AXP SoftAmp GT is a free virtual guitar amplifier plugin designed to emulate the sound of analog solid-state gear. Based on the search results, Key Features of AXP SoftAmp GT
Analog Emulation: It simulates a solid-state circuit, focusing on the saturation characteristics of operational amplifiers (op-amps).
Speaker Cabinet Modeling: The plugin features a built-in speaker simulation that uses steep low-pass filters to replicate speaker characteristics and microphone positioning.
Solid State Tone: It is designed to model a “well-known” analog stompbox-style simulator, offering a different sound from typical tube-based modeling. Format: It is available as a VST plugin for Windows.
AXP SoftAmp Series OptionsAXP has created other amp simulations in the same series, including: SoftAmp FM25: A simulation of the Fender Frontman 25R.
SoftAmp PSA: A modeling plugin often used for varied overdriven sounds. Usage Guide
Controls: The user interface generally mimics the original hardware, allowing control over Gain, EQ, and Volume, plus specific VST controls like stereo mode and high-quality processing.
Best Used For: Clean, slightly driven, or heavily saturated solid-state tones. Where to Download
The plugin was released via Rekkerd and is listed on KVR Audio.
I can also compare this to other free amp sims if you’re looking for a specific overdriven sound.