adamrice

https://www.chuuchuu.com/

Calculates train travel time, taking into account historical delays.

https://justaqrcode.com/

Does not install any redirects or trackers in the code

https://mapdirector.com/

gives "cinematic flyovers" of GPX tracks

https://anagrams.io/

Generates color schemes, etc.

https://colordesigner.io/

https://sherpa-map.com/

Place to buy and sell used outdoor gear.

https://outandbackoutdoor.com/

https://maps.openrouteservice.org/#/place/@-97.68519401550294,30.300204479391056,14

Another route-designing webapp

https://onthegomap.com/#/create

Pretty slick route-making tool. Not quite as full-featured as Ride with GPS.

https://www.visor.vin/

Search for cars on sale everywhere

https://veloplanner.com/

"puts the world's official, signposted routes in one place. Download GPX files, access detailed route information, and plan your next ride with confidence."

https://www.bikegeardatabase.com/

Focuses on bikepacking

https://moderncss.dev/

…for old CSS problems

https://smolcss.dev/

Simple recipes for typical layout operations

https://www.scienceandsociety.co.uk/index.asp

Halftone generator. Many options

https://m.writtensound.com/index.php

https://kleur.werkvanbart.nl/halftone/index.html

https://standardebooks.org/

A website for sharing tabular data

https://csvbase.com/

https://github.com/joaovitoriasilva/endurain

Self-hosted Strava alternative

https://kaiscissors.com/

Supposedly very good scissors

https://www.keybot.com/

Searches over paired-language websites

https://drivetrainbuilder.com/

Shows compatibility of different drivetrain parts

https://mjml.io/

A markup language that compiles to html that works in e-mail clients.

https://atxlibrary.musicat.co/

Music by Austin artists streamed by the Austin Public Library

https://annas-archive.org/

"The largest truly open library in human history. We mirror Sci-Hub and LibGen. We scrape and open-source Z-Lib, DuXiu, and more. 37,668,190 books, 105,786,988 papers — preserved forever."

https://tally.so/?version=6

Looks slick

https://public.work/

Public domain image search engine

https://roadway.report/beta

Places traffic deaths on the map

https://www.digitaldrumbeat.com/p/the-big-list-of-resources-about-project

Interesting front-loader design with equal size wheels and no middle head tube.