AddaxA stable and efficient heterogeneous data sync tool

Define read → transform → write as a single JSON job, and operate it like an engineering artifact

Quickstart

Documentation

GitHub

Observability for data quality

Strong typing + stats reports help you quickly separate data issues from configuration issues.

Open stats report

Built-in transforms (plus Groovy)

Mask, filter, enrich, and cast types with built-in transformers, or write Groovy for custom logic.

Learn transforms

Operable, high-throughput sync

Define the job once, run via CLI anywhere—ideal for CI/CD, schedulers, and standardized operations.

Start with job setup

70+

Reader/writer plugins

30+

Data source types

Apache 2.0

Open source license

Strong-typed

Data transport

One JSON file. That's all it takes.

Declare reader and writer plugins in JSON — no code needed to sync data between heterogeneous sources.

job.json

{
  "job": {
    "content": [{
      "reader": {
        "name": "mysqlreader",
        "parameter": {
          "username": "root",
          "password": "******",
          "column": ["*"],
          "connection": [{
            "jdbcUrl": ["jdbc:mysql://host:3306/db"],
            "table": ["source_table"]
          }]
        }
      },
      "writer": {
        "name": "clickhousewriter",
        "parameter": {
          "username": "default",
          "password": "******",
          "column": ["*"],
          "connection": [{
            "jdbcUrl": "jdbc:clickhouse://host:8123/db",
            "table": ["target_table"]
          }]
        }
      }
    }]
  }
}