Free universal database tool and SQL client

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

QuestDB is a high performance, open-source, time-series database

Graphs for Everyone

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance …

Flyway by Redgate • Database Migrations Made Easy.

Kafka Web UI

A scalable, distributed Time Series Database.

Apache Avro is a data serialization system.

World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.

ditaa is a small command-line utility that can convert diagrams drawn using ascii art ('drawings' that contain characters that resemble lines like | / - ), into proper bitmap graphics.