Terrastruct : Terrastruct is a tool to create diagrams that excel at visually explaining complex systems, such as your organization's engineering architecture.
Mermaid : Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex d...
Rocket.Chat : Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
It is a great solution for communities and companies ...
Zulip : Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conve...
Penpot : Penpot is the first open-source design tool for design and code collaboration. Designers can create stunning designs, interactive prototypes, design s...
Virtual whiteboard for sketching hand-drawn like diagrams.
Collaborative and end-to-end encrypted.
ASCIIFlow Infinity : Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.
Azimutt : Azimutt is an Entity Relationship Diagram (ERD) targeting real world database schema (big & messy).
PlantUML : PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language
Diagrams : Diagrams lets you draw the cloud system architecture in Python code.
It was born for prototyping a new system architecture without any design tools. Y...
manifestR : manifestR is a bookmarklet, which you drag to your bookmarks bar. Then, when you visit any page, you can click the manifestR button, and it will creat...
Terrastruct : Terrastruct is a tool to create diagrams that excel at visually explaining complex systems, such as your organization's engineering architecture.