Apps similar to draw.io include Excalidraw, which is open source with a free version. Other options are LibreOffice - Draw, Dia, yEd Graph Editor and TreeSheets. There's no shortage of Diagram Editors like draw.io, with more than 100 alternatives for the web, Windows, Mac, Linux and iPad.
AxGlyph is a powerful interactive vector graph maker for multiple purposes. It can draw flow chart, mind map, circuit diagram, chemical experiments, coordinate graph, 3D objects and even animations. Still looking for a scientific graph tool? Let's try AxGlyph!
Vecta is a cloud-based collaborative diagramming tool that boosts productivity and increase effectiveness for team communication.
MonoSketch is a powerful ASCII sketching and diagramming app that lets you effortlessly transform your ideas into visually stunning designs.
Vexlio turns flowcharts, process maps, and diagrams into clickable, interactive visuals that can be shared with a link (no sign-in required to view).
The minimalistic online drawing app. It allows you to create visual notes (drawings) and organize them in the nested "drawing inside the drawing" structure for faster lookup. Allows creating fast sketches and visual notes. Exports sketches to PNG, JPG, SVG, and WEBP.
Ukraine
ShiftX is a collaborative tool, empowering teams to easily visualize, understand and improve how your business operates.
IYOPRO, Improve your Processes, is a professional online BPM and workflow system that utilizes the BPMN 2.0 standard.
Diagramo is an online flowchart software
United States
Drawy is a work-in-progress infinite whiteboard tool, which aims to be a native desktop alternative to the amazing web-based Excalidraw.
Germany
EU
Isoflow.io is a diagramming toolkit designed to clearly communicate your network architecture. It's great for producing visuals to support onboarding sessions, presentations and documentation.
United Kingdom
A Powerful idea processor.It's Open Source and Freeware. Create UML Diagrams, Network Diagrams, Flowcharts and many other types of diagrams with the versatile Dynamic Draw Software.
Diagramiq is an online app for creating Flowcharts, UML, BPMN, Network Diagrams, Decision Trees and more. It's blazing fast, intuitive and it has a wide-range of predefined shapes to get you started.
