http://kencochrane.net/blog/2011/06/django-hosting-roundup-who-wins/
Article mentioning a selection of django hosting providers that provide "managed hosting". Very useful, some great companies.
http://lesscss.org/
Magical stuff. Less is Leaner css. Less extends css by adding: variables, mixins, operations and nested rules.
http://radiantcms.org/
Radiant CMS is a simple CMS system built in Ruby on Rails. It has a plugin interface so it can be extended.
http://rubular.com/
Neat little javascript regex editor where one can write a regex and a target text and see it working in real time. Works for Ruby regexes but maybe not others.
http://s3sync.net/
S3sync and s3cmd are ruby interfaces to Amazon S3. S3cmd provides a command line interface to manage S3 buckets. S3sync provides a command line interface to copy data to and from S3.
http://www.capify.org/
Capistrano is a system built in Ruby to execute commands on many servers, in parallel via SSH. Config files, jobs, etc are written in Ruby.
http://www.elevatedcode.com/articles/2007/12/05/replication-monitoring-with-monit/
Clever approach to monitoring mysql replication with monit. Ruby script checks replication is running and then touches a file, monit in turn monitors that file's timestamp and if it gets out of date, sends an alert. Sort of like a dead man switch. Clever.
http://www.heroku.com/
Ruby, Node.js and Clojure application hosting. Pricing is based on web and background workers. One node free.
https://www.appfog.com/
PaaS offering for a wide range of platforms, free up to 8 servers, 2G of ram, 100M database. Supports, PHP, Node.js and more.
