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Docs · Engines

Pikchr

Compatible with Pikchr (SQLite / Fossil)

Text-based diagrams from the author of SQLite. Compact algebra of boxes, arrows, ovals, splines — perfect for documentation. Renders via Kroki, no install required.

Architectural composition of precision sculptural forms
Templates
15
Source language
pikchr
Workstation
Studio
Engine id
pikchr
Open in Studio Upstream docs

In the same space

Most users come to Pikchr from AsciiFlow or PIC. flowss runs this engine in the browser — no install, shareable via URL, exportable to PNG / SVG / PDF / source.

Syntax at a glance

box "Client"
arrow right
box "Server"

Paste this in the Studio code pane to see Pikchr render live. The full grammar is at the upstream-docs link above.

Sample templates

All 15 →
flow
Hello Pikchr

Minimal box → arrow → oval flow — the canonical intro.

architecture
Three-tier web app

Browser → web → app → DB, positioned with Pikchr's relative coords.

architecture
Pub/sub topology

Producer → broker → multiple subscribers.

uml
Traffic-light state machine

Red → Green → Yellow → Red cycle.

uml
Sequence (call/response)

Two lifelines with an HTTP request and response.

data
Mini ER diagram

Customer 1 — * Order * — 1 Product

Engine reference: pikchr · ← Browse all engines · Quick-start guide