When comparing Yae vs Nez, the Slant community recommends Nez for most people. In the question“What are the best 2D game engines?” Nez is ranked 89th while Yae is ranked 106th. The most important reason people chose Nez is:
The community is very active, so if you ask for help you'll get it relatively quickly.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro IDE
Ships with easy to use IDE created only for development in it

Pro Frequent updates
Updated weekly

Pro Cross-platform
Supports all major platforms
- Windows
- Mac
- Linux
- Android
- iOS

Pro Multiple languages support
Supports writing games in both Lua and JavaScript and for advanced users it´s plugin system also supports Java.
Pro Active community
The community is very active, so if you ask for help you'll get it relatively quickly.
Pro Open source
Completely free, no need to pay for licenses.
Pro Cross-platform development thanks to the use of mono and xamarin
Nez is built on top of monoGame and can be used the make games for many platforms (Windows, Linux, Mac, Android or IOS).
Cons
Con Lone developer

Con In early development
Do not have as much features as other listed engines.
Con Just a framework
Meaning there's no visual scene designer so you'll have to write your own.
