Arppe2600va  is a free Virtual Instrument Audio Plugin for Windows.

Chamber Orchestra keys VSCO 2 Community Edition (CE) is an open-source, open-ended subset of the main VSCO 2 library designed for young composers.

Chamber Orchestra (Strings) VSCO 2 Community Edition (CE) is an open-source, open-ended subset of the main VSCO 2 library designed for young composers. Available for free download.

Daniel aka The Interruptor. BIONIC SUPA DELAY. This is an improved version of the popular "Bionic Delay" (Donationware)

Sonatina Choir is are sampled male and female choirs free VST download. 

Vibro Master - Free VST / AU Vibraphone Available for free download. 

Purple is a free software synthesizer developed by Odo Synths.  with 4 Operators and 8 routings, 1 curve option for all Operators.  Available for free download. 

The FB-3300 is a VST software instrument for Microsoft Windows, it is freeware virtual analog synthesizer

Fury-800 emulates the Korg Poly-800 hardware synth available for free download. 

Nils' K1v is a rompler that emulates a Kawai K1 available for free download and donation if you find it useful. 

FREE Magic Switch Chorus Plugin

Pitchproof is a very straightforward diatonic pitchshifter which offers pitch shifts available for free download. 

Krush by Tritik is a Virtual Effect Audio Plugin and makes it an awesome freeware multi-effect bitcrusher and clipper.

Rough Rider 3 is an extremely simple compression plugin with well over a half a million downloads over its decade-plus lifespan.

Cosmic Boy Icecream · 8-bit/Chip style Mono/Poly synthesizer Available for free download

If you are looking for Gongs Chau Gongs VST by Alan ViSTa are great and a free download.

The MT Power Drum Kit is a free VST drum sampler. 

Chip32 is simple wave table synthesizer. Wave table is only 8bit

LMMS is a free cross-platform software which allows you to produce music with your computer.

free software instruments in loads of different formats VST etc.

vocal synthesizer software VST Alter/Ego

SuperTron Virtual analog synthesizer for sounds and sequences typical of the 70s and 80s, Dance, Trance

Chimera is a popular noise-driven synth and a free VST synth by Majken.

ToneZ Is A FREE Synthesizer VST/AU Plugin

Free VST - M-Box (Music Box) Instrument If you like this instrument you can also donate to there project.

Tunefish 4 is available across various platforms and supports 32-bit as well as 64-bit OS and best of all you can download it for free.

Arminator 2

Free Virtual Analog Synth KS7000

a free orchestral sample library powered by SINE Player.

Sign up to get nightlife VST for Free

A1TriggerGate is a ‘Sequenced Gate’ plugin to chop up any incoming audio signal. It is a well known effect in electronic music and sometimes also known as ‘Trance Gate’ effect.

Nova-67P is a parallel parametric equalizer plugin combined with a compressor. External side-chain support. 64-bit internal processing. 32 but and 64 bit version Mac compatible and Windows

VS Upright No 1 Piano

Azurite by Distorque is a Virtual Effect Audio Plugin for Windows. It functions as a VST Plugin.

Surge is an open-source digital synthesizer available for free download.

TAL-Reverb-4 is a standalone version of the high quality reverb implemented in TAL-Sampler. TAL-Reverb-4 is available for free download

Free Minimoog emulation plugin developed by Glen Stegner. Available to download for free.

Synth1 is a VST & AU software synthesizer designed by Ichiro Toda Synth1 combines the common sound synthesis method of Subtractive & FM synthesis. It's one of the most downloaded soft synth in the world, some say it sounds amazing, and it's totally free

Dexed is a multi platform, multi format plugin synth that is closely modeled on the Yamaha DX7. Dexed is also a midi cartridge librarian/manager for the DX7. Fully works on Windows 7 and Windows 10. The Yamaha DX7 was originally used by artists including A-ha, Kenny Loggins, Kool & the Gang, Whitney Houston, Chicago and Phil Collins.

Step into music production with KOMPLETE START– a curated selection of studio-quality instruments, effects, utilities, loops, and samples for the low price of nothing at all. Play over 2,000 customizable sounds – drums and percussion, bass, acoustic instruments, synths, pads and atmospheres, effects, and more.