BEST FREE OPEN SOURCE PLUGINS
2025
The best free open source VST plugins. Community-developed audio tools you can modify and share.
Looking for the best free open-source plugins in 2025? Our community has voted, and these are the top picks. Whether you're a beginner producer or a seasoned professional, these free open-source VST plugins, AU plugins, and AAX plugins will elevate your music production without costing a dime.
- #1
Surge XT
by Surge Synth Team
A powerful open-source hybrid synthesizer with wavetable, FM, and subtractive synthesis.
synthhybridopen-source
// WHY USE FREE OPEN-SOURCE PLUGINS?
Free open-source plugins have come a long way in recent years. Many rival their paid counterparts in terms of sound quality and features. Whether you're just starting out in music production or you're a professional looking to expand your toolkit without breaking the bank, these community-voted plugins are an excellent choice.
Our rankings are based on community votes. Each plugin's score is calculated by subtracting downvotes from upvotes, giving you an authentic measure of what producers actually use and recommend.