Handles a lot of data reasonably (tried with 140k points).

"Simple, easy and free online tool for creating graphs and charts from xy scatter data directly from text, json, csv, graphreader, column- or row-based data. Customize your chart figure and generate beautiful graphs and plots with logarithimc axes, grid lines and exponential axis tics notation."

Full featured solution for your email server. Native implementation of the latest anti-spam methods, webmail and easy administration included.

Keywords: zhe humorous proposal to improve english by a german germanified closer languages

Real-Time Electricity Tracker - Data tools. A data tool by the International Energy Agency.

Keywords: renewables fraction generation demand type trade import export power net

Each recipe has ingredients which is also a recipe, follow them to make your food from scratch!

A calculator that can calculate the relative humidity based on temperature and water content

python, php, bash

Every mountain, building and tree shadow in the world simulated for any date and time

Interactive article explaining how sound works.

Keywords: blog post scroll example air pressure movement distance wave

Groen Brothers commercial spoof of an anti-mosquito laser system

french project for open source "real-time kinematic positioning" (RTK positioning)

Costs about 400 euros for the base station (called base) and mobile part (called rover), each.

Keywords: gps, subcentimeter, centimetre, centimeter, accuracy, accurate, precision, precise, coverage network, urban corridor

The easy-to-use getaway to historical maps in libraries around the world.

Public transport planner that can take "I can be dropped off / picked up" or "I have a bicycle with me" into account, as well as calculating isochrones

List/table of small/lightweight/tiny/slim js/javascript frameworks/libraries. Should need no build tools or transpilation or compiling/compilers

conlang

keywords: video camera stream obs screenshare screensharing

WallSmash is a completely free, multi-ball infite brick breaker game with global high scores. Compete with thousands of users for your spot on the leader board.

Guess the year real-world photos were taken. Test your history knowledge with a daily challenge featuring a new set of photos each day.

Revision where I know there is a source link for the "maximum exposure minutes" table, a second source with skin tones, and a link to the RIVM current UV status

RIVM current UV page: https://www.rivm.nl/zonkracht/zonkrachtwijzer

Table mapping skin tone and UV level to minutes of exposure: https://cdn.weeronline.nl/RuA9ue7F0/9f153e18b158fa448925150d86d88f00/WOL_Zonkracht-2024.png

keywords: sun radiation straling verbranden burn time minuten minutes

List of radio stations worldwide, open api, open data, popularity stats, genres, etc.

Sandspiel is a falling sand game that provides a relaxing and creative place to play with elements like sand, water, plant, and fire.