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

Quarkus: Supersonic Subatomic Java.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance …

AI + Data, online. https://vespa.ai

Apache Kafka® running on Kubernetes

Micro second messaging that stores everything to disk

Apache Solr open-source search software

Java annotation processor library for auto-generating Builder (including Staged Builder) pattern classes

Шаблоны задач с вводом-выводом для вводной части и первого спринта курса Алгоритмы для разработчиков.