sqlkata / querybuilder

SQL query builder, written in c#, helps you build complex queries easily, supports SqlServer, MySql, PostgreSql, Oracle, Sqlite and Firebird

hanakai-rb / rom

Data mapping and persistence toolkit for Ruby

intake / intake

Intake is a lightweight package for finding, investigating, loading and disseminating data.

spring-projects / spring-data-commons

Spring Data Commons. Interfaces and code shared between the various datastore specific implementations.