Forty years of systems
Tandem NonStop, payment switches, transaction processing at national scale — then LLMs, agents, and the modern stack. The hard-won kind of experience.
Mainsail Labs is the studio behind the Mainsail platform — now part of Zality Labs. AI systems built by an engineer who spent forty years keeping fault-tolerant systems alive, from payment networks to the modern cloud.
Tandem NonStop, payment switches, transaction processing at national scale — then LLMs, agents, and the modern stack. The hard-won kind of experience.
Vision backed by engineering. Every product here has a real architecture under the story, not hand-waving.
Mainsail, Sunrise, NX, Qnix — different products, same bar: it has to actually work.
Mainsail Labs is the maker of the Mainsail platform, now operating under Zality Labs. Products change. The standard doesn't.