T

tldraw

Open-source React whiteboard SDK with collaboration

Overview

Company Does Not Provide H-1B Sponsorship

tldraw provides an open-source whiteboard and infinite canvas SDK for React developers, enabling real-time collaborative spaces. It offers a drop-in React-based canvas with tools, services, and APIs, where the core SDK is free and open-source while enterprise features and support are available as paid options. It differentiates itself by combining an open-source core with a freemium model and a focus on React integration, making it easy to customize and extend for real-time collaboration. Its goal is to help developers seamlessly add customizable, scalable whiteboards and infinite canvases into their apps, with optional enterprise support.

Significant Headcount Growth

Work here?Claim your company

About tldraw

Simplify's Rating
Why tldraw is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Consumer SoftwareEnterprise SoftwareDesign

Company Size

11-50

Company Stage

Series A

Total Funding

$24.1M

Headquarters

London, United Kingdom

Founded

2022

Get referred to tldraw

See people who can refer or advise you

Simplify Jobs

Simplify's take

What believers are saying

  • tldraw reported $1 million first-year revenue and nearly $1 million in licenses by April 2025.
  • Weekly downloads reached 769,500 and GitHub stars hit 40,000 by September 2025.
  • The November 2026 blog shows active shipping across SDK 5.6, ChatGPT, and Codex integrations.

What critics are saying

  • September 2025 production license enforcement pushes teams toward Excalidraw, Fabric.js, or custom builds.
  • Commercial pricing is unpublished in 2026, complicating procurement and slowing enterprise conversion.
  • If developers reject license keys, tldraw’s open-source moat collapses into a hobby tool.

What makes tldraw unique

  • tldraw’s React canvas SDK powers embedded whiteboards, agents, and custom spatial workflows.
  • September 2025 license enforcement monetized production use without killing developer adoption.
  • October 2026 releases span ChatGPT, Codex, Cursor, offline desktop, and animation tooling.

Help us improve and share your feedback! Did you find this helpful?

Funding

Total Funding

$24.1M

Below

Industry Average

Funded Over

4 Rounds

Series A funding typically happens when a startup has a product and some customers, and now needs funding to scale. This money is usually used to grow the team, expand marketing, and improve the product. Venture capital firms are frequently the main investors here.
Series A Funding Comparison
Below Average

Industry standards

$15M
$8.2M
$10M
$15M
$30M

Benefits

  • Professional Development Budget

Growth & Insights and Company News

6 month growth

13%

1 year growth

8%

2 year growth

8%
tldraw
Jun 11th, 2025
tldraw raises $10M to build the infinite canvas for developers • tldraw Blog

Announcing new funding from Lux Capital, Definition, and more

tldraw
May 31st, 2024
tldraw raised another $2M

Today we announce the close of an insiders' extension round led by Amplify, Lux, and Tom Preston-Werner.

U.S. Securities and Exchange Commission
May 30th, 2024
SEC FORM D

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.The reader should not assume that the information is accurate and complete.

Tech.eu
Jan 19th, 2024
These Are The Fastest-Growing Open-Source Startups In Europe Q4 2023

Now entering its fourth year of publication, each quarter Runa Capital tabulates figures gleaned from GitHub and releases the Runa Open Source Startup (ROSS) Index, a global tracker of the fastest-growing open-source startups.In Q4 2023, European open-source startups accounted for 25 percent, arguably 30 percent, of the ROSS Index top 20 operators.These are the top five (six, including an honourable mention) fastest-growing open-source startups in Europe Q4 2023.1. Wasp — Zagreb, CroatiaY Combinator-backed Wasp is a programming language for building full-stack web applications including enterprise web apps with less code and best practices. The company was founded by Martin Sosic and Matija Sosic in 2020 and has raised $1.5 million from investors including HV Capital and Lunar Ventures.2. Tldraw — London, United KingdomTldraw is a collaborative whiteboard that requires no login. The app's blank canvas allows for the drawing of lines or objects, writing of text and insertion of media including images, videos, or GIFs. The free-to-use app was launched in 2021 and has raised $2.7 million in a Lux Capital-led seed round.3

TechCrunch
Dec 16th, 2022
TLDraw offers a collaborative whiteboard without any login

TLDraw is a free and open source whiteboard tool that lets users collaborate without any account and lets developers build on it.

Recently Posted Jobs

Sign up to get curated job recommendations

tldraw is Hiring for 1 Jobs on Simplify!

Find jobs on Simplify and start your career today

Don't see your dream role? Check out thousands of other roles on Simplify.Browse all jobs