Windows | OS X | Linux (Ubuntu) | ChromeOS | Android | |
WordProcessing | LibreOffice | LibreOffice | LibreOffice | GoogleDocs | n/a |
LibreOffice via Roll.app | |||||
Lightweight document creation (MarkDown) | Texts.io | Texts.io | Retext | StackEdit | MarkDrop |
Retext via Roll.app | |||||
Spreadsheets | Libre Office | Libre Office | Libre Office | GoogleDocs | n/a |
Excel via OneDrive | |||||
Web client | Web client | Web client | Web Client | Application | |
Web client | Web client | Web client | Web Client | Application | |
RSS Reader | Web client | Web client | Web client | Web Client | n/a |
Document Management | Evernote | Evernote | Web client | Web Client | Evernote |
PDF Viewer | Acrobat | Preview | Evince | Google viewer | Acrobat |
Epub Reader | Calibre | Calibre | Calibre | n/a | n/a |
This of course doesn't cover the devices used - for example I'me still using my old Cool-er ereader to read epubs offline, while my Kindle is used for recreational reading, and I still use my old noname 7inch tablet for notetaking.
I also find I use my full size windows laptop at weekends for more serious writing but prefer my Chromebook during the week for email, web and rss reading, plus writing the odd snippet. My newer Samsung tablet is used for email, online newspaper reading and online banking, but strangely I still like my original 10" Zpad for viewing images, even if it's a little slow these days ...