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Collab Board

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Collab Board

Collaborative kanban with no backend. An offline-first kanban and whiteboard. Open a board in two tabs: cards, cursors and "who is editing" sync instantly, and the CRDT merges edits made offline.

Status:
Early Access
Developer:
Kirill Levin
Publisher:
usertrv.dev

Tags:

Angular 22YjsIndexedDBPWA

Play Collab Board

Runs in the browser, nothing to install

Free
Play

Source code

Public repository on GitHub

GitHub
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About this game

Collaborative kanban with no backend

An offline-first kanban and whiteboard. Open a board in two tabs: cards, cursors and "who is editing" sync instantly, and the CRDT merges edits made offline.

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Collab Board

usertrv Collab Board

Collaborative kanban with no backend. An offline-first kanban and whiteboard. Open a board in two tabs: cards, cursors and "who is editing" sync instantly, and the CRDT merges edits made offline.

#Angular22#Yjs#IndexedDB#PWA

Open demoCode on GitHub

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Collab Board

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Collab Board

Kirill Levin• 4 tracks

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Collaborative kanban with no backend. An offline-first kanban and whiteboard. Open a board in two tabs: cards, cursors and "who is editing" sync instantly, and the CRDT merges edits made offline.

  1. 1Angular 22Kirill Levin
  2. 2YjsKirill Levin
  3. 3IndexedDBKirill Levin
  4. 4PWAKirill Levin

© 2026 Kirill Levin

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Demo

Collab Board

DemoAngular 22 • Yjs • IndexedDB • PWAHD

Collaborative kanban with no backend. An offline-first kanban and whiteboard. Open a board in two tabs: cards, cursors and "who is editing" sync instantly, and the CRDT merges edits made offline.

PlayCode

About Collab Board

Creator:
Kirill Levin
Genres:
Angular 22, Yjs, IndexedDB, PWA
Status:
Early access

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RU
usertrv.dev/projects/collab-board/
← All projectsCollab Board

Collab Board

Collaborative kanban with no backend

An offline-first kanban and whiteboard. Open a board in two tabs: cards, cursors and "who is editing" sync instantly, and the CRDT merges edits made offline.

  • Angular 22
  • Yjs
  • IndexedDB
  • PWA
Open demoCode on GitHub

Runs in the browser, nothing to install · Author: Kirill Levin

Other projects

7 items

kirill — -zsh — 80×24

Type help to see the list of commands.

kirill@usertrv ~ % whoami

Kirill Levin (usertrv) — frontend engineer

Saint Petersburg · 5+ years · remote, hybrid, office

Open to offers.

kirill@usertrv ~ % cat skills.txt | head

Angular 5+ yrs, v14–22

TypeScript 5+ yrs

JavaScript 5+ yrs

RxJS 5+ yrs

NGXS state factories

Angular Signals panel migration

Typed Forms every form in the app

Nx module boundaries

SCSS responsive, dark theme

ESLint custom rules

usertrv.dev

Portfolio of Kirill Levin

Title
Kirill Levin
Nickname
usertrv
Genre
Frontend, architecture
City
Saint Petersburg
Experience
5+ years
Format
remote, hybrid, office

This site is not affiliated with Apple Inc. or Microsoft Corporation. All trademarks belong to their respective owners.

© 2026 Kirill Levin

This site is not affiliated with Apple Inc. or Microsoft Corporation. All trademarks belong to their respective owners. © 2026 Kirill Levin

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In the browser

Collab Board

Collaborative kanban with no backend

Play

About the game

Collaborative kanban with no backend. An offline-first kanban and whiteboard. Open a board in two tabs: cards, cursors and "who is editing" sync instantly, and the CRDT merges edits made offline.

Genres

  • Angular 22
  • Yjs
  • IndexedDB
  • PWA
Developer
Kirill Levin
Code
userTrv/collab-board

Other games

Article
ReadView history

Collab Board

From usertrv, the free encyclopedia

Collab Board
Collab BoardCollaborative kanban with no backend
DeveloperKirill Levin
GenreCollaborative kanban with no backend
Platformweb browser
Modesingle-player / demo
TechnologiesAngular 22, Yjs, IndexedDB, PWA
RepositoryuserTrv/collab-board
Open demo

Collab Board is a pet project by Kirill Levin. Collaborative kanban with no backend.

Overview

An offline-first kanban and whiteboard. Open a board in two tabs: cards, cursors and "who is editing" sync instantly, and the CRDT merges edits made offline.

Technology

Built with:

  • Angular 22
  • Yjs
  • IndexedDB
  • PWA

Demo

The live demo runs right in the browser: /projects/collab-board/

See also

Categories:
  • Frontend engineers
  • People from Saint Petersburg
  • Angular developers
  • Open to offers

Hire Kirill Levin

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