ModulAir is a modular polyphonic software synthesizer designed for both Windows and macOS, supporting multiple plugin formats including VST2, VST3, AU, and CLAP. Developed in native C++ for optimal performance, it offers low CPU usage while delivering rich sound creation capabilities. This synthesizer features a fully modular architecture, allowing users to create complex patches with up to 18 modules per patch from a selection of 57 different module types.

With support for up to 64 voices of polyphony, ModulAir enables both polyphonic and monophonic sound design via dedicated voice and master modules. It incorporates dynamic micro-tuning through MTS-ESP by ODDSound and allows import of TUN and SCL micro-tuning files for enhanced tonal flexibility. The plugin also includes a resizable user interface to accommodate different screen sizes and preferences, alongside comprehensive MIDI Learn functionality that enables control of all parameters via MIDI CC.

Although still under active development, ModulAir continues to expand its feature set with ongoing module additions and improvements. It currently includes a collection of unique presets to inspire sound exploration, supported by an evolving documentation resource. Its combination of modular flexibility, extensive tuning options, and cross-platform compatibility makes ModulAir a powerful tool for synthesists seeking creative sound design possibilities.