gregstoll.com

Welcome to my homepage! To contact me, email me at greg@gregstoll.com. I am available for freelance work - email me if you're interested.

My projects

Click on an image to show only projects using that language.

C++

Django

Haskell

JavaScript

PHP

Python

R

React

Ruby

Rust

SQL

TypeScript

Show all

Jump to

• Most popular
• Newest
• Interactive
• Interoperable
• Data
• webOS
• Mathy
• World of Warcraft
• Other

• Most popular:
  • Katrina Information Map - Jonathan Mendez and I worked on www.scipionus.com, which had a map where people could post information about Hurricane Katrina. It got some media attention. (BBC, Wired, Forbes, New York Times) I'm hosting a backup copy with the original data.
    Released 16-Sep-2005
  • Same-sex marriage map - Interactive map showing legality of same-sex marriage/civil unions in the United States.
    Updated 29-Aug-2019, released 31-Mar-2009
  • Baseball win expectancy finder (linked from FiveThirtyEight (search for "eighth inning"), The Washington Post, and more!) and other baseball statistics - My baseball statistic calculators. There you can find baseball win expectancy finder - you plug in the game situation and it will tell you what percentage of games that had that situation led to a win. You can also graph the running win expectancy throughout a whole baseball game. Or, you can find the expected number of runs per inning from a given situation.
    Released 22-Aug-2015
  • Float to Hex - A floating-point to hex converter.
    Updated 22-Oct-2016, released 8-Apr-2006
  • Mobile apps - my apps for Windows Phone, Windows 8, webOS, and Android
  • Jump to top
• Newest:
  • Name My Color - Find common names for colors!
    Released 19-Jul-2020
  • Population Centers - Find where to put things close to most of the US's population
    Released 13-Apr-2020
  • State Election Map - A map showing US election results by state.
    Updated 14-Dec-2020, released 14-Feb-2019
  • probabilityToFriendlyString - Library for making probabilities more intuitive by converting them to odds (i.e. 72.3% becomes "5 in 7")
    Released 29-Aug-2018
  • Odds in Pandemic: The Cure of Curing a Disease with Dice - Calculating the odds of rolling high enough with non-standard dice.
    Released 5-Mar-2018
  • Tournament Probabilities - A quick look at determining some intermediate probabilities for who will win a tournament.
    Released 30-Oct-2016
  • Clue Solver - Enter information from the game Clue and the solver will deduce information and do simulations to show where the cards likely are.
    Updated 19-Oct-2020, released 28-Oct-2007
  • All 30 MLB team names, logos, mascots ranked! - A rating of all Major League Baseball team names, logos, and mascots.
    Released 14-Oct-2015
  • Optimal TFS Gated Checkin Batching - How to optimally batch Microsoft's Team Foundation Server's gated checkins.
    Released 23-Jul-2015
  • Probabilities in the game Camel Up (or Camel Cup) - Some probability calculations related to the game Camel Up (or Camel Cup).
    Released 11-Jul-2015
  • World Cup: Advancing out of the Group Stage - Calculating how likely a team is to advance out of the World Cup group stage given their number of points.
    Released 8-Dec-2013
  • FitCalendar - Summarizing Fitbit data in a helpful way.
    Released 17-Mar-2012
  • Stock market returns - visualizing the average annual returns of the S&P 500 over time.
    Released 25-Jan-2011
  • LJ for WebOS - a LiveJournal client for WebOS devices (Palm Pre, Pixi, etc.), which used to be available on the Palm App Catalog.
    Released 31-Jan-2010
  • Determining home energy usage from temperature - using R to determine how our energy usage varies based on the temperature outside.
    Released 9-Nov-2009
  • Log Colorer - Coloring pointer values in a log and optionally replacing them with descriptions.
    Released 1-Sep-2009
  • Making GLSlideshow Show Comments - Making GLSlideshow show the comments from pictures in my gallery.
    Released 10-Aug-2009
  • Same-sex marriage map - Interactive map showing legality of same-sex marriage/civil unions in the United States.
    Updated 29-Aug-2019, released 31-Mar-2009
  • Benchmark analyzer - Automated analysis of benchmark data.
    Released 23-Feb-2009
  • Where's lunch? - A way to find good lunch spots near you!
    Released 25-Jan-2009
  • ThumbnailCopy Firefox Extension - A very simple Firefox extension to allow copying HTML from a thumbnail image.
    Updated 30-Nov-2017, released 3-Jan-2009
  • IsMyDataSignificant.com - A quick script to determine if a data set is significantly different than expected.
    Released 19-Dec-2008
  • Jump to top
• Interactive:
  • State Election Map - A map showing US election results by state.
    Updated 14-Dec-2020, released 14-Feb-2019
  • Pretty Pictures from Genetic Algorithms - Create and breed together pretty pictures.
    Released 17-Jul-2007
  • Interactive Maps - My Google map, done with the Google maps API. I also did a Yahoo! map, based on the Yahoo! maps API (which is now defunct).
    Released 3-Apr-2006
  • Same-sex marriage map - Interactive map showing legality of same-sex marriage/civil unions in the United States.
    Updated 29-Aug-2019, released 31-Mar-2009
  • Jump to top
• Interoperable:
  • FitCalendar - Summarizing Fitbit data in a helpful way.
    Released 17-Mar-2012
  • Making GLSlideshow Show Comments - Making GLSlideshow show the comments from pictures in my gallery.
    Released 10-Aug-2009
  • LiveJournal Backup - A way to backup your LiveJournal. See my backed-up journal (public posts only).
    Released 14-Jan-2007
  • Palm to Google Calendar - An interface to copy a Palm datebook to a Google Calendar, which is written mostly in Ruby.
    Released 16-Aug-2006
  • LJ Blog Adapter - A little utility to read posts from a private RSS feed and post them to LiveJournal.
    Released 21-Mar-2007
  • Jump to top
• Data:
  • State Election Map - A map showing US election results by state.
    Updated 14-Dec-2020, released 14-Feb-2019
  • IsMyDataSignificant.com - A quick script to determine if a data set is significantly different than expected.
    Released 19-Dec-2008
  • Same-sex marriage map - Interactive map showing legality of same-sex marriage/civil unions in the United States.
    Updated 29-Aug-2019, released 31-Mar-2009
  • Name My Color - Find common names for colors!
    Released 19-Jul-2020
  • iTunes Rating Analysis - Have an iPod? Use iTunes to manage your music? Get an analysis of your favorite albums and bands!
    Released 18-Nov-2007
  • Games Database - Searchable database of the games we own.
    Released 12-Aug-2009
  • Benchmark analyzer - Automated analysis of benchmark data.
    Released 23-Feb-2009
  • Congress Votes - A way of scoring US Representatives on their roll-call votes. My first project in Haskell!
    Released 22-Apr-2007
  • Baseball Statistics - My baseball statistic calculators. There you can find baseball win expectancy finder - you plug in the game situation and it will tell you what percentage of games that had that situation led to a win. You can also graph the running win expectancy throughout a whole baseball game. Or, you can find the expected number of runs per inning from a given situation.
    Released 22-Aug-2015
  • Netflix Prize - My code for competing in the Netflix Prize.
    Released 6-Nov-2006
  • Jump to top
• webOS:
  • See my webOS apps
• Mathy:
  • Clue Solver - Enter information from the game Clue and the solver will deduce information and do simulations to show where the cards likely are.
    Updated 19-Oct-2020, released 28-Oct-2007
  • Stock market returns - visualizing the average annual returns of the S&P 500 over time.
    Released 25-Jan-2011
  • probabilityToFriendlyString - Library for making probabilities more intuitive by converting them to odds (i.e. 72.3% becomes "5 in 7")
    Released 29-Aug-2018
  • Probabilities in the game Camel Up (or Camel Cup) - Some probability calculations related to the game Camel Up (or Camel Cup).
    Released 11-Jul-2015
  • Optimal TFS Gated Checkin Batching - How to optimally batch Microsoft's Team Foundation Server's gated checkins.
    Released 23-Jul-2015
  • Odds in Pandemic: The Cure of Curing a Disease with Dice - Calculating the odds of rolling high enough with non-standard dice.
    Released 5-Mar-2018
  • Tournament Probabilities - A quick look at determining some intermediate probabilities for who will win a tournament.
    Released 30-Oct-2016
  • Determining home energy usage from temperature - using R to determine how our energy usage varies based on the temperature outside.
    Released 9-Nov-2009
  • World Cup: Advancing out of the Group Stage - Calculating how likely a team is to advance out of the World Cup group stage given their number of points.
    Released 8-Dec-2013
  • Weight - My weight, tracked on a daily basis with some smoothing with the help of R.
    Released 19-Jan-2009
  • IsMyDataSignificant.com - A quick script to determine if a data set is significantly different than expected.
    Released 19-Dec-2008
  • Austin Math Circle talk - I gave a talk to the Austin Math Circle about math in computer science.
    Released 19-Dec-2008
  • Point values in the game "Target" - A numerical analysis of the target cards in the game Target, complete with a nice summary graph and chart.
    Released 3-Jun-2008
  • Super Mario Bros. (board game) Solver - Quick script to find the probability of winning the Super Mario Bros. board game on the first turn.
    Released 24-Jan-2008
  • Hat Problem Strategies - Analysis of how to choose a good strategy for the hat problem, using techniques in Artificial Intelligence.
    Released 20-May-2007
  • Float to Hex - A floating-point to hex converter.
    Updated 22-Oct-2016, released 8-Apr-2006
  • Period of Fibonacci Numbers in Varying Moduli - My high school science fair project, which won awards at the Texas State Science Fair.
    Released 5-Jun-2006
  • Farkle Probabilities - A quick MathML experiment to show some Farkle probabilities - I didn't get very far before realizing how difficult hand-coding MathML is.
    Released 10-Apr-2006
  • Jump to top
• World of Warcraft:
  • WoW Arena graph - A graph of our (now defunct) 5v5 Arena team performance. Can drill down to different strategies, players, etc.
    Released 10-Dec-2007
  • WoW Frost Mage DPS - A DPS calculator for Frost Mages. Looks up data from the Armory.
    Released 2-Oct-2007
  • Auctioneer Lookup - A service to look up auction house prices in World of Warcraft. This relies on my own data gathered from the Auctioneer mod.
    Released 28-Feb-2007
  • WoW Armory Info - A table of guild information about the World of Warcraft guild I'm in.
    Released 15-Mar-2007
  • Guild Info Mod - An older table of guild information about the World of Warcraft guild I used to be in. Here's information about installing the mod and service that submits the info to the table.
    Released 14-Feb-2006
  • Jump to top
• Other:
  • Population Centers - Find where to put things close to most of the US's population
    Released 13-Apr-2020
  • All 30 MLB team names, logos, mascots ranked! - A rating of all Major League Baseball team names, logos, and mascots.
    Released 14-Oct-2015
  • Log Colorer - Coloring pointer values in a log and optionally replacing them with descriptions.
    Released 1-Sep-2009
  • ThumbnailCopy Firefox Extension - A very simple Firefox extension to allow copying HTML from a thumbnail image.
    Updated 30-Nov-2017, released 3-Jan-2009
  • TODO list - A TODO list using AJAX. The list is roughly based on the principles of Getting Things Done(GTD).
    Released 8-Feb-2006
  • Jump to top