TwelveVoltsCo
Premium SaaS Starters

Clean, deployable
app starters

Opinionated SaaS starters built for developers — modern stack, clear README, and a deployable baseline you can extend.

Stack focus: Next.js 16 · React 19 · Tailwind 4 · Node 20.x

Available Now

Modern stack, clear documentation, and a deployable baseline you can extend immediately.

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DraftLetter

AI newsletter generator starter. Generates structured newsletter drafts (subject, preheader, sections, CTA) from guided inputs. Clean Next.js codebase ready to customize and deploy. Three export formats included.

DraftLetter is currently offered at launch pricing for early buyers. As the product matures the price will be in line with the value of building and documenting a similar tool from scratch.

Next.js 16 + React 19 + TypeScript
Tailwind 4 + Shadcn UI components
Auth ready (Clerk/NextAuth)
Stripe billing integration
Starting at
£295
View on Payhip
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BriefGrid

AI briefing workflow starter that converts messy meeting notes and call transcripts into structured, consistent briefings. BriefGrid is not another AI wrapper around a chat box. Config-driven schemas enforce your house style and output JSON for automation.

Next.js 16 + TypeScript + OpenAI SDK
4 predefined briefing schemas (JSON config)
House-style rules enforcement
Single API route, JSON output
Early adopter price
£495
View on Payhip

More Starters Launching Soon

Additional production-ready starters in active development. New releases weekly.

Get notified about new releases

Product Tiers and Typical Budgets

TIER 1 – STARTER TOOLS
£300-£500

Ready-made internal tools like DraftLetter and BriefGrid, sold as starters with full source code.

Typical starter pricing:
Current launch band: £300–£500 per starter.
Example: DraftLetter – £295, BriefGrid – £445

These are designed to be deployable and extensible in minutes, rather than starting from a blank repo.

  • Complete source code
  • Deployment documentation
  • Auth & billing placeholders
TIER 2 – CUSTOMISED INTERNAL TOOLS
£995–£1,995

From £995–£1,995 depending on scope and integrations.

These are usually built for a single company or small group of related clients.

  • Everything in Tier 1
  • Full auth integration
  • Complete billing setup
  • Database schema & migrations
TIER 3 – BESPOKE PRODUCTS / IP
£5k-25k

Larger, one-off B2B products with complex workflows, compliance requirements, and long-term ownership/operation by a single organisation. Scope determines pricing within range, integrations, and handover requirements.

  • Everything in Tier 2
  • Custom feature development
  • White-label branding
  • 90-day support & updates

Enterprise engagements and ongoing partnerships available – contact for discussion.

Built for Developers

Every starter is production-tested and ready to scale.

Clean Code

Well-structured, documented, and ready to extend. No technical debt.

Deploy Fast

From download to production in minutes. Vercel, Railway, or your preferred host.

Production Ready

Battle-tested patterns. Security best practices. Built to scale.