Make waves with the Mermaid community
Explore real-world diagrams, customize them for your work, and share your own with the community.
Community-made templates, ready to use
From journey maps to system diagrams, see how others use Mermaid across different projects — and tailor them to fit your own.
CI/CD Pipeline Diagram
Ship with confidence. This template shows how code moves from a commit to customers —through source control, automated builds, testing, staging, and production — with clear hand-offs and helpful notifications along the way. Your whole team can read at a glance, whether you’re designing a new pipeline, documenting an existing one, or spotting where your deployment process could flow better.
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Entity Relationship Diagram
Visualize how your database pieces fit together. This template maps the relationships between different data entities — showing what information each table holds, how tables connect to each other, and the type of relationships that exist. It's essential for anyone building or documenting databases, helping developers understand data structure, identifying missing connections, or planning migrations.
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Login Sequence Diagram
Map every step of user authentication. This template shows the back-and-forth between a user, your login interface, validation logic, and database — making it clear where credentials are checked, how responses flow back, and what happens after successful authentication. It's a straightforward way to document login flows, debug authentication issues, or explain security processes to your team without getting lost in technical specs.
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Circular Org Chart Template (Mind Map)
Show your team structure without the hierarchy. This template puts a leader or team at the center, with members arranged around them — great for flat organizations, small teams, committees, project pods, or advisory boards. It’s fast to edit, easy to share, and stays readable even as roles change.
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Workflow Diagram
Map how work actually moves through your team. This template shows how ideas are scored, communicated, researched, prioritized, and either promoted to the roadmap or parked — with explicit decision points and feedback loops. It helps teams stay aligned on next steps, understand why decisions were made, and onboard new members without endless meetings.
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ERD Blogging System
Design the database backbone of a content platform. This template maps all the data relationships needed for a blogging system — from users creating posts, to comments and categories organizing content, to tags and file attachments enriching articles. It helps teams build scalable content systems, plan migrations, or understand existing blog platforms without getting lost in complex queries.
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UML Class Messaging System
Map the structure of a messaging system from the ground up. This template lays out core entities — conversations, messages, users/contacts, channels, attachments, and notifications — plus how they relate. It’s a solid starting point for API design, data modeling, and implementation planning.
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ERD Educational Learning Management System
Build the database structure for online learning. This template maps the complete LMS data architecture — from instructors creating courses, through student enrollments and assignments, to grading and feedback. It helps teams build custom learning platforms, integrate with existing LMS systems, or plan educational technology solutions that scale.
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