SunVox is a compact, fast, and powerful modular synthesizer combined with a pattern-based sequencer (tracker), designed for music enthusiasts who wish to compose music anytime, anywhere, on any device or system. It is available for multiple platforms, including Windows, macOS, Linux (x86, x86_64, ARM, ARM64), iOS, Android, and Windows CE, with free versions for most systems except Android and iOS. SunVox features highly optimized synth algorithms and a flexible architecture, supporting various sound systems such as ASIO, DirectSound, MME, ALSA, OSS, JACK, Audiobus, and IAA. It functions as an AU instrument/effect on iOS and supports 16/24/32-bit WAV, AIFF, and XI samples, along with multitrack WAV export capabilities. The software offers MIDI In/Out/Import/Export, real-time sample recording, and a powerful microtonal sequencer. Users can import XM (FastTracker) and MOD (ProTracker, OctaMED) files and perform real-time recording of various sound events.