Lotus
Please see Lotus diagnostic and rev-match devices for sale through Lotus specialists, SeriouslyLotus in the UK, Komo-Tec in Germany.
They can provide car hardware upgrades and tuning as well as the specific devices listed below.
Unlocking and tuning of Lotus Emira V6 ECUs is possible as part of the purchase of Komo-Tec tuning packages.

Lotus Emira Diagnostic device
UK/worldwide shipping:
https://www.seriouslylotus.com/featured/sl-diagnostic-device-emira

Lotus Elise/Evora/Exige Diagnostic device
UK/worldwide shipping:
https://www.seriouslylotus.com/featured/sl-diagnostic-device
Germany/worldwide shipping:
https://www.komo-tec.com/en/KT-OBD-Diagnostic-tool/2209-010
Lotus Elise/Evora/Exige Rev-match device/installation
UK V6 cars:
https://www.seriouslylotus.com/featured/sl-revmatch-device-for-exige-and-evora-v6
UK 4 cylinder cars:
https://www.seriouslylotus.com/sl-revmatch-device-for-2012my-onwards-elise
Germany:
https://www.komo-tec.com/en/KT-Revmatch-for-Exige-And-Evora-V6/2208-006