Workflowy, CherryTree, Dynalist, OmniOutliner, Org mode, Tkoutline, CrossLine, MyLifeOrganized, Orgzly, Opal, Listography, TreeLine, Nimbus Note, QOwnNotes, OutlineEdit, Orgro, Widget-Board, GitJournal, Notea, Writing Outliner, CarbonFin Outliner, buzz.opml, Redberry, beorg, Cloud Outliner, Outspline, Cloud Outliner Pro are some alternatives to Orgzly Revived.