rancorSynth is a free software synthesizer designed with a clean and efficient interface for quick sound creation. It integrates the essential modules favored by sound designers into a compact layout, enabling users to manage multiple instances simultaneously. This setup simplifies parameter adjustments and supports layering sounds effectively, making it suitable for both live performance and studio production.

One standout feature of rancorSynth is its unique randomization function, accessible via the 'Rand' button. This tool instantly randomizes all parameters, helping users overcome creative blocks by generating unexpected sounds. Users can explore a wide range of sonic possibilities by repeatedly applying randomization, using the results as inspiration or a foundation for further customization.

The synthesizer includes two oscillators with various waveforms such as sine, square, saw, and noise, along with a single LFO that can be toggled on or off. Additional controls include a filter module and master volume, with all parameters fully MIDI-mappable and automatable within compatible digital audio workstations. rancorSynth also offers the convenience of preset management and comes equipped with 52 ready-to-use presets, providing a solid starting point for sound design.