Logman is Web Console/API for gathering logs from various sources and analyzing them. Logs are saved to mongo database.

Enable configuration and generate HTML view for Lolita resources, and also has ability to export to different formats.

A low-level utility library.

does what the summary says

Maestrano is the next generation marketplace for SME applications. See https://maestrano.com for details.

Magis Framework Gem

Mailspy allows for quick and easy creation, sending and tracking of email campaigns

Integrate fancy MapReduce Bulding functionality with one gem install

Utilities for translation of Marc21 records to linked open data.

Simple authorization solution for Rails which is decoupled from user roles. All permissions are stored in a single location.

Matic adds attribute accessors and dirty tracking to Mongomatic and optionally shortens field names saved to MongoDB.

MDDB makes analysing molecular dynamics simulations easy

A dashboard for your memcache

Mince interface library to provide a lightweight MongoDB ORM for Ruby.

Mitamirri is a Rails engine designed to be a drop-in substitute for (or companion to) Google Analytics that enables standard analytics tracking in addition to tracking of custom client-side events.

A very simple mongomapper plugin to add friendship functionality to your application

MongoMapper plugin that prevents any fields responding to empty? from being persisted if empty

a simple mongomapper plugin to add a full featured state machine to your models

MongoMapper plugin that removes ID field from EmbeddedDocuments

MongoMapper plugin that uses a UUID instead of the default ObjectID