A: Yes. Aegisub is open-source (GPL license). The templates are also free, created by fans.
Downloading the templates is the first step. Here is a basic guide on how to apply them to your own project. aegisub karaoke effect template download free full
Karaoke templates in Aegisub use the automation engine (often powered by Lua scripting) to transform standard timed text into dynamic animations. A: Yes
What you want to achieve (e.g., neon glow, falling particles, pop-up text) Your current Aegisub version pop-up text) Your current Aegisub version