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
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
Graphs for Everyone
The official home of the Presto distributed SQL query engine for big data
- java
- presto
- hive
- hadoop
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
- java
- presto
- hive
- hadoop
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
JanusGraph: an open-source, distributed graph database
- graph-database
- tinkerpop
- gremlin
- hbase
Main Liquibase Source
- java
- liquibase
- database-migrations
- java-library
A scalable, distributed Time Series Database.
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.
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.
- orientdb
- graph-database
- document-database
- dbms
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.
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
- database
- graph-database
- graph
- gremlin
requery - modern SQL based query & persistence for Java / Kotlin / Android
- sql
- persistence
- java
- kotlin
The official MongoDB drivers for Java, Kotlin, and Scala
- java
- java-library
- jvm
- mongodb
Apache TinkerPop - a graph computing framework
- tinkerpop
- gremlin
- graph
- graphdb
Free database schema discovery and comprehension tool
- schemacrawler
- jdbc
- database-diagrams
- schema
Fast scalable time series database
- kairosdb
- java
- timeseries-database
- metrics
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.
MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver
- java
- kotlin
- mongodb
- odm