Diagramium

All diagram types

Diagramium has twenty-five diagram types — pick one to open a blank canvas in the editor. Not sure where to start? Try a ready-made template, or read a narrated diagram — each one is a full step-by-step walkthrough you can also watch.

Sequence diagramHow systems and people talk over time — messages, lifelines, activation bars. Plays back step by step.Open editor → FlowchartSteps and decisions joined by smart arrows — the everyday map of any process.Open editor → Org chartWho reports to whom, auto-arranged as you build it.Open editor → State machineStates, transitions and the full UML pseudostate toolkit.Open editor → Mind mapBranch ideas out from a central topic — auto-balanced and colour-coded.Open editor → SwimlaneA flowchart split into lanes — one row per team, actor or department.Open editor → TimelineDated milestones along an axis — roadmaps, history, project plans.Open editor → Journey mapStages, actions and an emotion curve — the whole customer experience.Open editor → Process mapA business process end to end — tasks, gateways and hand-offs.Open editor → Decision treeBranch a question into options and outcomes — decisions made visible.Open editor → ArchitectureClients, services, queues and databases — how your system fits together.Open editor → Data flowHow data moves — external entities, processes and data stores.Open editor → NetworkRouters, switches, firewalls and hosts — your network topology.Open editor → FishboneCause and effect (Ishikawa) — group root causes into an effect.Open editor → Use caseUML use cases — actors, a system boundary, include and extend.Open editor → Threat modelSTRIDE threat model — components inside trust boundaries.Open editor → C4 modelContext, container and component diagrams — people, systems and containers with labelled relationships.Open editor → Concept mapConcepts joined by labelled linking phrases — every connection reads as a short sentence.Open editor → UML class diagramClasses with attributes and methods, wired with inheritance, composition and aggregation.Open editor → ER diagramEntity tables with keys and columns, related with crow's-foot cardinality.Open editor → SitemapYour website's pages as a hierarchical tree — build it fast in the text editor.Open editor → Kanban boardCards in columns (To Do / In Progress / Done) — drag them across to track work.Open editor → Venn diagramTwo or three overlapping sets with blended fills — drop labels into each region.Open editor → Gantt chartTask bars on a day/week grid with durations, %-complete and dependencies.Open editor → BPMNBusiness Process Model and Notation — typed events, tasks, gateways and sequence/message flows.Open editor →

Every type shares the same tools — drag on the canvas or type in the text editor, then press Present to play it back and export as PNG, SVG, GIF or video.