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Happy New Year 2019! Over the holidays I got back into my hobby projects and put something together that others may find useful.Yesterday, I made it available for the public under the pay-what-you-want-or-free model.
I love Unity but working with the built-in sprite and animation editors has long been an annoyance for me. So, I took what I consider to be the best 2D sprite authoring tool (Aseprite) and created a scripted importer for it....

Tiled2Unity is dead. Long live SuperTiled2Unity.
Since May of 2014, Tiled2Unity has been a popular piece of software, mostly due to Tiled Map Editor being an essential 2D authoring tool and because Unity has been slow to support tile-based assets.
However, in the past year I’ve accumulated significant fatigue with further Tiled2Unity development due to these factors:...

This is an update I’ve been waiting awhile for. Recently, Tiled has been updated with better support for Object Types.
The new Object Types Editor in Tiled allows you create type templates with default properties. With Tiled2Unity 1.0.5.0 these types can automatically be broken up into distinct collision “layers”. Default properties can also be passed on to custom importers...

I’ve said this before but I think the single best feature in Tiled2Unity is the PolygonCollider2D instances that are created from Tiled layers, where the colliders on each tile are merged into one big polygon. Concave edges? Holes? Not a problem.
In this scene from Wonder Boy in Monster World, the room colliders are just one big polygon with concave edges and a hole in the middle. It's a great way to represent the collisions but some code may not work with it....