43 diagram types, text-first.

Box-and-line architecture with icons and boundaries.

People + software system + external dependencies (C4).

Apps/services/containers and their interactions (C4).

Components inside a container (C4).

Model-first architecture (elements + relationships + views).

Logical network map: VPC/VNet, subnets, gateways, firewalls.

Subnets/routers/switches in a compact text format.

Rack/unit layout for physical gear.

Time-ordered interactions between actors, services, or components showing message flow and lifelines.

Classes + relationships + fields.

States + transitions (lifecycle modelling).

Actors + use cases.

High-level components and their dependencies.

Runtime nodes + artifacts + connections.

Branch/merge commit flow.

Requirements + traceability relationships.

Hierarchical brainstorming map.

BPMN 2.0 process model (events, gateways, lanes).

General decision flow with branches and loops.

Step-by-step workflow; supports partitions (swimlanes).

Compact activity/workflow diagram DSL.

User steps with annotations/feelings.

Database schema visualization showing tables, columns, primary/foreign keys, and relationships between entities.

Directed or undirected graphs with custom node and edge styling.

Flow volumes between nodes/categories.

Declarative grammar-of-graphics approach for creating common chart types — bar, line, scatter, area, and more.

Full-control visualization specification for custom, interactive, and complex data visualizations.

Part-to-whole chart.

Lightweight bar/line charts in docs.

Chronological milestones.

Tasks over time with dependencies.

Columns with cards for WIP.

2x2 prioritization matrix.

Signal timing waveforms from WaveJSON.

Bit/byte field layouts for binary protocols.

Packet/header layout DSL.

Harness diagrams from YAML-like input.

Box-and-arrow diagrams with simple layout rules.

Diagrams drawn using ASCII characters (boxes, arrows, lines) that get rendered into clean SVG graphics.

Text DSL for small technical diagrams.

Unified Modeling Language diagrams for classes, objects, and structural relationships using text-based notation.

PGF/TikZ code rendered to SVG via LaTeX. Supports the full TikZ ecosystem for publication-quality technical illustrations.

Symbols generated from HDL modules/components.