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https://hackr.io/tutorials/learn-unity provides the best Unity courses recommended by the programming community.
Good voxel editor, but the interface is not modern-like and the @ Ephtracy on the title makes it look not professional.
ProHas isometric view mode
Looks really good
LibGDX is a very powerful engine you can use for creating nice 2D games or even ones with some basic 3D, the community is very active and then the engine has a lot of tools like Box2D, Scene2D, etc... to make the development easier and cleaner. It also supports lot of tools like Tiled for map editing...
ProSupport for 3rd party tools
ProFocusing on object pool patterns, to control memory without pointers
ProExcellent font rendering support
ProSimilar to the Microsoft XNA framework
ProLots of tutorials to get you going
ProAcross platform support
ProDoesn't force a specific design
ProCan use any JVM language
ProVery easy to customize
ProInterfacing with platform specific code
ProFree, open source & permissive license
ProActive and helpful community
ProAllows you to migrate from 2D to 3D within same framework
ProLots of resources to learn from
ProGreat performance across devices
ConA bit difficult to use
Powerful And Easy
Very, very, very easy to use. A newbie could pick up on it in 10min.
ProMobile native performance
MMO and indie developer, worked on five games, own my own game development company utilizing multiple game engines
ProReal time development- No nightly builds
ProVersoning control included in both HeroEngine and HeroBlade
ProVery active community and support groups
ProHighly optimized asset export plugins included
ProServer and Networking built in
ProStreamlines MMO development
ProEngine developer support
As of writing this Godot 3.0 (The first version supporting C# , VisualScript, etc,) is still in alpha 2. So that means that the documentation is not ideal and not as simplified as some people would like it (Let alone the massive lack of video-tutorials).
ProLightweight, yet powerful
ProUses independant 2D and 3D Engines
ConLack of Tutorials
ConIf it's not 3.0 - don't count me in
great ios & android app submission & review site. recommend to all developers