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Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Extends Valkey and Redis with over 60 objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..
A high performance caching library for Java
QuestDB is a high performance, open-source, time-series database
Apache Doris is a real-time analytics and hybrid search database for AI agents.
Apache Druid: a high performance real-time analytics database.
🔎 Open source distributed and RESTful search engine.
Apache ZooKeeper
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Apache Ignite
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
A distributed in-memory data store for the cloud
Apache TinkerPop - a graph computing framework
Elassandra = Elasticsearch + Apache Cassandra
Apache Solr open-source search software
SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
Java large off heap cache
Mirror of Apache Pig
A Relational Database Backed by Apache Kafka
⚗️ Lightweight HTTP extensions for Java & Kotlin
Cloud-enabled backup and restore tool for Apache Cassandra
An access log implementation to be used in vert web routes - inspired by apache / tomcat access log configuration