# siemens/ros-sharp

ROS# is a set of open source software libraries and tools in C# for communicating with ROS from .NET applications, in particular Unity3D

Repository: https://github.com/siemens/ros-sharp
Canonical: https://ross.abutalabs.com/products/ros-sharp
Language: C#
License: Apache-2.0
License Family: permissive
Last push: 2026-04-28T10:08:51+00:00

## Health v2 (maintenance only)
Score: 75/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 79, release rhythm 56, longevity 100
- inputs: {"age_days": 3273, "days_push": 127, "days_rel": 133, "gap_med": 102, "n_releases_24m": 6}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1193, forks 407 (observed 2026-08-28T04:03:56.606154+00:00)

## What it is
ROS# is a set of open-source C# libraries and tools for communicating with the Robot Operating System (ROS) from .NET applications, most notably Unity3D. It lets developers publish and subscribe to topics, call services and actions, and exchange ROS messages from within the .NET ecosystem.

## Use cases
- connect a Unity3D simulation to a ROS robot
- publish and subscribe to ROS topics from a C# application
- call ROS services and actions from .NET code
- visualize robot sensor data in Unity
- build robotics digital twins with .NET
- bridge ROS messages into a Unity game engine scene

## When to choose
- you are building Unity3D-based robot simulations or visualizations that talk to ROS
- you need ROS connectivity from a .NET or C# application
- you want an open-source, Apache-2.0 licensed ROS bridge for the Microsoft ecosystem

## When to avoid
- your project is purely in Python or C++ and can use native ROS client libraries
- you need a ROS bridge for a non-.NET game engine or platform
- you require real-time hard guarantees that a middleware bridge cannot provide

## Facets
- artifact type: library
- maturity: active
- function: sdk, middleware, websocket, serialization
- domain: robotics, simulation, cross-platform, developer-tools
- platform: cross-platform, game-engine, dotnet, windows
- tags: ros, unity3d, csharp, robotics-communication, topic-subscription, ros-messages, linux, macos

## Member repositories
- siemens/ros-sharp (main) score 75

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:56.606154+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:22:26.324488+00:00, confidence not recorded.
  - readme: https://github.com/siemens/ros-sharp (fetched 2026-08-28T04:03:56.606154+00:00, sha 003f65b43622)
- Data as of 2026-08-30T08:39:29.467469+00:00.