Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.
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🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.
- elasticsearch
- ik-analysis
- analyzer
- java
Apache ZooKeeper
- zookeeper
- database
- hacktoberfest
- java
Flyway by Redgate • Database Migrations Made Easy.
- flyway
- java
- database-migrations
- java-library
jOOQ is the best way to write SQL in Java
- jooq
- java
- sql
- jpa
JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
Main Liquibase Source
- java
- liquibase
- database-migrations
- java-library
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
Speedment is a Stream ORM Java Toolkit and Runtime
FlexyPool adds metrics and failover strategies to a given Connection Pool, allowing it to resize on demand.
- connection-pool
- java
- histogram
- dbcp
TranslatedUniversal, flexible, high-performance distributed ID generator.
- distributed
- id
- idgenerator
- snowflake
A jOOQ-CodeGenerator to create vertx-ified DAOs and POJOs.
- jooq
- vertx
- java
- vertx-jooq
MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. MariaDB Connector/J is LGPL licensed.
Neo4j ElasticSearch Integration
Official Neo4j JDBC Driver
- neo4j
- neo4j-driver
- jdbc
- integration
JMeter plugin that lets you send sample results to an ElasticSearch engine to enable live monitoring of load tests.
- jmeter
- plugin
- jmeter-plugin
- elasticsearch
Hadoop Data Integration with various databases, ftp servers, salesforce. Incremental update, dedup, append, merge your data on Hadoop.
Externalized Properties is powerful configuration library which supports resolution of properties from external sources such as files, databases, git repositories, and any custom sources
- configuration
- feature-flags
- feature-toggles
- java
Generate production-ready Spring Boot backend boilerplate from a single YAML or JSON spec.
A JMeter plug-in that enables you to send test results to a Kafka server
An access log implementation to be used in vert web routes - inspired by apache / tomcat access log configuration
Lightweight mongo mocking for Vert.x
Stateful actors on Apache Flink 2.x and Java 21 — durable per-key state, exactly-once messaging, Kafka and Kinesis I/O, Kubernetes-native deployment. Continues the Apache Stateful Functions programming model on the modern Flink line.
- actor-model
- apache-flink
- distributed-systems
- event-driven
Database migration module for Play framework