Essential Mac Apps

I was just wondering what the "essential" Mac apps are that other people use to help their productivity. They can be from the App Store or sideloaded (excuse my Android lingo). I'd prefer if nobody included browsers mainly because everyone has their own opinions on Safari vs. Chrome and [insert argument that gets off topic here]... I'm not talking about Apple's pre installed apps either, I'm curious to see what third party apps people have found that work for them. I'm just curious to see who uses what to help (or hinder) their productivity throughout an average day.

But anyways, here is a list of apps that I found that are really helpful:

  • Alfred 2 (with powerpack)
  • Free Memory
  • Bartender
  • Caffeine (even computers need something to keep them awake)
  • smcfancontrol
  • gfxCardStatus
  • BetterTouchTool
  • HandBrake
  • Pacifist
  • HyperSwitch (cmd+Tab except you can select which window you want)
  • SuperDuper!

Also, screenshots are appreciated, but not necessary.

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via i.imgur.com