microapp articles
Little Apps Instead of Little Frameworks -- blog post by Ian Bicking
More Small Apps -- blog post by Ian Bicking
Tasty Lightning -- blog post by Anders Pearson
Single Stacks, or Network-Centric Web Services? -- blog post by Jon Stahl
Saints in the Church of Writely, Motivations for developing F/OSS MicroApps -- blog post by Jonah Bossewitch
HTTP(ish) all the way down -- blog post by Ian Bicking
Discovering a World of Resources -- David Heinemeier Hansson on the importance of REST resources and service architectures.
microapp authorization -- Blog post by Schuyler Duveen outlining a proposal for a microapp authz framework.
TurboGears and Microapps -- Proposal for a microapps controller proxy for TurboGears
Enterprise microapps in the news (aka SOA, webservices, web 2.0, etc)
general REST resources
Architectural Styles and the Design of Network-based Software Architectures -- Roy Fielding's original Dissertation
How To Create a REST Protocol -- xml.com article by Joe Gregario
REST and FSM and BP for Quixote How-to -- howto by Dave Kuhlman
restful json -- blog post by Joe Gregario
Related Distributed Architectural Resources
Monster Muck Mashup - Mass Video Conversion Using AWS -- Article on building a video conversion application on top of Amazon's Web Services. Not quite REST or microapps, but the basic approach of how they tied things together is pretty similar to how something similar would be built with microapps.