Laying out the streets…STEP 1 OF 3

Arcline · Office #62,705

Open-source diagram canvas you and your agent edit together.

In the Working with AI coding agents neighborhood (AI and agents). In town since 5 Nov 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on Arcline's site

Arcline describes itself as: “Arcline Open-source diagram canvas you and your agent edit together.”

What it is

Calls itself “diagram canvas”.

  • Calls itself: diagram canvas
“Arcline is a friendly, local-first diagram canvas for architecture and flow diagrams.”

Where it puts itself

Rules out “no account” and “no cloud”.

  • Says it will not: no account · no cloud
“No account, no cloud.”

What it costs

A free tier, free forever.

  • Free plan: free forever
“Free and open source.”

Who it sells to

Sells to developers.

  • Sells to: developers
“Arcline is a local-first diagram canvas for architecture, systems, and flows.”

How it runs

A command-line tool and web app. Runs locally and works offline. Offers an API. Open source. AI is the core of the product. You can bring your own API key.

  • Kind: cli · web
  • Runs where: on the device, offline
  • API: yes
  • Open source: yes
  • AI role: core to the product
  • Bring your own key: yes
“CLI for CI — render, validate, convert, discover, map, and drift-check diagrams from a terminal or a pull request.”
“Arcline is a local-first diagram canvas for architecture, systems, and flows.”

What it offers as proof

Live, no waitlist. Publishes docs.

“No account, no cloud.”
“…docs-site -> https://github.com/mknormal/Arcline/tree/main/docs-site”

Sources

Tablif read these pages, last on 5 Nov 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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