islands on Cloudflare Workers and D1
One-time$119 onceAstro starter for developer-tool SaaS: docs, changelog, pricing, API keys
Open sourceFreeAstro marketing site and SvelteKit app, one repo, one design system
One-time$99 once
Rails & Phoenix
Server-rendered kits on Rails 8 with Hotwire and on Phoenix LiveView. Fewer moving parts, one deploy.
Quillon
NewOpen-source Phoenix starter built on the Ash framework
Open sourceFreeRails backend with an Inertia and React front end, no separate API
One-time$179 oncePhoenix LiveView SaaS starter with Oban jobs and Stripe billing
One-time$199 onceA plain, open-source Rails 8 starter you can read in an hour
Open sourceFree
Python & Django
Django, FastAPI and Flask starters with Celery jobs, HTMX front ends and multi-tenant options.
Fieldnote
NewSchema-per-tenant Django kit for B2B products with strict data isolation
One-time$349 onceDjango and Wagtail starter for paid newsletters, courses and memberships
One-time$159 onceFlask and HTMX SaaS starter for small, single-purpose products
One-time$69 onceFastAPI and Next.js full-stack starter with async SQLModel
Open sourceFree
Index
Every category
7 sections, 48 starters.
- 01Next.js & RemixReact-based starters on Next.js App Router or Remix, from minimal landing-plus-checkout kits to B2B setups with SSO.9 starters
- 02SvelteKit & AstroLighter starters on SvelteKit and Astro, often paired with Supabase, Turso or Cloudflare for cheap hosting.7 starters
- 03Rails & PhoenixServer-rendered kits on Rails 8 with Hotwire and on Phoenix LiveView. Fewer moving parts, one deploy.6 starters
- 04Python & DjangoDjango, FastAPI and Flask starters with Celery jobs, HTMX front ends and multi-tenant options.7 starters
- 05PHP & LaravelLaravel kits with Livewire, Inertia or Filament admin, plus one Symfony option. Cashier handles Stripe and Paddle.6 starters
- 06MobileExpo, React Native and Flutter starters with in-app purchases, push notifications and a shared backend.6 starters
- 07AI appsStarters for chat, RAG, agents and image generation, with credits, metered billing and provider switching.7 starters
Built a starter kit? Get it in front of builders
Submit your boilerplate for a free, hands-on review. We install it, deploy it and write a listing that tells people exactly who it's for.
Free to submit. Reviewed within two weeks.