OO Queries

 Tom Chiverton writes about  nesting ands and ors in Reactor's OO queries.

 Kevin Roche explains  joins and using  aggregate functions (things like count() and arithmetic).

Chris Blackwell has some comments on  ordering your results.

Reactor in General

The  Reactor Wiki at WikiSpaces was set up before this site existed, and its contents probably should be copied here (if it's not already here in some form).

A quick note on creating  Reactor plugins from João Fernandes.

Brian Rinaldi posted an  beginner's guide to Reactor