Fluctus

Fluctus is a free 3-operator FM synthesizer that's incredibly simple yet very flexible in the sounds it can produce.

Discord: https://discord.gg/aHnUxztsVe

Key features:

• 3 operators (with variable brightness control), soft and hard saturators, 1 multi-mode filter, ping-pong delay and phaser.
• Streamlined single page user interface with scaling ranging from 100% to 200%.
• Over 60 builtin patches in the factory ROM bank, accessible from the patch browser.
• Full support for the new CLAP plugin API.
• No copy protection or DRM.

The plugin is available in both 32-bit and 64-bit formats for Windows, and is also available in 64-bit for Linux and macOS (with native Apple Silicon support).

Supported hosts:

• The new CLAP plugin format, including support for polyphonic non-destructive modulation. Confirmed working in Bitwig 4.3.
• The native FL Studio plugin format, including support for slide/glide notes. Requires FL Studio 9 or newer.
• Audio Unit hosts.
• Standalone.