01 · Chat + agent loop
A chat that does the work.
Streaming responses, slash commands, and tool calls you can watch happen. The agent loop plans, executes, and reports back — it answers questions, and it also finishes tasks.
Cloud — your own private cell
Self-hosted AI workspace
Open Fork
Yours for the voyage.
The AI workspace you own.
Chat and agents, a vibe-coding studio, parallel job orchestration, deep research, local model serving, email, documents. One workspace you own — in your own private cell in our cloud, on your desktop, or on your servers. Your models, your hardware, your data.
$ download for Windows →
The workspace
Started as an AI chat. Became a workspace.
Open Fork puts an entire AI-native toolkit behind one sign-in. Every part shares the same models, memory, tools, and crew — and every part runs where you decide.
open fork · gallery — one of fifteen built-in apps
Flagship
Six reasons it replaces a browser full of tabs.
02 · Crew
Hire a crew, not a chatbot.
Create named crew members, each with their own persona, provider, and toolset. Put them to work in chat, inside the Builder, on scheduled tasks — even over WhatsApp.
Nix — research lead
Scout — inbox triage
Pixel — build agent
chatbuilderwhatsappscheduled
03 · Builder
Describe the app. Watch it ship.
A vibe-coding studio: say what you want and the agent scaffolds it, iterates with you, and renders a live preview beside a real terminal. Publish to an isolated hostname in one click — and roll back just as fast.
“a habit tracker with streaks”
$ publish ▸ habits.cell-you.ofork.dev ✓ live · rollback available
04 · Loom
Five jobs in parallel. Zero surprise merges.
A conversational orchestrator that fans work out to parallel agents — each in its own isolated git worktree with a live terminal and a hard budget cap. Every merge is held for your approval. Always.
worktree/job-1
running · $0.42 / $2.00 cap
running · $0.42 / $2.00 cap
worktree/job-2
tests passing
tests passing
worktree/job-3
awaiting review
awaiting review
05 · Deep Research
Hours of reading, returned as a report.
Kick off a multi-step research run and keep working. Open Fork gathers sources in the background, reads them, and delivers a cited, visual report — not a wall of links.
06 · Cookbook
The right model for the hardware you have.
Cookbook scans your machine and recommends models that actually fit your VRAM — from a catalogue of 270+ — then serves them in one click with vLLM or llama.cpp. On this box, or on a remote GPU over SSH.
detected
12 GB VRAM · 32 GB RAM
14B instruct · Q4 · 9.8 GBfits ▸ Serve
8B coder · Q5 · 6.1 GBfits ▸ Serve
70B · needs 38 GBremote GPU?
270+ catalogued models
The full deck
One sign-in. Fifteen apps.
Everything below ships in the box — no add-ons, no marketplace tiers.
Documents
Living documents you write with the model — then hit Run to preview sandboxed HTML apps and games inline.
Compare
One prompt, several models, blind voting. Let the answers compete before you commit.
brains / product-docs
142 documents · indexed
▸ ask_brain("refund policy?")
memory skills
Brains, Memory & Skills
Private knowledge containers for RAG, persistent memory across conversations, and skills the assistant writes for itself.
supplier@acme.courgent
team@studio.devdrafted
news@weekly.iofiled
Your real inbox over IMAP/SMTP, with AI triage and drafts in your voice.
Scheduled tasks & notes
Recurring agent runs, reminders, and notes that file themselves.
web search
shell
mcp · github
Tools & MCP
Built-in tools plus any MCP server you connect. Toggle each one, per chat.
Gallery & image editor
Generate images, then finish them in a full editor — no round-trips.
edit plan · remove silence
Video
Generate video, then let AI edit it: transcribe, cut, subtitle.
this week
caldav carddav
Calendar & contacts
CalDAV and CardDAV, beside your email, visible to your agents.
Make it yours.
Themes, density, layout — the workspace bends to you, not the reverse. This page is wearing the default One-Dark theme; it isn't the only one.
Run it anywhere
Three ways to run. The same workspace.
A private cell at ofork.dev.
- Single-tenant: your own container and row-level-secured database
- Isolated at cell-yourname.ofork.dev
- No public signup — accounts are provisioned for you
Windows, from a ZIP.
- Portable ZIP — unzip and run, no installer
- Postgres bundled, WebView2 shell
- Everything stays on your machine
macOS and Linux run via self-host today — instructions on the download page.
Docker or bare metal.
- Docker Compose or native install
- GPU overlays for NVIDIA; Metal on Apple Silicon
- Your box, your rules, your data
Every model, one roof
Frontier APIs, local weights, or both.
Connect OpenAI, Anthropic, xAI Grok, and Z.ai through a credential-isolating broker — your keys stay inside the boundary you run. Route to OpenRouter or Groq directly. Or skip APIs entirely and serve vLLM, llama.cpp, or Ollama on your own silicon. Mix and match per chat, per crew member, per task.
OpenAIAnthropicxAI GrokZ.aiOpenRouterGroq
provider brokercredentials isolated from the app
vLLMllama.cppOllama
Honest billing
Prepaid credits. Nothing else.
- no subscriptions
- You top up a credit balance when you choose. There is no plan to forget and no renewal to catch you.
- no card on file
- We don't store a payment method. During early access, top-ups are handled directly by your operator.
- local is free
- Models served on your own hardware are never metered. What runs on your silicon is yours, full stop.
Yours for the voyage.
Sign in if you have a cell. Ask us for one if you don't. Or take the desktop build and run it tonight.
$ download for Windows →