Alf brings a beautiful yet powerful relational algebra to the Shell and to Ruby.

This gem provides support for using the formal documentation of Alf.

This gems provides Rack middleware to use the full power of Alf in web applications.

This project provides a Alf-driven web REPL to any database

Provides a RESTful interface for relational databases.

This project implements an Alf adapter on top of the awesome sequel toolkit.

This project implements the `alf` commandline tool.

This project implements an abstract SQL compiler for Alf expressions

Polygon provides a framework with strong separation of concerns between clients, developers and web designers