Also http://longform.org/ + http://www.instapaper.com/

Also great for this - the Send to Kindle Chrome extension.

Send to Kindle Chrome extension: https://chrome.google.com/webstore/detail/ipkfnchcgalnafehpg...

In addition to LongReads, I frequent the following, making heavy use of Instapaper and pushing to my Kindle to get a weekly periodical which makes for some great reading

http://givemesomethingtoread.com/

http://longform.org/

Here's another one:

http://www.aldaily.com/

And don't forget Readability (support long form journalism with real money, also a beautiful online reader): https://www.readability.com

Also try longreads via Lexpaper.com @longreads http://lexpaper.com/paper/daily/share/longreads #longreads http://lexpaper.com/paper/daily/tag/longreads

Download as e-book and read it offline.

It's funny that I was thinking that the publishers mentioned on that site usually publish too-long-for-my-twitter-molded-mind articles. Yet I tried to at least scan through those articles because the content was interesting (Perhaps because I find them on HN).

Also http://reddit.com/r/longtext

http://thebrowser.com (or http://thebrowser.com/best) is great too