Flash
Used by 35 peopleen.wikipedia.org ↗

“My mobile apps are developed in Flash, which is now known as "Animate CC".”
Mat Dickie Interview, Game developer · via Uses This 
“For my animation I use Photoshop, After Effects, Flash and sometimes Maya.”
Tooba Rezaei Interview, Visual and animation artist · via Uses This 
“I actually still use Adobe Flash once in a while to bash out quick animations.”
Schuyler Towne Interview, Security anthropologist, research scholar (Ronin Institute) · via Uses This 
“I have a subscription to the cloud for Flash CC these days as well for work.”
Lindsay Small-Butera Interview, Animator, designer, director (Baman Piderman) · via Uses This 

“I also prototype in Flash, which is great for making small games.”
Henry Smith Interview, Indie game developer (Spaceteam) · via Uses This 

“I do less and less with Flash (CS5) these days, but it still comes in handy for all sorts of things - animation, coding and its particular style of vector drawing.”
Meghan Newell Interview, Designer, animator, illustrator · via Uses This 
“I also keep a copy of Adobe Flash CS4 Professional around.”
Andrew Huang Interview, Hardware misfit · via Uses This