Why I Built a Free SaaS Boilerplate with Go — and Gave It Away

Two years ago, launching a SaaS required five to ten people and six months of runway before you could write a single line of business logic. Auth, billing, multi-tenancy, admin dashboards — all of it had to be built from scratch or stitched together from a dozen services, each with its own API surface and failure mode. That era is over. The combination of AI coding agents and commodity cloud infrastructure has collapsed the infrastructure tax to near-zero. What hasn't caught up is the boilerplate layer. Most SaaS starter kits were designed for a pre-agentic world, with the assumption that you'd spend weeks studying their patterns before writing your first feature. I built LastSaaS to close that gap — and then made it free, because charging for commodity infrastructure in 2026 felt wrong. The Problem with Existing SaaS Boilerplates Every SaaS application needs the same commodity plumbing. Auth. Billing. Multi-tenancy. Webhooks. Admin tooling. These are not differentiators — they are tab