Everpad
Evernote client well integrated with linux desktop
...It runs a background service that syncs with your Evernote account and exposes your notes through an indicator applet and a Unity lens/search integration. The goal is to make Evernote feel like a native part of the desktop, so you can search, open, edit, and create notes without jumping to the web interface. It also supports note attachments, notebooks, and tags, so you can organize content in the same way you do on official Evernote clients. Because it plugs into the desktop search, you can surface notes alongside local files for faster retrieval. It was created to fill the gap for Linux users who didn’t have an official Evernote client but still wanted a smooth, native-like experience.