What is kepler.gl built with?

Q: Which repos have a stack like kepler.gl's?

The ones that share most of its stack: apache/superset, infiniflow/ragflow, and supabase/supabase.

kepler.gl is a TypeScript repo built with React. It makes its content with markdown-to-jsx, @loaders.gl/gltf, and @loaders.gl/csv, validates its data with prop-types and Zod, is tested with tape, sinon, Apache Arrow, deck.gl, Testing Library, and 8 more, and uses pyarrow, DuckDB, MCP, and sql.js. It has 421,871 written lines, with 345 test files.

Read on November 11, 2026, at commit 0caee84. Read it as markdown

The card says what it's built with. Its whole map opens it up: every part of the code and how it connects to the rest.

Frontend

The base 1

React594 files

Styles 3

styled-components275 files
@emotion/is-prop-valid1 file
classnames65 files

Interface 29

deck.gl74 files
dnd-kit17 files
@turf/helpers10 files
lexical8 files
@deck.gl/core7 files
d3-axis7 files
@floating-ui/react5 files
@dnd-kit/core3 files
@tippyjs/react3 files
react-virtualized3 files
D32 files
d3-color2 files

17 more

d3-interpolate2 files
d3-selection2 files
Mapbox2 files
MapLibre2 files
react-modal2 files
react-tooltip2 files
anywidget1 file
d3-delaunay1 file
monaco-editor1 file
Radix UI1 file
react-color1 file
react-resizable-panels1 file
luma.gl23 files
@math.gl/web-mercator15 files
react-map-gl4 files
react-copy-to-clipboard2 files
supercluster1 file

Icons 1

Lucide11 files

Backend

Data 4

Apache Arrow34 files
DuckDB2 files
sql.js2 files
pyarrow1 file

Services 1

MCP1 file · src/mcp/src/server/stdio.ts, line 19

Support

Testing 13

Testing Library53 files
sinon49 files
Apache Arrow19 files
deck.gl16 files
D32 files
jsdom1 file
tape127 files
redux-mock-store12 files
@math.gl/web-mercator3 files
@probe.gl/test-utils3 files
assert2 files
supercluster2 files

1 more

@luma.gl/constants1 file

Tools 8

@anywidget/types1 file
babel1 file
Babel1 file
ESLint1 file
TypeScript1 file
Webpack1 file
webpack-bundle-analyzer1 file
madge1 file

Content 4

markdown-to-jsx5 files
D32 files
@loaders.gl/csv1 file
@loaders.gl/gltf1 file

Validation 2

Zod23 files
prop-types47 files

Other 39

es-toolkit78 files
react-intl73 files
react-redux29 files
D327 files
moment15 files
reselect15 files
Redux13 files
@loaders.gl/core10 files
@reduxjs/toolkit8 files
moment-timezone7 files
zarrita5 files
@geoarrow/geoarrow-js4 files

27 more

d3-array3 files
a5-js2 files
d3-time2 files
GeoPandas2 files
zustand2 files
Babel1 file
Immer1 file
Mapbox1 file
s2-geometry1 file
global59 files
copy-to-clipboard9 files
redux-actions7 files
@math.gl/core6 files
h3-js5 files
deepmerge3 files
suncalc2 files
@paralleldrive/cuid21 file
buffer1 file
chroma-js1 file
decimal.js1 file
fuzzy1 file
long1 file
pbf1 file
redux-logger1 file
resize-observer-polyfill1 file
traitlets1 file
ws1 file

Other repos with a similar stack

Ordered by how much of its stack they share with kepler.gl, then by stars.

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Frequently asked questions

What language is kepler.gl written in?

kepler.gl is written in TypeScript, with 421,871 written lines.

What framework does kepler.gl use?

kepler.gl is built with React.

What services does kepler.gl use?

kepler.gl uses pyarrow, DuckDB, MCP, and sql.js.

Does kepler.gl have tests?

Yes. kepler.gl has 345 test files and is tested with tape, sinon, Apache Arrow, deck.gl, Testing Library, redux-mock-store, @math.gl/web-mercator, @probe.gl/test-utils, D3, @luma.gl/constants, jsdom, supercluster, and assert.

Which repos have a stack like kepler.gl's?

The ones that share most of its stack:apache/superset infiniflow/ragflow supabase/supabase