MULTI-STACK A software team that ships things that last

Secure, performant, crafted software.

We build software the way it should be built: secure by default, fast by design, and correct over convenient. We use AI to move fast — but a human is always in the loop, deciding. No shortcuts, no AI slop.

Get in touch What we do AI-accelerated · human-decided

What we stand for

Built with craft and care.

Our stack changes with the job. Our standards don't. Three things hold across everything we build.

Done right

Quality and accuracy over shortcuts. We'd rather build it properly once than patch it forever. Engineering, not guesswork.

Secure & performant

Security-forward by default and fast by design — not bolted on at the end. The hard guarantees are baked in from the first line.

AI, used well

We use AI — and we know how to use it. It accelerates the work; the human is the real power and makes the calls. People decide, AI assists.

Technologies

One team, many stacks.

We pick the right tool for the job. Rust is a strength — but we're fluent across the modern stack, from systems code to product web apps. Here are some of the tools we use.

Services

Custom software, built to your problem.

Hire the team to design and build software that's secure, fast, and made to last — across whatever stack fits the job.

Systems & backend engineering

High-performance services, APIs, CLIs, and secure protocols — the load-bearing software your product runs on.

  • APIs
  • Backends
  • CLIs
  • Protocols

Secure, performant software

Security-forward, accuracy-first delivery — quality over shortcuts, verified rather than assumed.

  • Security
  • Performance
  • Accuracy

Web & product development

Full applications across modern stacks — from the database to a polished interface people actually enjoy using.

  • Web apps
  • SaaS
  • Interfaces

AI-assisted delivery, human-led

We put AI to work to move faster — with people reviewing and deciding every step. Speed without the slop.

  • Human-in-the-loop
  • Faster delivery

What we build

Products we're bringing to life.

Some free under license, some subscription-based. Each one gets its own home as it ships — this is where they'll live.

polywell Live

Secure-by-default transport for Rust — authenticated, forward-secret QUIC addressed by public key.
plasmoid Live

Docs you own — Markdown in, fast static HTML out. Multilingual, versioned, no Node.
More on the way Coming soon

More products are in the works — each gets its own home as it ships.

Who we are

A small team that cares about its software.

We're engineers who like building things properly. We ship two kinds of work: products people can use — some free under license, others subscription-based — and custom software built for the clients who hire us.

Both are closed source — and that's on purpose.

Why closed source? Not because we're against open source — we believe in it. It's that the classic open-source model is hard for a small team to run well, and we'd rather pour that energy into quality and security than into managing it. So the source stays closed, and we stand behind every line we ship. Our team, though, stays open — we're always glad to meet people who want to build with us.

Let's talk

Got something worth building?

Tell us what you're working on. Whether it's a product, a platform, or a problem you can't crack — we'd like to hear about it.

Contact us Join the team

Clients with a problem to solve, or developers who want to build with us — either way, say hello.