I'm interested in this as well. I've been using org-mode and Dropbox for many years, but have become interested in something I can (a) easily use with a phone,

I'm interested in this as well. I've been using org-mode and Dropbox for many years, but have become interested in something I can (a) easily use with a phone, and (b) use photos with. I've been pleased, in these capacities, with Evernote so far, but would love something that's either open source or not subscription-based.