SVArTracker is described as '* Compatibility with thousands of virtual instruments - can load VST, VSTi plug-ins' and is a Digital Audio Workstation in the Audio & Music category. There are more than 50 alternatives to SVArTracker for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPhone. The best alternative is FL Studio. It's not free, so if you're looking for a free alternative, you could try AudioTool or OpenMPT. Other great apps like SVArTracker are Studio One (Paid), Reason (Paid), SunVox (Freemium) and MuLab (Paid).
FL Studio (originally known as FruityLoops) is a full-featured Digital Audio Workstation (DAW) offering a complete range of professional tools for everything from audio editing and beat creation to advanced arrangement, composition, mixing and mastering.
Make music online with a powerful set of tools ranging from synthesizers and samplers to mixers, delays, reverb and much more. AudioTool is an advanced, collaborative DAW (Digital Audio Workstation) built for the browser.
Reason is a virtual studio rack with all the tools and instruments you need to turn your ideas into music. And it's more than just a set of excellent synths and effects. It's a complete music system. Step into the age of Reason.
SunVox is a small, fast and powerful modular synthesizer with pattern based sequencer (tracker). It is a tool for those people who like to compose music wherever they are, whenever they wish. On any device.
Schism Tracker is a free reimplementation of Impulse Tracker, a program used to create high quality music without the requirements of specialized, expensive equipment, and with a unique "finger feel" that is difficult to replicate in part.