When you run their iLok-enabled software, it looks for the software license on your attached iLok.

Supported software:
AbbeyRoad
Advanced AudioWaves
AIR Music Technology GmbH
Almateq SRL
Antares Audio Technologies
Audio Ease
Audio Research
Audio Research Labs
Audiotech Digital Limited
AURO TECHNOLOGIES NV
Auro-Technologies
Avid
Beat Kangz Electronic
BIOPAC Systems, Inc.
Brainworx Music & Media GmbH
Celemony
Centipeak
Cognitone
Crane Song Ltd
Creative Network Design
Cube-Tec International GmbH
Cycling '74
Dave Hill Designs
Devil Technologies
Digidesign
Dolby
Drawmer
DTS, Inc.
DUY Research
East West Sounds, Inc.
Echo Digital Audio Corp.
Eiosis
Eisenberg GmbH
Elysia GmbH
Euphonix Inc.
Eventide, Inc.
Exponential Audio
Flux
Focusrite Audio Engineering
GRM Tools
Intelligent Devices
IOSONO GmbH
iZotope
KIWA International Ltd
Kush Audio
Lawo AG
Lexicon
Line 6, Inc.
Linear Acoustic Inc.
M-Audio
Maggot Software
Mark Of The Unicorn, Inc.
Mathew Lane
McDSP
MDW Massenberg
Metric Halo Distribution, Inc
Minnetonka
Mozaic Beats
Mu Technologies
Neyrinck
Nomad Factory
Notion
NUGEN Audio
Oxford Digital Limited
Parsek srl Markbass
Pelican Imaging Corporation
PGMT Ltd.
Plugorama - Muse Research
Princeton Digital LLC
PSP Audioware
Quiet Art Ltd.
Relab Development ApS
Remote Control Productions
RNDigital
RTW GmbH & Co. KG
Serato Audio Research Ltd.
Slanecon Digital
Slate Digital
Slate Media Technology
Softube AB
Solid State Logic
solidThinking Inc.
Sonalksis
Sonic Studio
Sonik Architects
Sonnox Ltd.
Sonoma Wire Works
Soundfield
Soundminer
Sounds In Sync
SoundToys
Source Elements
SPL Germany
SRS Labs, Inc.
Synaptricity
Synchro Arts
Synful
Synthogy
Tac System, Inc.
Tanager AudioWorks, Inc.
TC Electronic
TC-Helicon Vocal Technologies, Inc.
The Sound Guy, Inc.
Unique Recording Software
Unity Technologies ApS
Universal Audio, Inc.
UVI
Verance
Virtual Katy
Vocally
Wave Arts, Inc.
WaveMachine Labs, Inc.
Waves, Inc.
Wholegrain Digital Systems
Write Brothers, Inc.
XILS-lab
zplane.development