Desktop apps:

- 1 year of Setapp on StackSocial (https://www.stacksocial.com/sales/setapp-personal-mac-plan-1...) for $68 with coupon SAVEBIG20

- Tower (https://www.git-tower.com/), my favorite Git client, is 50% off

- Kaleidoscope (https://kaleidoscope.app), my favorite diff tool, is 40% off with code BLACKFRIDAY23

- Proxyman (https://proxyman.io/) is 30% off with code PROXYMAN_BLACKFRIDAY_2023

- DevUtils (https://devutils.com/) is 50% off

- MindMac (https://mindmac.app/index.html) is 55% off

Some other nice deals I found:

- Trickster (https://www.apparentsoft.com/trickster) is 50% off (very useful to quickly access recently modified files)

- Pixelmator Pro (https://www.pixelmator.com/pro/) and the Affinity bundle (https://affinity.serif.com/) are 50% off

- Workspaces (https://www.apptorium.com/workspaces) is 40% off (useful to launch multiple apps, files, and websites linked to a project)

- Sensei (https://cindori.com/sensei) is 50% off

Also:

- Tailwind-UI + Refactoring UI Bundle (https://tailwindui.com/all-access) for $229 (30% off)

- GoRails (https://gorails.com/) - the annual plan is 36% off

Regarding the GH repos you mentioned, these list many other deals:

- https://github.com/mRs-/Black-Friday-Deals

- https://github.com/twf-nikhila/Awesome-Black-Friday-Cyber-Mo...

- https://github.com/trungdq88/Awesome-Black-Friday-Cyber-Mond...