The Solo Founder Tech Stack in 2026: What You Actually Need

In brief: A solo founder's complete tech stack in 2026 costs £80-200/month and covers infrastructure, code, AI, content, analytics, payments, and communication. The core: Next.js on Vercel (frontend), Supabase (database + auth), Cursor (code AI), an AI team workspace like Zerty (strategy + content + analysis), Stripe (payments), and Plausible or PostHog (analytics). Total setup time: one afternoon. Last updated: March 2026

The principle: fewer tools, deeper integration

Every tool you add creates a context boundary. Your analytics doesn't know your content strategy. Your content tool doesn't know your engineering decisions. Your code editor doesn't know your positioning.

The best solo founder stacks minimise the number of tools while maximising the context each tool carries. You want depth over breadth — five tools that know everything about your business rather than fifteen that each know a fragment.

The stack, layer by layer

Infrastructure layer

Vercel (Free-£16/month) — Deploys your Next.js frontend with zero configuration. Preview deployments on every pull request. Edge functions for API routes. The free tier handles most pre-revenue products. You'll upgrade when traffic demands it — a nice problem to have. Supabase (Free-£20/month) — PostgreSQL database, authentication, row-level security, storage, and realtime subscriptions. The free tier gives you two projects, 500MB database, and 50,000 monthly active users. This replaces what used to require separate services for your database, auth provider, and file storage. Cloudflare (Free) — DNS, DDoS protection, and CDN. Register your domain through Cloudflare for simplest DNS management. The free tier is sufficient for years.

Infrastructure total: £0-36/month.

Code layer

Cursor (£16/month) — VS Code fork with AI deeply integrated into the editing experience. Tab completion, inline chat, codebase-aware context. For solo founders writing code daily, the productivity gain over vanilla VS Code is substantial. Claude or GPT-4 as the underlying model, switching between them depending on the task.

Alternatively, Claude Code for terminal-based AI coding, or VS Code with GitHub Copilot (£8/month) if you prefer the standard editor.

Code total: £8-16/month.

AI layer

This is where the stack has changed most dramatically since 2024.

AI team workspace — Zerty (£19-49/month) — Six specialist personas with persistent memory and shared business context. Handles strategy, content writing, analysis, research, and design direction. The workspace brain means every persona knows your product, audience, and constraints permanently. You stop re-explaining your startup to AI.

Why a workspace instead of raw ChatGPT? Because ChatGPT's limitations — no cross-session context, no specialist depth, no shared memory across workstreams — compound painfully for founders working across multiple domains daily.

ChatGPT Plus (£16/month) — Still valuable for quick one-off tasks where persistent context doesn't matter. Image generation, code debugging, rapid research. Complements a workspace rather than competing with it.

AI total: £35-65/month.

Payments layer

Stripe (Transaction fees only, no monthly cost) — Payment processing, subscription management, invoicing, tax calculation. The Stripe CLI and dashboard give you everything from one-time payments to complex subscription tiers. No monthly fee — you pay per transaction.

For UK founders, Stripe handles VAT calculation and reporting automatically. Worth the marginally higher transaction fees compared to alternatives.

Analytics layer

Plausible (£7/month) or PostHog (Free-£36/month) — You need analytics, but you don't need Google Analytics.

Plausible is lightweight, privacy-first, cookie-free, and GDPR-compliant out of the box. It tells you where traffic comes from, which pages perform, and what converts. Nothing more. That's enough for the first year.

PostHog is heavier but more powerful — session recording, feature flags, A/B testing, funnels. The free tier is generous (1 million events/month). Choose PostHog if you need product analytics, Plausible if you just need web analytics.

Analytics total: £0-36/month.

Communication layer

Resend (Free-£16/month) — Transactional and marketing email. Clean API, good deliverability, generous free tier (100 emails/day). Replaces the need for both SendGrid and Mailchimp early on. Cal.com (Free) — Scheduling. Self-hosted option available. Eliminates the back-and-forth of booking meetings.

Communication total: £0-16/month.

Design layer

Figma (Free) — Interface design, prototyping, and (increasingly) AI-assisted layout generation. The free tier supports three projects. Enough for a solo founder.

For quick visual assets — social images, blog headers, simple graphics — your AI workspace's designer persona can specify designs that you execute in Figma, or you can use Midjourney/DALL-E for generation.

Design total: £0.

The complete stack

Under £200/month for a complete, production-grade tech stack that covers infrastructure, code, AI, payments, analytics, email, and design. Two years ago, this would have cost £500-1,000/month minimum, with significantly more setup time.

What's deliberately missing

Slack/Discord for team communication — you're a team of one. Your AI workspace handles the coordination that Slack would handle in a team setting. Adding Slack creates another context silo. Project management tools (Linear, Jira, Notion) — for a solo founder, these add overhead without adding value. A simple markdown file or a single Notion page covers your task tracking. Don't build process infrastructure for a team that doesn't exist yet. CRM — until you have more than 20-30 active customer conversations, a spreadsheet or your email inbox is your CRM. Adding Salesforce or HubSpot before you need them creates busywork. Marketing automation — Resend handles email. Your AI writer handles content. Manual outreach handles the rest. Marketing automation tools are for optimising volume you don't have yet.

The pattern: every tool earns its place by solving a problem you actually have today, not a problem you might have at scale. Add tools when the pain of not having them exceeds the cost of maintaining them.

How to set up in one afternoon

Hour 1: Create accounts — Vercel, Supabase, Cloudflare, Stripe. Connect your domain through Cloudflare. Create your Next.js project and deploy to Vercel. Hour 2: Set up Supabase — create your database tables, configure auth (magic link is simplest), enable row-level security. Connect Stripe and create your first product/price. Hour 3: Set up your AI workspace. Write your business context document — what you're building, for whom, competitive landscape, brand voice, tech stack. This document feeds every AI interaction going forward. The business context is the highest-leverage setup step. Hour 4: Install analytics (one script tag), set up Resend (verify your domain), and create your Cal.com booking page.

You now have a production-grade stack. Start building.

Start with Zerty for the AI layer →

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Frequently asked questions

What's the cheapest possible solo founder tech stack? Using only free tiers: Vercel (free), Supabase (free), Cloudflare (free), GitHub Copilot (free tier), ChatGPT (free), Stripe (tx fees only), Plausible (free trial) or PostHog (free), Resend (free), Figma (free). Total: £0/month plus Stripe transaction fees. The quality ceiling is lower without paid AI tools, but it's viable for validation. Should I use Next.js or something else? Next.js with the App Router is the default for good reason — server components, API routes, excellent Vercel integration, massive ecosystem. Alternatives: Remix if you prefer its data loading patterns, SvelteKit if you prefer Svelte's syntax, Nuxt if you're in the Vue ecosystem. For solo founders, the best framework is the one you're fastest in. Do I really need a separate AI workspace if I have Cursor? Yes. Cursor is for code — it understands your codebase and helps you write and debug. An AI workspace is for everything else: strategy, content, analysis, research, design direction. These are different tools for different functions, and trying to use Cursor for content strategy or ChatGPT for codebase-aware engineering produces worse results than using the right tool for each. When should I upgrade from free tiers? When you hit limits that affect your users. Supabase free tier limits (500MB database, 50K MAU) are generous — most products don't hit them for months. Vercel's free tier handles significant traffic. Upgrade when the constraints become bottlenecks, not preemptively. What about mobile apps — does this stack work? For web apps and PWAs, yes. For native iOS/Android, add React Native or Expo to the stack. The backend (Supabase, Stripe, AI workspace) remains the same. The additional cost is mainly your time learning the mobile framework.

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Sources

• Vercel, "Pricing" — https://vercel.com/pricing
• Supabase, "Pricing" — https://supabase.com/pricing