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Timeline diagram

Lay out activities as bars along time, on rows, with the connections between them.

Diagram · origin tag generic/timeline · Business process & workflow notation

Availability

Availability per host
HostStateHow to get it
StandaloneAvailableInstall from v0.1.3826-alpha
DesktopNot yet releasedNot yet released
IntelliJ PlatformNot plannedNot planned
Visual Studio CodeNot plannedNot planned
EclipseNot plannedNot planned
ThinkRailNot plannedNot planned
NotionNot plannedNot planned
ClaudeNot plannedNot planned

What it is for

Timeline diagram (left-to-right, elements spanning begin→end on snap-to rows, bezier connections; `.tml` — Timeline Markup Language); `timeline-diagram` (specification removed from the tree; in history before `ece03c36`)

Why a specialized view helps

Time is the axis that matters; a dedicated timeline tool snaps elements to rows and dates, which a generic canvas leaves to the eye.

File formats

ExtensionFormatReadsWrites
.tml.tmlYesYes

Screenshots

Periods and moments on rows, the year ruler along the bottom, connections drawn; Toolbox showing Element and Moment. Nothing selected.

Standalone, at 9ebcbf4

What is visible: Periods and moments on rows, the year ruler along the bottom, connections drawn; Toolbox showing Element and Moment. Nothing selected.

Why it matters: Periods and moments sit on rows against a year ruler, with connections between them, so a multi-year roadmap shows what overlaps and what waits on what.

Licence: Apache-2.0

Background

  • Distinct from mermaid/gantt: placement is authored on both axes, not computed, and connections are arbitrary rather than scheduling dependencies

Focus areas

Sources