The KeyLines Toolkit

The JavaScript toolkit for graph visualization

Build game-changing graph visualization products that turn connected data into insight.

Harness JavaScript’s power and flexibility to quickly and easily build graph visualization applications that can be deployed anywhere, to anyone.

It’s a completely flexible way to build your graph visualization application.

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Are you using React? Check out ReGraph

connected world

Uncover insight, understand threat

Connected data is everywhere. It’s in financial transactions, communications records, IT networks and beyond. The best way to understand it is to visualize it.

Applications built with KeyLines offer new ways to join the dots in your data, revealing threats and hidden insight.

Who needs to visualize connected data?


“For us, our investment in KeyLines was money wisely spent on a fantastic tool, backed by incredible and proactive development and support team.”

David Wilson, Become Education


KeyLines is

A flexible toolkit

The KeyLines toolkit lets you design applications specifically for your users, your data and the questions you need to answer.

It fits with any browser, device, server or database. It comes with step-by-step tutorials, interactive demos and a clearly documented API. Combined with our developer support, you’ll be uncovering graph insight in no time.

Building with the KeyLines toolkit


A powerful visualization engine

KeyLines makes it easy to build high-performance graph visualization applications that work anywhere.

They harness HTML5 and WebGL graphics rendering and thoughtfully crafted code to give users a fast and insightful visualization experience.

The scalable solution

Graph visualization works best when shared.

Applications built with KeyLines are powered by modern web technologies and can be easily rolled into other tools and deployed to anyone, wherever they are.

Are you ready to get started?

Try KeyLines

Trusted by

Our customers span six continents. They range from pioneering startups to Fortune 500 companies and national governments.

Meet our customers

A new SDK, new demos & a new link style - July updates

July’s toolkit updates: ReGraph v1.0, a KeyLines & Azure Cosmos DB integration demo, and inline link labels for clearer charts.

Adaptive graphs and flow visualization - June updates

Our toolkit updates for June include adaptive graph styling, showing flow on links, and the organic layout moving to its beta development phase.

How WebGL powers the best user experience

Let's focus on WebGL - what it is, how it works, and why performance is a key contributor to one of the most important goals of your application design: good user experience.