Ghidra is a software reverse engineering (SRE) framework

Apache Flink

QuestDB is a high performance, open-source, time-series database

Apache Pulsar - distributed pub-sub messaging system

Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Learn Low Level Design (LLD) and prepare for interviews using free resources.

Istio Tutorial for https://dn.dev/master