These are microapps that have been written and are in use internally but have not been publicly released yet. The intention is to eventually release them under an Open Source license but they are currently pending legal/managerial/etc. approval:
Pebble -- event broadcasting and asynchronous messaging hub
Session Manager -- tracks user sessions
Eukaryote -- caching many json requests into one 'cell'
Goalie -- simple N3 inference engine
Marathon -- manages long-running background tasks
Lumber -- collects logs
I'm a little concerned that publishing descriptions of these pending microapps will produce a vaporware effect and prevent others from implementing them themselves. So I'd encourage anyone thinking that they'd like to use one of them to not wait for them to be released and either go ahead and reimplement it yourself (none of them are very large or difficult to build; your version will probably be better than mine) or to directly contact AndersPearson for the code (what we're waiting on is blanket release approval; handing off a single microapp to an interested individual or organization should be much easier to get approved).