Microsoft Office Visio, draw.io, Xmind, MindNode, SmartDraw, Gephi, Google Drawings, Gliffy, Balsamiq Wireframes, yEd Graph Editor, Pencil Project, Graphviz, Penpot, ARIS Express, LibreOffice - Draw, Linkurious, Diagramo, Umbrello, Xmind AI, DotEditor, Webgraphviz, TouchDraw, MockFlow, Moqups, PathVisio, Neoclipse, Xfig, Creately, Whimsical, MagicDraw, Polinode, Delineato Pro, Kroki, Mockingbird, WebSequenceDiagrams, Hava, Grapholite, MyDraw, QuikFlow, UMLGraph, mydraft.cc, Brainio, PlantText, Isoflow, Thortspace, textografo, Diagram.codes, GraphUp, Zen Flowchart, Cubetto, Core2D, Prototype Composer, Wireflow, GoVisual Diagram Editor, Vexlio, Graphity, Lovely Charts, Oqto Diagram, DroidDia, Fluid UI, Enterprise Explorer, SwordSoft Layout, fluidIA, Zen Mind Map, ProcessOn, Diagrammix, Diagramiq, Theory Maker, Diagrams for Mac, Cubetto Flow, Holori, hohli, ModelFoundry, EazyDraw, VSDConverter, Merge Plan, Heimer, Iplotz, VSDX Annotator are some alternatives to OmniGraffle.