Notion, Obsidian, Microsoft OneNote, Joplin, Simplenote, Evernote, Google Keep, Logseq, Anytype, Heptabase, Capacities, Notesnook, Trilium Notes, Inkdrop, FSNotes, QOwnNotes, Turtl, Cryptee, NoteLedge, Beaver Notes, Silverbullet, NoteKit, DeepNotes, Frontdoor, acreom are some alternatives to Standard Notes.