HxD, PE Explorer, WinHex, UltraEdit, Okteta, ImHex, Bless, Binary Ninja, iHex, Hiew, 0xED, FileAlyzer, HexEd.it, Hexinator, XVI32, Malcat, Hex Fiend, Kaitai Struct, Active@ Disk Editor, Hex Workshop, MiTeC HexEdit, Preon, wxHexEditor, HT editor, BinHex CryPactor, Hexplorer, Hecate, Hexer, FlexHex, FileInsight, Veles are some alternatives to 010 Editor.