SaaS stacks
Mastra vs LangChain vs LlamaIndex: TypeScript AI Agents (2026)
Mastra, LangChain.js, and LlamaIndex.TS for building AI agents in TypeScript, 2026: stars, license, which is still maintained, and how to choose.
7 min read58
The Gallery
Curator notes on stacks worth shipping — picked, tested, documented.
40 posts
SaaS stacks
Inngest vs Trigger.dev vs BullMQ: Next.js Background Jobs (2026)
Inngest, Trigger.dev, and BullMQ for Next.js background jobs in 2026: where each runs, real pricing, honest 'where it loses', and how to pick.
7 min read63
SaaS stacks
Google Analytics alternatives: PostHog vs Plausible vs Umami (2026)
The three best open-source Google Analytics alternatives in 2026, compared by license, self-host cost, and deploy path.
8 min read70
SaaS stacks
Convex vs Supabase vs Firebase: the Next.js backend call (2026)
Convex, Supabase, and Firebase are three different bets on your data model and how much you own. A sourced 2026 comparison of free tiers, real costs, lock-in, and which backend fits your Next.js build.
7 min read75
SaaS stacks
UploadThing vs Amazon S3 vs Cloudflare R2: File Uploads for a Next.js SaaS (2026)
UploadThing, Amazon S3, and Cloudflare R2 compared for Next.js file uploads in 2026: the egress-driven cost math, the DX tradeoffs, and which one to pick.
6 min read65
SaaS stacks
Payload vs Sanity vs Contentful: the headless CMS call for a Next.js SaaS (2026)
Payload, Sanity, and Contentful all run a Next.js SaaS, but they own very different amounts of your content backend. A 2026 decision guide on license, cost, and lock-in.
7 min read56
SaaS stacks
Vercel vs Railway vs Render: Deploy Next.js in 2026
Vercel, Railway, and Render all deploy Next.js, but they own different amounts of your backend. A 2026 decision guide with real costs, free-tier traps, and a self-host escape hatch.
11 min read72
SaaS stacks
Resend vs SendGrid vs Postmark vs Amazon SES: transactional email for a Next.js SaaS (2026)
Resend, SendGrid, Postmark and Amazon SES compared on real 2026 pricing, free tiers, deliverability, and the open-source react-email layer, with a decision guide for Next.js SaaS builders.
6 min read40
SaaS stacks
Lemon Squeezy vs Stripe in 2026: Picking a Merchant of Record for Your Next.js SaaS
Stripe acquired Lemon Squeezy and now sells its own merchant of record, so the real 2026 question is whether you rent that role to Paddle, Polar, or Stripe, or stay a raw Stripe processor. Real fees, honest tradeoffs, and which your Next.js SaaS should pick.
9 min read213
SaaS stacks
Neon vs Supabase for a Next.js SaaS in 2026: database, or backend-in-a-box?
Neon or Supabase for your Next.js SaaS starter in 2026? A curator's honest, source-checked head-to-head: it is not two databases, it is a database vs a whole backend. Branching, scale-to-zero, the pricing that changed, and where each one loses.
11 min read92
SaaS stacks
Drizzle vs Prisma for a Next.js SaaS in 2026: an honest, hands-on pick
Drizzle or Prisma for your Next.js SaaS starter in 2026? A curator's honest, source-checked head-to-head: bundle size, serverless, the Prisma 7 Rust-free rewrite, migrations, and where each one loses.
9 min read553
SaaS stacks
Better Auth vs Clerk vs Auth.js: Next.js Auth in 2026
Better Auth vs Clerk vs Auth.js vs Supabase Auth for a Next.js SaaS in 2026: verified pricing, self-hosted versus managed, AI-agent auth, and when each one wins.
9 min read1505