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Organizations:
Maryland Geocaching Society – Our state organization.
Delaware – Delaware Caching Organization.
Northern Virginia – Northern Virginia Caching Organization.
Pittsburgh – Pittsburgh Area Geocachers Association.
General Tools:
GeoWiki – Our sister site, a growing compendium of knowledge about all things geocaching and related topics.
Geocaching Toolbox – a variety of useful tools for the cacher can be found here.
Project GC – a platform independent site of statistical metrics and tools for geocachers.
Free Map Tools – measure, search and overlay mark-up elements on maps.
GPS Visualizer – plain text/CSV/GPX/KML conversion tool.
Coordinate Distance Calculator – Does what it says.
Javascript Great Circle Calculator – Does what it says.
Navigational Formulae – Presents a variety of calculations for latitude/longitude points, with the formulæ and code fragments for implementing them. Not as much a tool as an explanation of the calculations.
Equipment Wiki – Private Wiki space with extensive documentation (better than the manufacturer!) on Garmin handhelds.
GPS Babel – Waypoint, track and route converter software, multi platform.
Flopp’s Map – Fullscreen map with coordinates, waypoint projection, distance/bearing calculation and display of geocaches
ACME Mapper 2.0 – A high-precision general purpose mapping application, useful for verifying coordinates, checking possible solved puzzle coords, checking distance between 2 points, etc.
CacheGeek – Many useful resources, tips and printables for geoachers
Geocachers Compass – A family friendly place where Geocachers can learn, teach, or tell stories. Find great information, step-by-step instructions and more!
Follow the Arrow – Geocaching Resources for the UK and Ireland (and beyond)
GeoRoadbook – Create your geocaching roadbook ready-to-print
GPSfiledepot – maps, tools and files for GPS units.
Geocaching Online – A rabbit hole for geocachers.
Fizzycalc (Mac platform) – Download this software for navigational calculations here.
Fizzycalc (PC Platform) – Download this software for navigational calculations here.
Geocaching Swiss Army Knife – GSAK, an all-in-one geocaching and waypoint management tool (requires Windows OS).
HTML WYSIWYG Editor – Exactly what it says.
HTML Reference Page – Exactly what it says.
Geolex – Geocaching jargon dictionary of sorts.
Travel Bug Tools:
Travel Bug Rescue – get help from a worldwide team of willing volunteers to keep your TBs moving!
TB Run -A site for Travel Bug Races, brought to you by the owners of the TB Rescue site. You can join a race or start your own.
TB Race -Another site for Travel Bug Races, where you can join a race or start your own.
Geotribes – A Travel Bug tracking website with interactive maps & statistics for geocaching travel bugs, geocoins and all your trackable items.
Puzzle Tools:
Rumkin Cipher Tools – Encrypt and decrypt in a number of cyphers.
Cipher Statistics – Compares unknown ciphers against known ACA ciphers.
Bion Cypher page – Links to a variety of cypher related pages.
Ruffnek’s Crypto Pages – An encyclopedia of ciphers of soerts.
American Cryptogram Association – Tools and information about cryptograms.
Alphametic Puzzle Solver – Tool for solving crytarithms.
Omniglot – The online encyclopedia of writing systems and languages. Comprehensive. Includes linguistics form fictional universes.
Red Luth Riddle Tools – A virtual cornucopia of information, from airport codes to reverse image search engines to DNA-o-gram generators. Don sunglasses before viewing.
Barcode Reader – Reads a variety of barcode formats.
ZXING Decoder Online – Tool for decoding 2d or 3d online barcodes.
Jeffrey Friedl’s Exif Viewer – reads image metadata.
Steganography Software – Links to a variety of software tools used in steganography.
Photo Forensics – Site discussing tools and detection methods to determine if photos have been manipulated.
Online Encyclopedia of Integer Sequences – Collection of about 200, 000 number sequences.
Base 36 – Tool for converting text or number sequences into different number bases.
ASCII Code – Extended table of ASCII two codes.
Sorting Demonstration – A means to hide information based on the order that data is presented.
Check Your Solution:
Geochecker – a site for checking puzzle cache solutions.
Certitude – Additional site that checks puzzle solutions, as well as tracks who has solved specific puzzles.
Geocheck – Yup, it is another one!
Geocaching Coordinates Checker – By New Mexico Geocaching, provides HTML code to add this functionality to your listing.
Evince – Another site where you can set up a puzzle solution checking service for your cache.
GPX, KML File Format Data and Tools:
Google KML Documentation – Well, what it says.
KML Interactive Sampler – demonstrates and allows edits of KML data files to produce tracks, polygons and other shapes on Google Earth.
Garmin GPX Schema – Garmin’s XML file format coding schema for the GPX files their equipment produces.
Map Sources:
Mapillary – Crowd sourced street level photos.
Open Street Map – Crowd sourced maps.
National Map – USGS downloadable topographic maps for the United States.
MyTopo – Downloadable layered PDF topographic maps for the U. S. and Canada.
Blogs, Vlogs, Podacsts:
Podcacher An excellent weekly podcast about all things geocaching.
It’s Not About the Numbers blog – a fine blog on geocaching from the folks down under.
GPS Tracklog – GPS equipment blog.
Geocaching Vlogger – Geocaching Vlogger’s videos on YouTube.
Geocaching Blog Index – What it says.
Listing Services:
Geocaching.com – Primary geocaching organization.
Open Caching North America – Alternate geocaching organization.
Terracaching – Alternate geocaching organization.
Opencaching – Alternate organization affiliated with Garmin.
Earthcache – Earthcaching Organization’s site.
Rating Sites:
GPS Manufacturers:
Garmin – Manufactures a variety of GPS related devices for the consumer.
Magellan – Manufactures a variety of GPS related devices for the consumer.
Dual – Manufactures Bluetooth GPS units for a variety of outdoor activities.
Trimble – Manufactures a variety of GPS related devices for industry, especially surveying and agriculture.
Gear Vendors:
MGS Gear – Maryland Geocaching Society’s store.
101Geo – a fine store down under.
Spacecoast – Often seen at east coast mega events, these folks have a brick and mortar store in Florida.
GX Proxy – Texas vendor also often seen at mega events.
Cache-Advance – Vendor in the northwest that also has a brick and mortar store, sponsors Podcacher podcast.
1st Cacher – One of Oakcoins’ subsidiary sites.
Geoswag – Another of Oakcoins’ subsidiary sites.
Geowyrm’s Geocaching Supplies – Calgary based vendor, Z&S have met the owner, great folks and a fine array of gear!
The Caching Place – A small vendor with some fine stuff, out of Leavenworth, Washington.
Geo Knots – Creates custom lanyards and survival wrist bands from paracord, that are also trackable. You’ve likely seen one on Humphr1d or Soccertoa!
Cachebox – Vendor carrying a variety of containers, trackables and accessories
Geocoin Vendors (we lumped Pathtags in here):
Oakcoins – Manufacturer’s website for creating custom coins.
Coins and Pins – Custom coins made here, as well as a storefront of fine geocoins and swag.
Crake Productions – Geocoin designer and manufacturer.
GeocoinShop – German based geocoin and swag manufacturer, very nice work here.
Geocoin Club – Longstanding coin of the month club.
Government Sites of Interest:
GPS.gov – U.S. Government site on GPS, good accuracy discussion here.
U. S. Naval Observatory – GPS page with operational status of the system, and background discussion.
Space Weather – NOAA site showing current conditions which may affect GPS reception.
GLONASS – Russia’s GLONASS information page.
Galileo – European Space Agency’s page on their satellite navigation system.
Player Ranking/Caching Statistics sites:
CacherStats – lists of top ranked players.
Zinnware List – Geocachers with the most finds or with over 100 caches hidden.
Geocaching Rank Stat Bar – register to get a Stat Bar that shows your rank in the world.
My Geocaching Profile – analyzes your geocaching history and produces statistics, graphs and maps of your caching adventures.
Maryland Geocacher’s Toolkit – Bluecrabsfan’s Maryland stats and help page.
Uploaded Files [N.B. – unlike other links on this page, these will take you to the forums sign in page. once you have signed in, your browser will download the linked file.]:
Maryland Challenge Cache List – A list maintained by Deepdish23 of all challenge caches in Maryland.
Bizarro Geocaching Related Stuff:
Zombie Travel Bug Dispersion Tracker – our pet project tracing the zombie plague spread by geocaching.
Please submit suggestions for new links or categories, or problems with any of the links above in a comment below.
Contributors:
Zekester, Alzarius, ProdigiousOne, Deepdish23, Humphr1D
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