While modern animators use Toon Boom or Adobe Animate, Flash 8 + VCam is the only way to replicate the specific framerate jitter, brush texture, and vector look of Newgrounds classics ( Metalocalypse , Happy Tree Friends ).
Disclaimer: Macromedia Flash 8 is discontinued software. Downloading it requires a valid license or proof of ownership. The vCam is freeware/abandonware shared under fair use for archival and educational purposes. macromedia flash 8 vcam download top
Most digital artists relying on a will run it through a virtual machine (such as Windows XP or Windows 7), or use compatibility mode to prevent crashing. While modern animators use Toon Boom or Adobe