A distributed in-memory data store for the cloud
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Apache TinkerPop - a graph computing framework
- tinkerpop
- gremlin
- graph
- graphdb
An Android helper class to manage database creation and version management using an application's raw asset files
100% open-source IoT Platform - Integrate your devices, add intelligence, build custom apps
- iot-platform
- iot
- energy
- building
Google Cloud Client Library for Java
- java
- cloud-bigquery
- cloud-storage
- cloud-datastore
Speedment is a Stream ORM Java Toolkit and Runtime
:gem:Collection of algorithms and data structures
- algorithm
- data-structures
- java
- cpp
An easy-to-use BI server built for SQL lovers. Power data analysis in SQL and gain faster business insights.
- business-intelligence
- sql
- dashboard
- data-visualization
Awesome Procedures On Cypher for Neo4j - codenamed "apoc" If you like it, please ★ above ⇧
- graph-database
- graph-algorithms
- stored-procedures
- neo4j
Free database schema discovery and comprehension tool
- schemacrawler
- jdbc
- database-diagrams
- schema
Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!
- testing
- faker
Embulk: Pluggable Bulk Data Loader.
- embulk
- bulk-loader
Automated testing to find logic and performance bugs in database systems
Distributed Big Data Orchestration Service
- big-data
- bigdata
- orchestration
- configuration
Fast scalable time series database
- kairosdb
- java
- timeseries-database
- metrics
Elassandra = Elasticsearch + Apache Cassandra
- cassandra
- elasticsearch
- search
- completion
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
Provides support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
XChart is a light-weight Java library for plotting data.
Stream Processing and Complex Event Processing Engine
- streaming-data-processing
- cep
- stream-processing
- complex-event-processing
Nessie: Transactional Catalog for Data Lakes with Git-like semantics
- data
- spark
- java
- iceberg
Apache InLong - a one-stop, full-scenario integration framework for massive data
- inlong
- one-stop-service
- data-streaming
- event-streaming
Hollow is a java library and toolset for disseminating in-memory datasets from a single producer to many consumers for high performance read-only access.
An advanced, but easy to use, platform for writing functional applications in Java 8.
- functional-programming
- reactive-streams
- monoid
- streams