# Microsoft Orleans

5 Hacker News commenters recommended Microsoft Orleans and 2 criticized it, November 2025 to November 2026. It was recommended in 4 of 13 months.

**Verdict:** A mature .NET framework for distributed actors, praised for its ecosystem and distributed dictionary types. Critics warn its automatic state restoration can cause crashes.

## Why people recommend it

- Mature project with strong ecosystem (2 comments): "great ecosystem (orleans, ef core, aspire, asp.net core, blazor, signalr, etc)" ([source](https://news.ycombinator.com/item?id=46542702)) "The project has matured nicely over the years" ([source](https://news.ycombinator.com/item?id=46852866))
- Distributed dictionary types for architecture (1 comments): "The optimal architecture is something like what Service Fabric or Orleans can do with their distributed dictionary types" ([source](https://news.ycombinator.com/item?id=48419589))

## What people warn about

- Auto state restoration can cause crashes (1 comments): "I think their failure handling with auto state restoration is a mistake, recreating an actor with bad state is a recipe for crashes." ([source](https://news.ycombinator.com/item?id=50057158))
- Adds complexity to setup (1 comments): "It just adds complexity to this setup." ([source](https://news.ycombinator.com/item?id=46316613))
- Library approach weaker than language-based (1 comments): "thought the language based approach was nicer than a library based solution like Orleans" ([source](https://news.ycombinator.com/item?id=46853276))

## Alternatives hackers recommend

- [Tokio](https://hackerapproved.com/p/tokio.md): 57 recommend
- [Akka](https://hackerapproved.com/p/akka.md): 12 recommend
- [ZIO](https://hackerapproved.com/p/zio.md): 11 recommend
- [Trio Python library](https://hackerapproved.com/p/trio.md): 10 recommend
- [core.async](https://hackerapproved.com/p/core-async.md): 9 recommend

## Cite as

Hacker Approved, "Microsoft Orleans", https://hackerapproved.com/p/microsoft-orleans/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).