tedious
A TDS driver, for connecting to MS SQLServer databases.
knex
A batteries-included SQL query & schema builder for PostgresSQL, MySQL, CockroachDB, MSSQL and SQLite3
sequelize
Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.
mssql
Microsoft SQL Server client for Node.js.