Open Source Defense

Open Source Defense

Home
Archive
About
OSD 358: Our favorite OSD essays from 2025
Here’s a look back at our favorites from the past year, grouped into our favorite themes from the past year.
Jan 2
OSD 357: Putting your first aid kit to the test, holiday edition
You'll need bandaids a lot more often than you'll need a nasopharyngeal airway.
Dec 25, 2025
OSD 356: Time-to-effective-resistance
A better metric to measure your safety.
Dec 18, 2025
OSD 355: Truck guns, front door guns, and other negative expected value bets
This week a video has been making the rounds on X of a man answering his door in the middle of the night — armed because he wasn’t expecting anyone …
Dec 11, 2025
OSD 354: You see the infringement in your neighbor’s eye and ignore the GCA in your own
A man was arrested for having too much fun on vacation in Florida.
Dec 4, 2025
OSD 353: Everything is a gun now
You thought *guns* were heavily regulated? Look around you.
Nov 27, 2025
OSD 352: “Gun rights are winning and nobody has realized it”, 2025 edition
Rating our predictions from 2019.
Nov 20, 2025
OSD 351: Demud the police
This has been floating around the internet for a while:
Nov 14, 2025
Open Source Defense
Open Source Defense
100% gun rights, 0% culture war. Making people proud to care about gun rights.

Open Source Defense

AboutArchiveSitemap
© 2026 Open Source Defense · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture