Interesting collection of 5 free instruments for Kontakt from Native Instruments.
727 From Mars
Get an extremely wide sample collection of the Roland 727 drum machine free from Samples From Mars.
Surge
Surge Synth Team updated the Surge synthesizer plugin (VST3) to v1.7.0 with hundreds of new features and a brand new user interface design.
Surge is free a versatile hybrid virtual synthesizer in the VST3 plugin format for digital audio workstations on Windows, macOS, and Linux.
DefleMask
DefleMask is a free (Donations possible) cross-platform chiptune music tracker.
It is available for Windows, Mac OS X, Linux, iOS and Android.
MPC Beats
MPC Beats, the fully featured, beat-making software based on the legendary MPC workflow to quickly make great sounding beats.
Download MPC software for free at AKAI. It is a fully featured, beat-making software based on the legendary MPC workflow to quickly make great sounding beats.
Voltage Modular Nucleus 2
Voltage Modular Nucleus 2 is right now freely available at Plugin Boutique. This collection of 22 modules and 176 presets is the ultimate introduction to modular synthesis.
Web Based Tools
OK. Ready. Let’s Do It is an online exhibition of free to use, web-based sound and noise-making tools.
Electronik Sound Lab
Electronik Sound Lab offer 8 free VST instruments at this time.
Rebirth
Free download vintage soft Rebirth RB-338 on this site.
TDR SlickEQ
TDR VOS SlickEQ is a free mixing/mastering equalizer designed for ease of use, musical flexibility and impeccable sound.