If you’re looking for a new mastering tool, there’s a pretty sweet freebie available right now. HoRNet Plugins has teamed up with Bedroom Producers Blog to give away Butterfly, a versatile mastering processor that normally sells for €37.99.
The promotion is only running from October 6 through October 10, 2026, so this one won’t be around for long.
Butterfly is designed to work on your master bus but it also works well as a channel strip on individual tracks and can help shape the overall character and dynamics of your mix.
Instead of opening a heavy stack of separate EQ, compression, and limiting plugins, it packs an intelligent, modular processing architecture into a single interface.
Let me know what you think of this plugin.
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