Compare software

Msc-generator vs Mermaid: catalog facts
Msc-generator	Mermaid
Free Free and open source under the GNU AGPLv3 license.	Free Free and open source under the MIT licence.
Command line	Web, Command line
Generates multiple diagram types from text input Includes a graphical interface	Diagrams are plain text, so they diff and review like code Rendered natively by GitHub, GitLab and most documentation generators
It generates signalling charts, block diagrams, and graphs from text input.	Layout is automatic, so fine control over positioning is limited Complex diagrams become hard to read in source form
Downloadable app	Web application, Downloadable app
Open source	Open source
License: AGPL-3.0-or-later	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.