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Write together. Ship on Cloudflare.

A block editor with real-time collaboration, nested pages, full-text search, and AI writing help that stays out of the way. Runs entirely on Cloudflare Workers.

Invite only — ask your teammate for a link Sign in

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bland.tools

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My workspace

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))}

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Architecture

The platform runs on Cloudflare Workers with Durable Objects for real-time document collaboration.{" "} Rachel {" "} Each document is a lightweight server that handles WebSocket connections, Yjs sync, and persistence.

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                      export class{" "}
                      DocSync extends{" "}
                      YServer {"{"}
                      {"\n  "}
                      async onSave
                      {"() { "}
                      /* ... */
                      {" }"}
                      {"\n}"}

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Real-time collaboration

One Durable Object per document. Yjs-powered presence, live cursors, awareness — the document{" "} is the server. No broker, no third-party sync service, no drift.

Alex · line 4 Rachel · commented Sam · idle

The Worker routes each connection to a matching{" "} Alex {" "} Durable Object that holds the Yjs document in memory, fans updates to every connected client, and persists to SQLite on save.{" "} Rachel

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AI writing help

Workers AI

Select a paragraph, pick an intent, accept the edit. Streams into the editor — and keeps quiet about it.

Each document is{" "} its own{" "} lightwieght {" "} server handling WebSocket connections .

{[ { label: "Proofread", desc: "Fix grammar & spelling", active: true }, { label: "Formal", desc: "More professional tone" }, { label: "Casual", desc: "More conversational" }, { label: "Simplify", desc: "Easier to read" }, ].map(({ label, desc, active }) => (

{label}

))}

/ai continues at the cursor
Summarize asks the page a follow-up

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Full-text search

FTS5-powered instant search across every page in the workspace.

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{[ { title: "Architecture", match: "…Durable Objects for real-time…" }, { title: "Workers API", match: "…each Durable Object handles…" }, { title: "Data Model", match: "…Object storage and D1…" }, ].map((r) => (

{r.match}

))}

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Rich block editor

Headings, lists, code blocks with syntax highlighting, tables, images, toggles, and more — all from a slash menu.

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Code

                    const doc ={" "}
                    new Y.Doc()

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Tasks

✓ Set up D1 schema

Wire search indexer

Deploy to prod

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Table

Binding	Type
DB	D1
R2	Bucket
DocSync	DO

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{name}: {role}