Charlatan: Free Analog Synth with Pro Features (VST3/CLAP)

Charlatan is a free virtual analog synthesizer that packs professional features into a CPU-friendly package. Compatible with Windows 10+ and Linux (Ubuntu 20.04/Debian Bookworm+), it runs as VST3 or CLAP plugin.
You get dual oscillators with drawable waveforms, four modulation transformers, and premium effects like distortion and reverb. The clean interface keeps things simple for quick production, while deep sound design features await when you’re ready to explore. With up to 7 unison voices per oscillator and flexible filter routing, it delivers serious sound without the price tag.