Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
GitHub Gist - Gist is a simple way to share snippets and pastes with others.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
3Cols - Manage your code snippets in the cloud fast, easy and free for personal use forever.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
Simple Snippets - Simple Snippets is place to easily create and manage your code snippets. The main features of the Simple Snippets: code highlighting, snippet groups, public and private snippets.