Ctitch is described as 'free tool to save and organize your notes, lists, images, quotes, and bookmarks. Keep your stuff private, share with others, or make it publicly available to anyone on the web' and is an website in the Office & Productivity category. There are more than 50 alternatives to Ctitch, not only websites but also apps for a variety of platforms, including Windows, Android, iPhone and Mac. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Standard Notes or Google Keep. Other great sites and apps similar to Ctitch are Microsoft OneNote (Freemium), Evernote (Freemium), CherryTree (Free, Open Source) and NoteLedge (Paid).
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, can be copied, tagged and modified either from the applications directly or from your own text editor.