Spriter Runtime APIs
SpriterDotNet for Unity
Here is a fully featured Spriter reference implementation created by Spriter community member Loodakrawa.
Officialy Construct 3 Spriter Plugin
Here is the official Spriter plugin for Construct 3.
Official Spriter Plugin for Construct 2
Here is the official Spriter plugin for Construct 2.
Official Spriter API for C++
Here is the official Spriter API For C++
Spriter API for C#
Here is the Spriter API For C# created by Spriter community member Loodakrawa.
Spriter API for Javascript
Here is the Spriter API For Javascript created by Spriter community member isaacburns.
Spriter API for LibGDX
Here is the Spriter API For Java created by Spriter community member TrixtOr.
Spriter plugin for Game Maker Studio
Here is the Spriter plugin For Game Maker Studio created by GradusGL.
Monogame
Here is a fully featured Monogame reference implementation created by Spriter community member Loodakrawa.
Spriter2Unity
Here is a great Unity plug-in (developed by community member Dengar) which allows you to import and convert Spriter animations into native Unity animations.