When comparing N2O vs Rocket, the Slant community recommends Rocket for most people. In the question“What are the best backend web frameworks?” Rocket is ranked 14th while N2O is ranked 29th. The most important reason people chose Rocket is:
Rocket makes extensive use of Rust's code generation tools to provide a clean API.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Fast binary data
Pro Binary encoding and protocols
Here is a list of types of endpoints which are supported by EMQ and accesible to N2O apps: WebSockets, MQTT, MQTT-SN, TCP, UDP, CoAP. Normal use of N2O as a Web Framework or a Web Application Server is through WebSockets, but for IoT and MQTT applications it could be served through UDP or SCTP protocols providing application level message delivery consistency.
Pro Easy To Use
Rocket makes extensive use of Rust's code generation tools to provide a clean API.
Pro Streams
Rocket streams all incoming and outgoing data, so size isn't a concern.
Pro Cookies
View, add, or remove cookies, with or without encryption, without hassle.
Pro Testing Library
Unit test your applications with ease using the built-in testing library.
Pro Extensible
Easily create your own primitives that any Rocket application can use.
Pro Templating
Rocket makes rendering templates a breeze with built-in templating support.
Pro Query Strings
Handling query strings and parameters is type-safe and easy in Rocket.
Pro Type Safe
From request to response Rocket ensures that your types mean something.
Pro Boilerplate Free
Spend your time writing code that really matters, and let Rocket generate the rest.
Pro Config Environments
Configure your application your way for development, staging, and production.
Cons
Con Unfriendly developer community
Developers are often rude and unfriendly to users.
Con Bad documentation
It has bad documentation, which leaves out crucial steps, making it hard to learn.
Con Abandoned
Con Nightly
Uses only nightly versions of Rust.