Everything in the catalog

Draws a railroad diagram of a regular expression so you can see how it parses.

Paste SQL and see column-level data lineage drawn as a graph across many database dialects.

Make sequence diagrams and swimlane process maps from simple text, shareable by link.

Editor for ASCII charts and diagrams intended for emails, READMEs and plain-text specs.

Turn a short text script of messages between participants into a sequence diagram.

Real-time shareable whiteboard that opens instantly without sign-up or installation.

Generates shaped, colored word clouds from pasted text or uploaded files; no registration.

Paste text to produce a customizable word cloud with adjustable fonts and colors.

Plots a JSON document as a physics-style graph where each node is an object, array or value, rendered locally.

Draws an ER diagram from SQL CREATE TABLE statements.

Charts exchange rate history for currency pairs.

Animates blocked matrix multiplication, highlighting which cells of A, B and C are active and the accumulator state.

Cards for unemployment rate, federal funds rate, GDP growth and consumer price index with a refresh button.

Japanese-language chart mapping temperature bands from deep cold to extreme heat to a blue-to-red color scale.

Takes a web page address and draws a word cloud of the words that appear most on it.

Enter comma-separated values to make a bar, line, pie, dot plot or histogram to print or save.

Visualizes protein structures in the browser.

Plots surfaces z = f(x, y) you can rotate.

Graphs equations in x and y, including implicit curves.

Shows how adding sine terms builds up a Fourier series.

Shades the region that satisfies one or more inequalities.

Drag a line on a graph to see its slope and equation change.

Maps bird species migration by month.

Evolving an agent's harness, not its model, on Harvey's LAB