Chris Sonic gives away hardware configuration maps and explanation to use Omnisphere with any MIDI controller.
Buddy Spencer offers a huge library of smaples of the Yamaha DX7 transfered into Ableton Live racks.
Ableton offers quite many additional
packs for free including Max4Live devices, sample instruments, loops & more WaveEdit is the free, open-source wavetable editor developed by Synthesis Technology. You also can just download Wavetables for free.
FREE TRAP VST FOR BEAT MAKERS
WaveCymbal is an attempt to make a cymbal synthesizer with banded wave-guide model. The result is more like dragging bunch of empty cans or thin metal plate on asphalt rather than cymbal.
PSP PianoVerb is available for free for all who have an active account at PSP Adioware (Account free).
Wether you want to be entertained or learn stuff as a music producer,
Hanging Out With Audiophiles by reknown Jamie Lidell will give you that on a solid level. Episodes feature people like Richard Devine, Dave Steward, Tim Exile and many more.