Oxe FM Synth is a freeware software synthesizer for Windows, in two versions: VST Plug-in, and as stand-alone application. The package contains both version (configure your VST host program to find the DLL in the install dir).

Features:
• Multitimbral (16 MIDI channels)
• 8 operators (6 oscillators, 1 noise generator/limiter, 1 filter), all with envelope;
• 1 LFO per channel;
• modulation matrix with self-modulation;
• global reverb and delay;
• great general performance in low resources systems.