I am always mentioning, to various colleagues and customers, the SharePoint Development blogs that I follow. Below, in no specific order, is the list of blogs that I am following:
###Jeremy Thake’s musings### http://www.jeremythake.com/
Jeremy Thake is a Senior Product Marketing Manager at Microsoft focusing on Office 365 developer platform. Lots of great information on transitioning developers to the App Model.
###Richard diZeregas Blog### http://blogs.msdn.com/b/richard_dizeregas_blog/
Richard diZeregas is a Solution Architect at Microsoft. His blog has a lot of detailed information regarding custom development in SharePoint, Yammer and Office 365.
###Share-n-dipity### http://blogs.technet.com/b/speschka/
Steve Peschka works for Microsoft. Not exactly sure of his responsibility but he has some of the greatest posts in regards to developing against Office 365, Azure and Yammer. I would even say that some of his posts are the point of authority when it comes to App authentication/authorization.
###Wictor Wilen’s Blog### http://www.wictorwilen.se/
Wictor Wilen is a Director, MCA, MCSM, MCM and a Microsoft MVP working at Connecta AB. Posts are primarily focused around SharePoint AppModel and Windows Azure from more of the guy on the ground perspective.
###Vesa “vesku” Juvonen### http://blogs.msdn.com/b/vesku/
Vesa is a Principal Consultant at Microsoft focusing on SharePoint. Posts are very developer oriented, with lots of details surrounding making the jump to the Cloud App Model.
###The Nuts and Bolts of SharePoint### http://www.sharepointnutsandbolts.com/
Chris O’Brien is an independent SharePoint/.Net consultant in London, UK. Posts are developer focused with lots of code samples. Also, Chris write frequently on Continuous Integration as it relates to SharePoint solutions.
###Office Blog### http://blogs.office.com/
The Office product blog is actually really good source for information. Jeremy Thake runs an Office 365 Developer Postcast that gets syndicated in the feed, which has been pretty good.
###SharePoint Community### http://sharepoint-community.net/
Open community of SharePoint professionals. Great place for reading what others are doing in the field.
###SharePoint Stack Exchange### http://sharepoint.stackexchange.com/
Q/A Stack Exchange site geared specifically at SharePoint. Some overlap with StackOverflow.com