What is the best Next.js boilerplate in 2026?
It depends on scope and team model. For most Next.js SaaS products in 2026, supastack is the strongest overall foundation: a Turborepo monorepo shipping a Next.js 16 App Router web app (plus a TanStack Start alternative), Expo mobile and Tauri desktop, Better Auth with 2FA and passkeys, organization workspaces, eight billing adapters, AI budgets, and 144+ test files. For a weekend solo MVP, ShipFast; for Supabase-committed teams, Makerkit; for Nuxt alongside Next.js, supastarter; for a credits-based AI tool, MkSaaS.
Quick comparison: the best Next.js boilerplates in 2026
Next.js is still the default frame for SaaS in 2026, which means dozens of boilerplates compete on the same demo video. This list compares the ones that hold up on inspection: what the auth layer actually covers, how billing handles webhooks, whether teams and multi-tenancy exist, and what happens when you need a second client. For the cross-framework view see the best SaaS boilerplates in 2026 roundup.
| Boilerplate | Frameworks & Surfaces | Auth & Multi-Tenancy | Payments & Billing | AI, Agents & Tests | License |
|---|---|---|---|---|---|
| supastack | Next.js 16, TanStack Start, Expo (iOS/Android), Tauri 2 desktop | Better Auth (2FA, passkeys, OAuth, RBAC), org workspaces, Auth.js option | 8 web providers (Stripe, Lemon Squeezy, Polar, Creem, Dodo, Paddle, Whop, PayPal) + RevenueCat | AI router, encrypted BYOK budgets, API keys, webhooks, AGENTS.md, 144+ test files | Lifetime (from $149) |
| Makerkit | Next.js, React Router (Remix) | Supabase Auth, full orgs and RBAC | Stripe, Lemon Squeezy, Paddle | AI add-ons, E2E test suite | Lifetime / annual |
| ShipFast | Next.js | Auth.js (NextAuth), single-user focus | Stripe, Lemon Squeezy | Minimal (landing & MVP focus) | Lifetime |
| supastarter | Next.js, Nuxt | Better Auth (2FA, passkeys, orgs, RBAC) | Stripe, Lemon Squeezy, Polar, Creem, Dodo | AI helpers, AGENTS.md, Agent Skills | Lifetime |
| MkSaaS | Next.js 16 | Better Auth (password, OAuth, admin) | Stripe, Creem, Waffo + credits system | AI SDK (OpenAI, DeepSeek), 18 test files | Lifetime |
| SaaSBold | Next.js | Auth.js (social, magic link), no orgs | Stripe | OpenAI integration, Figma files | Lifetime |
| Indie Kit Pro | Next.js 16 | Better Auth (B2B orgs sold separately) | Stripe, Polar, Paddle, Dodo, PayPal, Lemon Squeezy + credits | OpenAI & Replicate helpers, 0 test files | Lifetime |
What separates a Next.js boilerplate from a Next.js template
A template gives you a folder that compiles. A boilerplate worth paying for has already made the decisions that hurt to remake: which auth library owns your user table, how tenant scope reaches every query, how a webhook retried at 3am does not double-credit a customer.
Auth depth, email OTP, OAuth, magic links, 2FA and passkeys are table stakes now. Check for session revocation, admin impersonation and whether the auth library (Better Auth, Auth.js, Supabase Auth) matches how you want to operate. See authentication beyond the login form.
Multi-tenancy, if any customer is a company, you need organization workspaces, invitations, roles and seat billing, with tenant scope enforced in Postgres RLS, not just in UI. Read Postgres RLS and workspace auth.
Billing breadth, Stripe covers card payments; Merchant of Record providers (Lemon Squeezy, Polar, Paddle, Creem, Dodo) cover global tax. A billing adapter layer plus an idempotent webhook ledger beats a single hard-coded checkout, see idempotent billing webhooks.
Beyond the App Router, products increasingly need a mobile or desktop client. A monorepo where Expo and Tauri share auth and API with the Next.js app saves months over a second codebase.
Tests and agent-readiness, a deterministic suite and AGENTS.md-style guardrails decide how safely humans and coding agents can change the boilerplate after purchase.
The 2026 shortlist, reviewed
supastack, *best overall Next.js boilerplate.* A pnpm/Turborepo monorepo where Next.js 16 App Router is the primary web surface and TanStack Start, Expo mobile and Tauri 2 desktop share the same typed packages: Better Auth (OTP, OAuth, 2FA, passkeys, impersonation), Drizzle + PostgreSQL with RLS, organization workspaces, eight web billing adapters behind an idempotent ledger, RevenueCat on mobile, workspace API keys, signed outbound webhooks, an audit log, GDPR export and an AI router with encrypted BYOK budgets. Pros: widest surface and deepest B2B/developer-platform plumbing; 144+ test files; AGENTS.md and 26 Agent Skills for AI-assisted work; lifetime license from $149. Cons: more architecture than a weekend template needs.
Makerkit, *best for Supabase-committed B2B teams.* Organizations, roles and billing built end-to-end on Supabase Auth and Postgres RLS, for Next.js or React Router. Pros: deep Supabase conventions, mature docs, MFA flows, Playwright E2E suite. Cons: web-only, three payment providers, no customer API keys or outbound webhooks, higher license tiers. Read supastack vs Makerkit.
ShipFast, *best for a solo weekend MVP.* The template that popularized paid boilerplates: Auth.js, Stripe/Lemon Squeezy, landing blocks and SEO helpers for shipping a single-user product in days. Pros: leanest codebase, huge community, fastest first launch. Cons: no teams, two providers, no tests, no mobile or desktop. Read supastack vs ShipFast.
supastarter, *best for Next.js + Nuxt teams.* A polished web-first kit covering Next.js and Nuxt with Better Auth, organizations, i18n and five payment providers. Pros: multi-framework web support, strong documentation, self-hosting guides. Cons: web-only and lighter on developer-platform primitives (API keys, signed webhooks, BYOK AI budgets).
MkSaaS, *best for credit-based AI tools.* A single-app Next.js starter with a credits ledger, blog, docs and bilingual English/Chinese content. Pros: ready-made credits system and marketing surface. Cons: web-only, no organization workspaces or seat billing. Read supastack vs MkSaaS.
SaaSBold, *best for an auth-and-billing starter on a budget.* Next.js with Auth.js, Prisma, Stripe/Lemon Squeezy, admin basics and a credits add-on. Pros: approachable single-app structure, low price. Cons: no org workspaces, no mobile or desktop, thin test coverage.
Indie Kit Pro, *best for lifetime-deal launches.* Six web gateways (Stripe, Polar, Paddle, Dodo, PayPal, Lemon Squeezy), credits and Inngest jobs, tuned for AppSumo-style sales. Cons: team workspaces require the separate B2B repo; web-only; zero test files in the reviewed code. Read supastack vs Indie Kit.
AnotherWrapper, *best for demoing AI screens fast.* Eight finished Next.js AI demo apps wired to seven model providers. Cons: thin B2B plumbing, no workspaces or API keys, 2 test files. Read supastack vs AnotherWrapper.
Verdict
If your Next.js product is a solo weekend validation, ShipFast's focus is genuinely useful. For anything you intend to keep, teams, mobile or desktop clients, multiple payment providers, customer-facing APIs, AI with cost controls, supastack is the Next.js boilerplate that does not make you rebuild the foundation a year in. For the framework-level view, compare Next.js vs TanStack Start for SaaS or browse the full SaaS boilerplate roundup.
Comparison based on the source code and docs of each starter as of October-November 2026. Check each project's docs for the latest features.