HARV

HARV's DAW is Ableton Live, as can be seen at 2:10 and throughout in this video by Genius showing how he made Justin Bieber's track "Peaches".

At 3:30 in this video by Genius, The Making Of Justin Bieber's "Peaches" With HARV, HARV talks about how he recorded the bass line for the song:

The next instrument that I wanted to add was the bass guitar, and I just used a P Bass, I used a 250 dollar P bass for this...

While it's not specified directly, a Squier Precision Bass is the only Precision Bass that fits somewhere in the price range HARV specified.

In this video by Genius, The Making Of Justin Bieber's "Peaches" With HARV, HARV can be seen speaking into a Shure SM7B microphone in his studio. It can be seen at 4:46 and various other points throughout the video.

In this video by Genius, The Making Of Justin Bieber's "Peaches" With HARV, HARV can be seen using a MacBook Pro for producing (3:26 and throughout), which he uses to run Ableton.

In this photo he posted to Instagram, HARV can be seen playing on an M-Audio Code 61 Midi Controller Keyboard.

At 6:40 in this video by Genius, The Making Of Justin Bieber's "Peaches" With HARV, HARV shows his Ableton session for Peaches, and the Serum synth plugin can be seen on a couple tracks used for some lead sounds.

At 24:15 in this episode of Pensado's Place, Harv is asked what DAW he uses and HARV responds:

Ableton for tracking and composing and Pro Tools for Vocals.

At 36:56 Pensado asks HARV his favorite plugin and he responds:

ANA. ANA 2, actually.

At 38:20 in this episode of Pensado's place, HARV is asked what one piece of gear he would save if his studio caught fire and he answers with:

Probably my Moog Sub 37.