I don't compile these lists often enough, but here's some good stuff I've stumbled upon this month so far. (Updating throughout the month)

An excellent post from Cloudflare's CEO, Matthew Prince:
Why We Terminated Daily Stormer

The EFF on Neo-Nazis and the Future of Free Expression:
Fighting Neo-Nazis and the Future of Free Expression

A few interesting articles from Github:
Kubernetes at GitHub
Introducing GLB
GitHub's Metal Cloud

I bet you didn't know Facebook owned Onavo:
Facebook Copycatting

Other good reads in no particular order:
How Postgres Makes Transactions Atomic
One Host Name
gtop
sshuttle
Apex
Apex Github
ServiceBot
nettop
A Farewell to Go
Compression Decompressed
Data Structures for Coding Interviews
What Happens When...
Hunting Malicious NPM Packages
Afraid of Makefiles? Don't be!
vi is not vim
Automation Hardening Framework
Why ~ is home and HJKL are up, down, left, and right
The CEO Who Pays Employees to De-locate from the Bay
Mr. Null