
Kriminal Oktagon
Platform/format: PC/VST Download
Yep, it's another virtual analogue synth: this one comes with eight VCOs, each of which has its own detune, pan and gain controls. It features saw, ramp, tri and pulse waveforms and can run in both monophonic and polyphonic modes.

Wurr Audio Engineering GreenMachine Amp II
Platform/format: PC/VST Download
The appropriately named GreenMachine Amp II is a guitar amp simulator that previously cost $89, but Wurr Audio Engineering has now taken the generous step of 'setting it free'. It features American- and British-style preamp models and Tube 50, Tube 100 and SolidState amps.

Novakill Neokiller III
Platform/format: PC/VST Download
Interestingly, Novakill's flagship Ultrakiller synth is only available to those who buy their new album (entitled I Hate God). However, the trimmed-back Neokiller III is being offered as a free download, with the developer citing its "super-fat Quad Oscillator" as a key benefit.

Meatscience Bitsmacker
Platform/format: PC/VST Download
Described as a "digital distortion Swiss army knife" that's capable of delivering a "raunchy" sound, Bitsmacker promises to emulate the tones associated with vintage samplers, video game systems and other lo-fi gear. The interface isn't anything special, but if it delivers the goods in a sonic sense, that might not matter.