Notion, Evernote, BookStack, DokuWiki, RemNote, Bitrix24, Nuclino, Microsoft Loop, MediaWiki, Wiki.js, TreePad, Notesnook, AppFlowy, Trilium Notes, Pencil Journal, StoneNotes, WackoWiki, Almanac, Dendron, Walling, OneNote Online, You Need A Wiki, BlueSpice for MediaWiki, Wiki on a Stick, Amplenote, Wikiful, wreeto, Pingpad, Tiddly Research, Heynote, ATWiki, vim-pad, Banana Dance Wiki/CMS, labfolder, wikidPad, MyInfo, Tomboy, Doit.io, XWiki, VoodooPad, Tettra, ConnectedText, Scribbleton, Dokit, Pmwiki, Ema Personal Wiki, Mars Notebook, Foswiki, Omni Notes, Flashnote, Documize, Unigraph, Fibery, Raneto, Instiki, Indigrid, Linked Notes, Speare, Noteship, Athens, SlimWiki, IT Glue, UserPress, LabLog, Notekeeper, Gollum wiki, GitJournal, Notea, TiddlyRoam, TiddlyDesktop, NimbleNotes, GloboNote, Idea Notebook, Monolist, YesWiki, Doxter, Stekpad, Catzwares Simple Notes, Woas, Allegory, MyTetra, Zoho Wiki, Everlog, MarkWiki, ikiwiki, Teamemo, ZuluPad, NotesHolder, OneBar, LionWiki, BrainStormWFO, Balsa Knowledgebase, SimpleDocServer, Referata, NotesSync, Wikidocs, Delphinus Notes, Hivemind, MPTW, GavelNote.com, Wikipack, Book on a Stick, Malkovich, Luminotes, Pepperminty Wiki, Bookplay, Fetchnotes, NoteLynX Outliner Mindmap Wiki, Planzone are some alternatives to TiddlyWiki.