Virtual whiteboard for sketching hand-drawn like diagrams.
Collaborative and end-to-end encrypted.

Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. The main purpose of Mermaid is to help documentation catch up with development.

Diagrams lets you draw the cloud system architecture in Python code.

It was born for prototyping a new system architecture without any design tools. You can also describe or visualize the existing system architecture as well.

Diagram as Code allows you to track the architecture diagram changes in any version control system.

Diagrams currently supports six major providers: AWS, Azure, GCP, Kubernetes, Alibaba Cloud and Oracle Cloud. It now also supports On-Premise nodes as well as Programming Languages and Frameworks.

Terrastruct is a tool to create diagrams that excel at visually explaining complex systems, such as your organization's engineering architecture.

Convert plain text diagrams to images !

Kroki provides a unified API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag), C4 (with PlantUML), Ditaa, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, SvgBob and UMLet... and more to come!

Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.

PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language