Free universal database tool and SQL client
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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.
Translated🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs
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
MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
Database Subsetting and Relational Data Browsing Tool.
requery - modern SQL based query & persistence for Java / Kotlin / Android
- sql
- persistence
- java
- kotlin
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.
- xquery
- java
- temporal-data
- storage
NoSQL embedded document store for Java
- nosql
- embedded-database
- documentdb
- android
Reference implementation of a Chinese social-insurance / e-government backend: 5 Spring MVC + MyBatis modules, 358 HTTP endpoints, Oracle multi-schema, Axis SOAP.
- axis
- e-government
- govtech
- java
An open-source columnar data format designed for fast & realtime analytic with big data.
- indexr
- columnar-storage
- olap
- datawarehouse
MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. MariaDB Connector/J is LGPL licensed.
OME (Open Microscopy Environment) develops open-source software and data format standards for the storage and manipulation of biological light microscopy data. A joint project between universities, research establishments and industry in Europe and the USA, OME has over 20 active researchers with strong links to the microscopy community. Funded by private and public research grants, OME has been a major force on the international microscopy stage since 2000.
- omero
- java
- python
- server
ASH Viewer provides a graphical view of active session history data within the Oracle and PostgreSQL DB
Fast and storage-efficient spatial database engine for OpenStreetMap data
- database
- geospatial
- openstreetmap
- geodesk
Command line util for export oracle schema to set of ddl scripts
- export-oracle-schema
- ddl
- oracle-db
- oracle
Cloud-enabled backup and restore tool for Apache Cassandra
Leaderboards backed by Redis in Java
Persistence for REST resources in the filesystem or a redis database