BookStack, CherryTree, Roam Research, Trilium Notes, Dendron, AZZ Cardfile, Shrib, Onetastic for Microsoft OneNote, Tomboy, iProcrastinate, QOwnNotes, Turtl, Cryptee, Coastline, vscode-nested-tags, NotePost, FastNote, Letterspace, showNote, Notefile, Notestack.me, Minutes Text Notes, TopXNotes, Quantus Tasks, DNoteIt, Notemee, Minimal To Do, AtoZ Notebook, SteloNote Advance Notebook, notemojo, NoteBox are some alternatives to TreeNoote.