These are some of the applications I use on Mac OS X.

1Password: [App Store]
https://1password.com
Adobe Lighroom:
http://www.adobe.com/products/photoshop-lightroom.html
BombSquad: [App Store]
http://www.positivespinmedia.com/shareware/BombSquad/index.html
BBEdit: [App Store]
https://www.barebones.com/products/bbedit/
Caffeine: [App Store]
http://lightheadsw.com/caffeine/
Carbon Copy Cloner:
http://bombich.com
Datacolor Spyder5Pro:
https://www.datacolor.com/photography-design/s5-welcome/
Diver's Diary: [App Store]
https://www.mares.com/shop/us-US/diver-s-diary-v1-9-mac.html
https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers (drivers)
Dropbox:
https://www.dropbox.com
An assortment of 80's and 90's game console emulators
EyeTV:
https://www.geniatech.eu/eyetv/support/eyetv-3-en/
ETVComskip (for EyeTV):
https://github.com/essandess/etv-comskip
Firefox:
http://www.mozilla.com/en-US/firefox/
Flame:
http://husk.org/apps/flame/
Flowdock:
https://www.flowdock.com
HandBrake:
http://handbrake.fr/
Homebrew:
http://brew.sh
iLok License Manager:
https://www.ilok.com
IntelliJ:
http://www.jetbrains.com/idea/
iStumbler:
http://istumbler.net/
Klondike Forever: [App Store]
http://www.solitaireforever.com/klondike/index.html
Logic Pro X: [App Store]
http://www.apple.com/logic-pro/
Mactracker: [App Store]
http://mactracker.ca/
MetaZ:
http://griff.github.io/metaz/
MPEG Streamclip:
http://www.squared5.com/
Negative Lab Pro:
https://www.negativelabpro.com
Paw: [App Store]
https://paw.cloud
QuickTime MPEG-2 Playback Component (Codec):
http://store.apple.com/us/product/D2187Z/A
Sequel Pro:
http://www.sequelpro.com/
Slack: [App Store]
https://slack.com
SoftEther VPN Server:
https://www.softether.org
SQLite Browser:
http://sqlitebrowser.org
SSHFS (via Homebrew):
https://code.google.com/archive/p/macfuse/wikis/MACFUSE_FS_SSHFS.wiki
Stuffit Expander: [App Store]
http://my.smithmicro.com/stuffit-expander-mac.html
Sublime Text:
http://www.sublimetext.com
Roxio Toast:
http://www.roxio.com/enu/products/toast/titanium/
VLC:
http://www.videolan.org/vlc/
VMWare Fusion:
http://www.vmware.com/products/fusion/
WebKit:
https://webkit.org/downloads/
Xbox HID Driver:
http://xhd.sourceforge.net/
http://sourceforge.net/projects/xhd/
http://xhd.cvs.sourceforge.net/viewvc/xhd/xhd/Release/
http://macman860.wordpress.com/2013/05/03/xbox-driver-for-mac-os-x-lion/
Xcode: [App Store]
https://developer.apple.com/xcode/