Help finding sprite animation program for SRB2

found this program on motorroach, anybody know the program?

Sonic Robo Blast 2

ArtStation - Sprite Animations - SRB2

So I was looking at the sprites for the custom character, Shadow, and : r/SRB2

Custom / Edited - Chrono Trigger Customs - Crono (SRB2 Kart) - The Spriters Resource

Prerelease:Sonic Robo Blast 2 - The Cutting Room Floor

Feels the Rabbit hops into SRB2

ArtStation - Sprite Animations - SRB2

SRB2/src/f_finale.c at master · STJr/SRB2 · GitHub

Zettawatt Spritesheet for SRB2Kart by Lunaristhewolf -- Fur Affinity [dot] net

How to download SRB2 for Android

Sprites and sound not showing correctly?

Help Ripping Sprites for srb2

New Project!!!! SRB2 Message Board