Here’s a list of some free instruments to get your Pajam! session going.
They are all compatible with both Mac and Windows, some of them require a short registration process.
Drums:
Drum Pro - 20 drum kits and the sounds of 9 vintage rhythms boxes mapped to a virtual pad.
Synsonic BD-808 - 808-style Bass Drum Sounds.
https://synsonic-instruments.com/synsonic-bd-808/
Bass:
Ample Bass P Lite II - Fender Precision Bass sound on your keyboard.
Synth and Keys:
OB-XD
Labs
Pendulate
Collab3
AAS Player - No controls, great sounds.
https://www.applied-acoustics.com/aas-player/
UVI Workstation 3
IK Multimedia
Native Instruments
https://www.native-instruments.com/en/catalog/free/
Amps:
NA Crunck V2 - Great amp sim.
Ace - American, all tube, 5W, tweed amp.
http://www.shatteredglassaudio.com/product/103#DOWNLOAD
macOS only:
Sitala - A very friendly drum machine
Enjoy and add your favorites!