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Informal Systems

Informal Systems is a remote-first company builder and incubator focused on fostering trust in software and money. It stewards and supports Quint, an executable-specification tool for verifying software behavior, and Cycles, infrastructure for multilateral financial clearing.
Distributed

Informalsystems


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Description


Cycles


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Description

Cycles is the Open Clearing Protocol. It extends debt-clearing capabilities beyond traditional closed bank clearing clubs, allowing people to clear debts privately and securely with forms of currency or credit that suit them.

Category: Payments Infrastructure

Quint


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Description

Quint provides an open-source typed executable specification language and core tooling for describing system behavior, checking properties, exploring behaviors, and model-based testing. Its offering also includes Quint Studio, which carries executable system descriptions from design validation into testing and production mismatch detection, aimed at correctness-critical distributed, AI infrastructure, blockchain/fintech, and cloud systems.

Category: Developer Tooling