Deep Glow is a for Adobe After Effects developed by Plugin Everything, typically priced around $99.95 for the current version (Deep Glow 2). While a "completely free" full version is not officially offered by the developers, you can access a free trial to test its features. Official Trial & Purchase
There’s no legal free version of Deep Glow (Plugin Everything). But you don't need to pirate it. Here's a native AE stack that works better for most projects: deep glow after effects plugin free
However, if you are searching for a "Deep Glow free download," you should proceed with caution. Downloading cracked plugins from third-party sites is a quick way to infect your computer with malware or constantly crash After Effects. Deep Glow is a for Adobe After Effects
Standard glow effects calculate brightness based on a simple box blur, which creates a muddy, artificial look. Deep Glow simulates real-world optical physics. But you don't need to pirate it