Freeware - Jacob Collier Audience Choir Kontakt Instrument

https://www.native-instruments.com/en/products/komplete/vocal/jacob-collier-audience-choir/

Musician, singer-songwriter, and multi-instrumentalist Jacob Collier is renowned for his genre-defying productions, electrifying live shows, and innovative approach to harmony. Throughout his Djesse world tour, he captivated audiences by transforming them into harmonious choirs. Now these voices are yours to conduct with this one-of-a-kind choir plugin. The best part? It’s totally free to download.

Bass Flatter Fretless Accessory

Tool's Justin Chancellor Rig Rundown Bass Gear Tour!

Freeware - REAPER JSFX TIME-1 Plugin

https://github.com/tiagolr/tilr_jsfx?tab=readme-ov-file#time-1

TIME-1 is a playback/time and pitch editor similar to plugins like GrossBeat and TimeShaper.

Freeware - Reflex Dynamic Range Meter VST Plugin

https://reflex-acoustics.com/products/reflex-dynamics-range-meter

Monitor your dynamic range across the frequency spectrum.

Freeware - MOD Audio Desktop VST Plugin

https://mod.audio/desktop/#download_app

Fully stocked open-source Guitar Amp Sim and Effects Suite!!

Freeware - Tonocracy Guitar Amp NAM Sim and Effects VST Plugin

https://tonocracy.com/

The ultimate and NOW FREE guitar tone and effects software from Atomic Amplifiers!

Loads NAM Profiles!

Freeware - Arturia Vintage Lab Presets

https://www.arturia.com/sounds#vintage_lab

Too many free presets to list

Freeware - DiscoDSP OB-Xd Synth VSTi Plugin

https://www.discodsp.com/obxd/

OB-Xd is a classic synthesizer with a timeless sound that continues to captivate musicians and producers alike. With its rich, full-bodied tones and expansive sound design capabilities, the OB-Xd is the perfect choice for those looking to add a vintage touch to their music. Whether you're producing electronic tracks, recording live instruments, or composing for film and television, the OB-X is an invaluable tool that will bring a unique and expressive quality to your sound. So why wait? Add an OB-Xd to your studio today and take your music to the next level!

The OB-Xd is a synthesizer that has been designed to recreate the sound and behavior of the Oberheim OB-X. However, the original design of the OB-X was limited in some ways, so the OB-Xd includes a number of additional or altered features. One key feature of the OB-Xd is its implementation of micro random detuning, which helps to create a fuller, richer sound. Overall, the OB-Xd has been designed to produce a sound that is as good and as rich as the original OB-X.

Freeware - Geonkick Percussive Synthesizer VSTi Plugin

https://geonkick.org/index.html

Geonkick is a free software synthesizer capable of generating a wide range of percussive sounds, including kicks, snares, claps, hi-hats, shakers, and also unique effect sounds.

Freeware - Neural Amp Modeler ParametricOD VST Plugin

https://www.neuralampmodeler.com/post/the-first-publicly-available-parametric-neural-amp-model

ParametricOD, a plugin that uses NAM's parametric modeling capabilities to give you a model of my overdrive pedal that is accurate across the full range of the pedal's knobs and switches.

AI Singing Voice Generator

https://ace-studio.timedomain.cn/

Paid product.

Professional AI Singing Voice Generator for Your Songs. 

Experience the future of music production with our AI singing voice generator. 

Use ACE Studio's professional AI singing voice generator to create studio-quality AI vocals from MIDI and lyrics.

Freeware - Analog Obsession Color Bundle

https://www.patreon.com/posts/color-bundle-97654574

Distox

Multi-mode distortion plugin. A tube and an op-amp circuit with different op-amps and tubes.

PreBOX

Ultimate preamp - distortion box is fully updated from scratch, now!