Sylvain Lesage

Importing an Observable notebook into a standalone application

Data visualization on pesticides in drinking water in Brazil

Useful resources for using the Parquet format

📦 🔍 👀   A comparison tool to compare JavaScript data grid and spreadsheet libraries

A curated collection of grid cartograms

Public site

Byte-precise CSV parser.

A mini-app to test how browsers handle scroll resolution

Export airtable tables to json/geojson on Github

Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input

Source Cooperative Web Interface & API

The Website and web infrastructure for learning TypeScript

Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

An extensible framework for linking databases and interactive views.

Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions

Rust-based WebAssembly bindings to read and write Apache Parquet data

parliament / congress / legislature charts simplified

Zoom in a data file as a ribbon

A test to try the npm workspaces, in particular publishing packages to npm.

Blog

A static react app, deployed to Hugging Face