Elasticsearch
AERIS-Consulting e.U.
Linux® Command Line and Shell Scripting Bible
Richard Blum & Christine Bresnahan
The Psychology Book
Unknown
K8S-Best-Practices
Brandon burns, eddie villahlba, dave strebel, lachlan evenson
How Git Works (Wizard Zines)
A-Hackers-Mind-Ho[..] rules
bruce schneier