A curated list of great open-source Ruby on Rails applications.
Some code I’ve contributed to open-source projects is now being stored in vaults in the Arctic, thanks to GitHub’s Archive Programme. Very cool (excuse the pun).
An open-source service monitoring system and time series database.
Piwik is the leading open source web analytics platform
Community/discussion forum system
Popular PHP open-source framework
Building maps using open mapping tools
Facebook’s suite of open source tools for code review, bug tracking, source browsing and documentation
JavaScript library for interactive maps by CloudMade. Uses OpenStreetMap.
Scalable, distributed, master-less database designed to work in the cloud.
A template for unlicensing or releasing software into the public domain
Mac dev environment containing MySQL, PostgreSQL, Redis, Memcached, MongoDB, Ruby, Rails, Sinatra, Python, Node.js, Erlang...
Open source high availability clustering software for server redundancy
Open source Twitter client for the iPhone. Used as the basis for the Present.ly iPhone app. Worth digging around to see if...
Javascript XMPP BOSH library - for writing IM clients in the browser
“Microsoft may be an 800lb gorilla, but it’s not my gorilla, and it’s not in my room. If you need to appease the gorilla,...
A new project to create a slimmed down MySQL targeted at web apps - UTF8, InnoDB and no stored procedures or other guff