diagrams.net (previously draw.io) is a free online diagram drawing application for workflow, BPM, org charts, UML, ER, network diagrams. No login or registration are required and features include the ability to save locally (including SVG), a range of stencils, .
diagrams.net vs SmartDraw opinions
Smartdraw allows automatic addition of blocks in flowchart in a simpler and with less clutter than draw.io
Good alternative for circuit diagrams and SLD for electrical networks.
Dia is a GTK+ based diagram creation program for Linux, Unix, Mac OS X and Windows released under the GPL license.
Dia vs SmartDraw opinions
Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.
Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.Discontinued
The last release/commit was in October 2019.
Pencil Project vs SmartDraw opinions
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.
Wireflow is free, online, real-time collaborative, open source tool for creating beautiful user flow prototypes.
Diagramo is an online flowchart software
- diagrams (create, edit and share)
- organization charts (create, edit and share)
- network diagrams (create, edit and share)
- graphs (create, edit and share).
Diagramo vs SmartDraw opinions
Easy tu use, flexible and free
ProcessMaker is a cost effective and easy to use open source business process management (BPM) or workflow software application. Workflow software such as ProcessMaker can assist organizations of any size with designing, automating and deploying business processes or workflows...
PathVisio is a free open-source pathway analysis and drawing software that allows drawing, editing and analysing biological pathways. It provides a basic set of features for pathway drawing, analysis and visualization. Additional features as plugins.
Circuit Diagram is a free application for making electronic circuit diagrams and exporting them as images. Design circuits online in your browser or using the desktop application.This app doesn't have any features at the moment.