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.
Simple CRC checksum functions for JavaScript. Supports many predefined models such as CRC-8, CRC-16, CRC-24, CRC-32, and CRC-64. It also supports custom CRC models.