Uxxu is a collaborative software architecture platform built around the C4 model. It helps engineering teams design, document, and evolve complex systems through connected diagrams, dependency intelligence, technology lifecycle management, analytics, and real-time collaboration.
Most architecture tools can help a team draw something. The real challenge comes later: keeping multiple diagrams aligned, making it clear which systems and containers belong together, tracking the technologies used across the architecture, and preserving enough structure that the diagrams stay useful to people who were not in the room when they were created. The features on this page are designed around that long-term problem rather than the short-term act of drawing.
That is why Uxxu combines C4-oriented modeling, hierarchy, analytics, dependency visibility, technology lifecycle tracking, and increasingly LLM-oriented workflows. Each feature matters on its own, but the main value comes from the fact that they operate on the same shared architecture model. Teams do not just produce a diagram. They produce a connected description of the system that can be explored, reviewed, and evolved over time.
If you are evaluating architecture tools, this is the lens we recommend using: not just whether a tool can create a good-looking diagram, but whether it can help the team maintain architectural understanding as the software, dependencies, and organization change.
See how Uxxu differs from popular architecture and diagramming tools.
Why teams get lost in diagram rabbit holes and how structured diagram maps create clarity.
Why software architecture needs more than collaborative diagramming to stay useful over time.
From static diagrams to living architecture documentation powered by the C4 model.
From complex DSL syntax to a navigable, living architecture platform.