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React components to build dashboards

35+ fully open-source, accessible components for dashboards and charts. Built with React, Tailwind CSS and Radix UI.

Built forReactTailwind CSS

Portfolio Value

$25.00

Beautiful defaults, and simple props for every component

We already pushed the pixels so that you can focus on data. Customize quickly, spend less time on design.

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Accessible by design

Built on Recharts and Radix UI, Tremor provides the essentials for production-ready UI.

5575

Build the most complex filters

Modular input components for better interaction with your data, with full support for keyboard navigation.

example.com

99.9% uptime

Advanced visualizations

Tracker, Bar Lists, and many more components to visualize complex use cases gracefully.

Tremor Blocks & Templates

Production-ready templates to launch tomorrow

Carefully crafted templates built by experts with the latest technology stack based on React and Next.js. Get templates for anything to build and launch your idea.

Customer voices on X (formely twitter)

Leading developers build with Tremor

  • Tremor makes it so easy to build beautiful dashboards. The ReactJS / Next.js ecosystem just keeps getting better and better.

    X (formerly Twitter) profile picture of user Guillermo Rauch
    CEO @ Vercel
  • tremor.so is dope

    X (formerly Twitter) profile picture of user Peer Richelsen
    Co-Founder @ Cal.com
  • Made quite some progress in the last week. Huge thanks @tremorlabs for saving me weeks of creating custom components.

    X (formerly Twitter) profile picture of user Eyk Rehbein
    Senior Software Engineer @ Sonic
  • Love how clean the dashboard library from @tremorlabs is.

    X (formerly Twitter) profile picture of user Anthony Morris
    Senior Software Engineer @ Stripe
  • We've loved working with the @tremorlabs team and contributing to the project. It's moving fast and they're releasing really meaningful changes. We expect to continue working with Tremor on additional starter kits like this one.

    X (formerly Twitter) profile picture of user Tinybird
    Data platform provider
  • Creating dashboards quickly with @tremorlabs

    X (formerly Twitter) profile picture of user Drew Bredvick
    Sales Engineering Manager @ Vercel
  • I am in love with the @tremorlabs viz library & we've been working to adopt it in our Starter Kits.

    X (formerly Twitter) profile picture of user Alasdair Brown
    DevRel Lead @ Tinybird
  • Tremor looks interesting. Cool React components to build dashboards tremor.so

    X (formerly Twitter) profile picture of user Flavio Copes
    Creator of Bootcamp.dev
  • Fantastic set of UI modular components @tremorlabs to build dashboards with React. It comes with pre-built modular KPI cards.

    X (formerly Twitter) profile picture of user Andrej Baranovskij
    Founder @ Katanaml.io
  • Super excited to see the Tremor release, Looking forward to using it in my side projects and maybe internally at Mentimeter :) it looks fantastic

    X (formerly Twitter) profile picture of user Geordi Dearns
    Engineering Manager @ Mentimeter

Get started in seconds

Copy-and-paste or NPM package? We have it.

// Tremor DonutChart [v0.0.0]
import React from "react"import {  Pie,  PieChart as ReChartsDonutChart,  ResponsiveContainer,  Sector,  Tooltip,} from "recharts"
import {  AvailableChartColors,  AvailableChartColorsKeys,  constructCategoryColors,  getColorClassName,} from "@/lib/chartUtils"import { cx } from "@/lib/utils"
const sumNumericArray = (arr: number[]): number =>  arr.reduce((sum, num) => sum + num, 0)
const parseData = (  data: Record<string, any>[],  categoryColors: Map<string, AvailableChartColorsKeys>,  category: string,) =>  data.map((dataPoint) => ({    ...dataPoint,    color: categoryColors.get(dataPoint[category]) || AvailableChartColors[0],    className: getColorClassName(      categoryColors.get(dataPoint[category]) || AvailableChartColors[0],      "fill",    ),  }))
const calculateDefaultLabel = (data: any[], valueKey: string): number =>  sumNumericArray(data.map((dataPoint) => dataPoint[valueKey]))
const parseLabelInput = (  labelInput: string | undefined,  valueFormatter: (value: number) => string,  data: any[],  valueKey: string,): string => labelInput || valueFormatter(calculateDefaultLabel(data, valueKey))
//#region Tooltip
type TooltipProps = Pick<ChartTooltipProps, "active" | "payload">
type PayloadItem = {  category: string  value: number  color: AvailableChartColorsKeys}
interface ChartTooltipProps {  active: boolean | undefined  payload: PayloadItem[]  valueFormatter: (value: number) => string}
const ChartTooltip = ({  active,  payload,  valueFormatter,}: ChartTooltipProps) => {  if (active && payload && payload.length) {    return (      <div        className={cx(          // base          "rounded-md border text-sm shadow-md",          // border color          "border-gray-200 dark:border-gray-800",          // background color          "bg-white dark:bg-gray-950",        )}      >        <div className={cx("space-y-1 px-4 py-2")}>          {payload.map(({ value, category, color }, index) => (            <div              key={`id-${index}`}              className="flex items-center justify-between space-x-8"            >              <div className="flex items-center space-x-2">                <span                  aria-hidden="true"                  className={cx(                    "size-2 shrink-0 rounded-full",                    getColorClassName(color, "bg"),                  )}                />                <p                  className={cx(                    // base                    "whitespace-nowrap text-right",                    // text col dark:text-gray-500or                    "text-gray-700 dark:text-gray-300",                  )}                >                  {category}                </p>              </div>              <p                className={cx(                  // base                  "whitespace-nowrap text-right font-medium tabular-nums",                  // text color                  "text-gray-900 dark:text-gray-50",                )}              >                {valueFormatter(value)}              </p>            </div>          ))}        </div>      </div>    )  }  return null}
const renderInactiveShape = (props: any) => {  const { cx, cy, innerRadius, outerRadius, startAngle, endAngle, className } =    props
  return (    <Sector      cx={cx}      cy={cy}      innerRadius={innerRadius}      outerRadius={outerRadius}      startAngle={startAngle}      endAngle={endAngle}      className={className}      fill=""      opacity={0.3}      style={{ outline: "none" }}    />  )}
type DonutChartVariant = "donut" | "pie"
type BaseEventProps = {  eventType: "sector"  categoryClicked: string  [key: string]: number | string}
type DonutChartEventProps = BaseEventProps | null | undefined
interface DonutChartProps extends React.HTMLAttributes<HTMLDivElement> {  data: Record<string, any>[]  category: string  value: string  colors?: AvailableChartColorsKeys[]  variant?: DonutChartVariant  valueFormatter?: (value: number) => string  label?: string  showLabel?: boolean  showTooltip?: boolean  onValueChange?: (value: DonutChartEventProps) => void  tooltipCallback?: (tooltipCallbackContent: TooltipProps) => void  customTooltip?: React.ComponentType<TooltipProps>}
const DonutChart = React.forwardRef<HTMLDivElement, DonutChartProps>(  (    {      data = [],      value,      category,      colors = AvailableChartColors,      variant = "donut",      valueFormatter = (value: number) => value.toString(),      label,      showLabel = false,      showTooltip = true,      onValueChange,      tooltipCallback,      customTooltip,      className,      ...other    },    forwardedRef,  ) => {    const CustomTooltip = customTooltip    const [activeIndex, setActiveIndex] = React.useState<number | undefined>(      undefined,    )    const isDonut = variant === "donut"    const parsedLabelInput = parseLabelInput(label, valueFormatter, data, value)
    const categories = Array.from(new Set(data.map((item) => item[category])))    const categoryColors = constructCategoryColors(categories, colors)
    const prevActiveRef = React.useRef<boolean | undefined>(undefined)    const prevCategoryRef = React.useRef<string | undefined>(undefined)
    const handleShapeClick = (      data: any,      index: number,      event: React.MouseEvent,    ) => {      event.stopPropagation()      if (!onValueChange) return
      if (activeIndex === index) {        setActiveIndex(undefined)        onValueChange(null)      } else {        setActiveIndex(index)        onValueChange({          eventType: "sector",          categoryClicked: data.payload[category],          ...data.payload,        })      }    }
    return (      <div ref={forwardedRef} className={cx("h-40 w-40", className)} {...other}>        <ResponsiveContainer className="size-full">          <ReChartsDonutChart            onClick={              onValueChange && activeIndex !== undefined                ? () => {                    setActiveIndex(undefined)                    onValueChange(null)                  }                : undefined            }            margin={{ top: 0, left: 0, right: 0, bottom: 0 }}          >            {showLabel && isDonut && (              <text                className="fill-gray-700 dark:fill-gray-300"                x="50%"                y="50%"                textAnchor="middle"                dominantBaseline="middle"              >                {parsedLabelInput}              </text>            )}            <Pie              className={cx(                "stroke-white dark:stroke-gray-950 [&_.recharts-pie-sector]:outline-none",                onValueChange ? "cursor-pointer" : "cursor-default",              )}              data={parseData(data, categoryColors, category)}              cx="50%"              cy="50%"              startAngle={90}              endAngle={-270}              innerRadius={isDonut ? "75%" : "0%"}              outerRadius="100%"              stroke=""              strokeLinejoin="round"              dataKey={value}              nameKey={category}              isAnimationActive={false}              onClick={handleShapeClick}              activeIndex={activeIndex}              inactiveShape={renderInactiveShape}              style={{ outline: "none" }}            />            {showTooltip && (              <Tooltip                wrapperStyle={{ outline: "none" }}                isAnimationActive={false}                content={({ active, payload }) => {                  const cleanPayload = payload                    ? payload.map((item: any) => ({                        category: item.payload[category],                        value: item.value,                        color: categoryColors.get(                          item.payload[category],                        ) as AvailableChartColorsKeys,                      }))                    : []
                  const payloadCategory: string = cleanPayload[0]?.category
                  if (                    tooltipCallback &&                    (active !== prevActiveRef.current ||                      payloadCategory !== prevCategoryRef.current)                  ) {                    tooltipCallback({                      active,                      payload: cleanPayload,                    })                    prevActiveRef.current = active                    prevCategoryRef.current = payloadCategory                  }
                  return showTooltip && active ? (                    CustomTooltip ? (                      <CustomTooltip active={active} payload={cleanPayload} />                    ) : (                      <ChartTooltip                        active={active}                        payload={cleanPayload}                        valueFormatter={valueFormatter}                      />                    )                  ) : null                }}              />            )}          </ReChartsDonutChart>        </ResponsiveContainer>      </div>    )  },)
DonutChart.displayName = "DonutChart"
export { DonutChart, type DonutChartEventProps, type TooltipProps }

Tremor copy-and-paste

Full customization with our copy-and-paste React components.

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    Block examples

import { DonutChart } from '@tremor/react';
export function DonutChartUsageExample() {  return (    <DonutChart      data={sales}      category="sales"      index="name"      valueFormatter={valueFormatter}      colors={['blue', 'cyan', 'indigo', 'violet', 'fuchsia']}      className="w-40"    />  );}

NPM Package

Get started quickly with a basic set of importable components.

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