Cherry Picker - apply "natural markers", made up as you type, to mark out segments ("cherries") in one or several tiddler texts. Call the cherrypicker macro to get the cherries extracted and presented as a list.
Wiki Log tool - allows you to enter a note, which is automatically time stamped (Recorded with a date and time) and maintained in a single document/tiddler. With this Wiki Log Tool if you make an entry from a specific Tiddler tiddler name can be optionally recorded as a link back to the tiddler.
Streams is a keyboard friendly way to write and easily divide your text into separate tiddlers while writing. Every time you want a new tiddler, just hit Enter. A new tiddler is created in the background and you can just continue writing.