- Free VST Plugins, 2 - Freeware Plugin Index
- Open-Source Audio Plugins - Open Source Plugin Projects Index
- Surge XT - Hybrid / Subtractive Synth
- Vital or Helm - Wavetable Synth
- Dexed - Yamaha DX7 Emulation
- VCV Rack 2 or Cardinal - Eurorack Simulator
- IEM Plug-in Suite - Open Source
- ChowMultiTool - Open Source
- SPARTA - Open Source
- ZynAddSubFX
- KoanSound - Plugins / Discord
- Producer Arcadia - Plugins / Discord
- GuitarML or TONEX CS - Custom AI Guitar Tones
- Krush - Bitcrusher (Deep Fry) Plugin
- samplv1 - Voice Synth
- /r/SynthRecipes - Synth Request Subreddit
