Tronsonic has released The Expressive Tron, a free sample library for Native Instruments Kontakt (5.2.1+).
The Expressive Tron features 4 tape banks from an original (un-serviced) Mellotron M400: Flute, Strings, Cello and Male Choir:
Pricing and Availability:
Free download - no need to register
Using Chains and automation to switch keyboard setups