Real-Serious-Games/C-Sharp-Promise

Health v2 · maintenance only

Adoption not part of the score

1238 stars · 150 forks observed · 2026-09-26

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A Promises/A+ compliant promises library for C# for managing asynchronous operations, inspired by JavaScript promises. It is widely used for game development on Unity3d and is available as the RSG.Promise NuGet package.

Use cases

• manage asynchronous operations in C# with promises
• chain async operations in Unity3d games
• avoid callback hell in C# async code
• combine multiple async operations with Promise.All
• report progress of long-running async tasks in Unity
• handle async errors with catch and finally in C#

When to choose

• you are building games or simulations in Unity3d and want JavaScript-style promises
• you need a Promises/A+ compliant async workflow library for C#
• you want promise chaining, progress reporting, and Promise.All combinators in .NET

When to avoid

• you are on modern .NET and prefer built-in async/await with Task and TaskCompletionSource
• you need a library with frequent updates and active maintenance
• you need cancellation-first async patterns rather than promise semantics

Facets

library · maturity maintenance

concurrency developer-tools developer-tools cross-platform cross-platform game-engine dotnet promises async csharp unity3d promises-a-plus promise-chaining game-development

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