Odesza

In an interview, when asked what some of their favorite VST / FX Racks are, Odesza reply, "A lot of the synth plugins, like “silence” we use..." (original interview here). This appears to be a misquote, since there is no plugin named silence, but Sylenth1 is a very popular VST synth.

In a youtube video explaining their equipment, they say "The Kontakt Library is a must have for us" @ 4:57

In a Sept 2014 interview on Beatport, when asked, "...could you tell us a bit about your current studio setup?" Odesza responds, "...As far as software, we use lots of Native instruments plug-ins, SoundToys, Logic, Ableton, Maschine, and Ozone 5." Original source here.

In an interview, when asked what some of their favorite VST / FX Racks are, Odesza reply, "Right now, my go to is Soundtoys. They have the best delay I’ve ever used..." (original interview here). The EchoBoy is SountToys' most renown delay plugin, so it can be assumed this is the one referenced by Odesza despite them not naming it exactly.

"Synth/Piano Plugin - Una Corda is beautiful" - ODESZA

Odesza talks about their track “On Across the Room” and how they used Devil-loc on the vocal chops

In an interview, when asked what some of their favorite VST / FX Racks are, Odesza reply, "Right now, my go to is Soundtoys. They have the best delay I’ve ever used, some really nice compressors and the saturation they have, this thing called Decapitator, is absolutely fantastic." (original interview here).

In an interview, Odesza is asked what some of their favorite VST / FX Racks are. They reply, "...we have all the Native Instruments stuff. I’ve been using the Monark plugin..." (original interview here).

you can see massive on his computer

At 5:01, Clayton mentions Diva as one of the software synthesizers that ODESZA uses.

You can see Odesza using the plugin at 0:45 when they're making "Meridian"

You can see Odesza using Waves Kramer Master Tape Plugin at 0:59 in their video of them making "Meridian"