CherryTree, Milanote, Roam Research, Notesnook, Trilium Notes, UpNote, ResophNotes, Shrib, wikidPad, Tomboy, QOwnNotes, Cryptee, Terminal Velocity, Notational FZF, Simplenote Syncpad, Nocs for iPhone, Justnotes, Springseed, BadWrite are some alternatives to NvPY.