Laying out the streets…STEP 1 OF 3

CastWorkshop · Office #43,353

Create AI characters, stories & videos. All on your machine

In the AI companions and character chat neighborhood (AI and agents). In town since 17 Oct 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.

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What Tablif read on CastWorkshop's site

CastWorkshop describes itself as: “CastWorkshop — Your cast. Your stories. Your Machine.”

What it is

Calls itself “workspace”.

  • Calls itself: workspace
“CastWorkshop is an open-source, local-first workspace for creating persistent AI characters.”

Where it puts itself

Rules out “universal GPU or operating-system compatibility”.

  • Says it will not: universal GPU or operating-system compatibility
“Generative media tools are good at creating individual outputs. The harder problem is keeping a character recognizable as their circumstances change.”
“CastWorkshop does not claim universal GPU or operating-system compatibility, perfect character consistency, perfect lip sync, or production-ready public deployment.”

What it costs

No free plan.

  • Free plan: no
“CastWorkshop is an independent open-source project licensed under Apache 2.0.”

Who it sells to

Sells to developers. Made for developers.

  • Sells to: developers
  • Made for: developers
“The public source beta is aimed at local-AI users, generative-media creators, developers, and people interested in persistent AI character workflows.”

How it runs

A web app for Windows. Runs locally and works offline. Open source. AI is the core of the product.

  • Kind: web
  • Runs on: Windows
  • Runs where: on the device, offline
  • Open source: yes
  • AI role: core to the product
“Web + optional Telegram”
“Testing has primarily been performed on a Windows 11 system with an NVIDIA GPU.”

What it works with

Runs inside Telegram and Windows 11. Built on ComfyUI and Ollama. Names MOSS, NVIDIA and 2 more on its pages.

  • Runs inside: Telegram · Windows 11
  • Built on: ComfyUI · Ollama
  • Names: MOSS · NVIDIA · Python · +1
“Bring multiple characters together, direct their dialogue, and continue the story on your own machine with Python, Ollama, and ComfyUI.”
“Character voice MOSS Creates and maintains character voice references for speech generation.”

What it offers as proof

In beta. Publishes docs.

  • Stage: beta
“Now in public beta; install from source.”
“Install from source; a packaged GitHub Release is not yet published.”

Sources

Tablif read these pages, last on 17 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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