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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..
QuestDB is a high performance, open-source, time-series database
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.
CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
Internet search engine for text-oriented websites. Indexing the small, old and weird web.
Redis-backed non-sticky session store for Apache Tomcat
Elassandra = Elasticsearch + Apache Cassandra
PolarDB-X is a cloud native distributed SQL Database designed for high concurrency, massive storage, complex querying scenarios.
A self-hosted location timeline platform and Google Timeline alternative. Lightweight, features automatic trip detection, rich analytics, and Immich integration.
⚗️ Lightweight HTTP extensions for Java & Kotlin
ASH Viewer provides a graphical view of active session history data within the Oracle and PostgreSQL DB
Use the MongoDB query language to query your relational database, typically from frontend.
A production-grade HBase ORM library that makes accessing HBase clean, fast and fun (Can also be used as Bigtable ORM)
Relational database access made simpler and safer