You could use Tiddlywiki. You create entries (called tiddlers) and you can hide them. Then, you won't see them by default, but you can search for them. You ca

You could use Tiddlywiki. You create entries (called tiddlers) and you can hide them. Then, you won't see them by default, but you can search for them. You can also set it to show you a specific tiddler when you load the page.