Obsidian, Microsoft OneNote, Joplin, Scrivener, Typora, Ulysses, CherryTree, Logseq, iA Writer, Campfire Pro, Heptabase, NotePlan, Hemingway Editor, Notesnook, FocusWriter, AppFlowy, Manuskript, Trilium Notes, Mark Text, nvALT, WriteMonkey, Dendron, x-whnb, ghostwriter, Hyperdraft, Inkdrop, OneNote Online, Strut Notes, Epsilon Notes, NovelPad, Crossnote, Squibler, Supernotes, FSNotes, Novelist, Abricotine, Tiddly Research, Heynote, vim-pad, novelWriter, StackEdit, Byword, Shosho, wikidPad, MyInfo, Notebag, SiYuan, Buho, Nimbus Note, QOwnNotes, MarkFlowy, Dillinger, Bluefish Editor, Plot Factory, Tangent Notes, Bookwiz, ConnectedText, Outlinely, Haroopad, Code Writer, P3X OneNote, Caret Markdown Editor, MindForger, Zenkit Hypernotes, Beaver Notes, Auratikum, Unigraph, Notabase, Journalify, NoteKit, DeepNotes, Speare, Noteship, OmniaWrite, Athens, GitJournal, acreom, Notea, MarkPad, TiddlyRoam, Flowtelic, Scrapbox, Allegory, Elegant Markdown Editor, NovaScriber, Notenik, Tinderbox, Medium Article Writer, Moeditor, Zen Editor, SpringNotes, WordMark are some alternatives to Zettlr.