My site uses Twenty Fourteen theme. But the theme is very narrow.
Tag cloud
agile
AI / ML / BigData / AR / VR / Computer vision
algorithms
android
architecture
C#
compose
computer graphics / geometry
database
debug
Delphi
developing tools/IDE
devops
faq
firebase
firebird
game
git
google
gradle
graph theory
internet / network
interview / job
java
jetty
kmp
kotlin
management
meetup
multithreading
MySQL
news/releases
pattern
performance
PHP
rx
security / crypto
sport programming
Testing / QA
theory / math
tips & tricks
UI/UX
video / audio
windows
xml / xpath / json