This app was mentioned in 3 comments, with an average of 1.33 upvotes
This: Also, don't save using the browser's save page gesture. Use the save gesture in the page with Firefox with Tiddlyfox.
Not sure about TiddlyDesktop, never had to use it.
For what it's worth, there's also an android TiddlyWiki editor: https://play.google.com/store/apps/details?id=de.mgsimon.android.andtidwiki&hl=en
there is also AndTidWiki which puts a Tiddly Wiki on your phone or tablet.
Evernote It has a yearly subscription but it is fantastic for Notes, Goals you can set reminders as well too much to list the MythBusters swear by it. Or how about a personal Wiki app like AndTidWiki it links up with TiddlyWiki