You can download PFAssistive Framework 3.9 for Mac from our application library for free. The software relates to Developer Tools.
From the developer:
The PFiddlesoft Frameworks support and enhance Apple's Accessibility and Quartz Event Taps APIs, enabling Cocoa developers to use familiar Objective-C and Swift programming techniques to create assistive applications without having to master the technicalities of Apple’s procedural C Accessibility, Core Foundation, and Core Graphics APIs.
You may want to check out more software for Mac, such as Robot Framework, GPhoto2.framework or Bot Framework Emulator, which might be related to PFAssistive Framework.