Update README.md (#410)

Fix #409

README.md

@@ -370,6 +370,7 @@ Run SQL queries against anything
 - [CloudQuery](https://github.com/cloudquery/cloudquery) - Extracts, transforms, and loads your cloud assets into normalized PostgreSQL tables.
 - [csvq](https://github.com/mithrandie/csvq) - SQL-like query language for CSV.
 - [dsq](https://github.com/multiprocessio/dsq) - Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.
+- [MAT Calcite plugin](https://github.com/vlsi/mat-calcite-plugin) - This plugin for Eclipse Memory Analyzer allows to query heap dump via SQL.
 - [OctoSQL](https://github.com/cube2222/octosql) - Query tool that allows you to join, analyse and transform data from multiple databases and file formats using SQL.
 - [osquery](https://github.com/osquery/osquery) - SQL powered operating system instrumentation, monitoring, and analytics.
 - [Resmo](https://www.resmo.com) - Audit and evaluate resources using SQL.