Helpful Resources

(under extensive renovation)

Key (probably temporary)

• ⊗ Database
• ◕ Program
• ❥ Need to convert this to notes later and then delete

Stuff I've compiled myself
Some PDFs that I've put together. They're all free.
Brother G's Cyclopedia of Comparative Mythology: A kind of TV Tropes of mythology (but nowhere as comprehensive) with 380+ mythological building blocks and five appendices.
/tg/ on... Stuff: 144 pages of /tg/'s scholarly hivemind, sharing its wisdom on such topics as AI & Free Will, Yugoslavian politics, Pastoralist cultures, and whether a katana really is the baddest sword out there.

Astronomy

1. Complete Sun and Moon Data for One Day

Biology
Humon Comics' "Animal Lives" series: Visual, symbolic representation of sex lives of other animals. Check out the Side-blotched Lizard.
The Science of Tree Rings: From the site: "My goal is to make available as much information about dendrochronology as I can possibly find on the Internet, from the basics of tree-ring dating, to reference and bibliographic information, to products and supplies, to books, and more!"
WildFinder:
Arkive:

Culture
Countries and Their Cultures: Names, alternate names, symbolism, ethnic relations, history, use of space, and more for every culture from China to Slovakia to Tokelau.
Forms of Address: From the site: "These postings are a combination of basic forms of address for frequently encountered officials and the replies to questions sent to Robert Hickey, Deputy Director of The Protocol School of Washington."
Letterboxing North America: All about letterboxing.
Mookychick's How-To Guides: Guides on everything from sword-fighting to being a river boat captain.
Vocabulary of Roleplaying:
BeforeThey.com:
ExpatArrivals:
Ethnographic Atlas Crosstabulations:

Food
MyBestCocktails.com:
The Food Timeline:
Recipe Roulette:
Size, Weights and Measurement Conversions [for food]:

Generators
Abstract Art Title Generator:
Abulafia:
Blood Sport Character Generator:
Chaotic Shiny:
Christian Speculative Fiction Plot Generator:
City Map Generator:
City & Town Name Generator:
Consult Mr. Lovecraft:
Doctor Who Plot Generator:
The Donjon:
Fake Name Generator: Go here to get your profiles in bulk.
Feath's Bookcase:
The Forge:
Magatsu.net:
Nonsense Generator:
RanGen:
Random Name Generator:
Random Title Generator:
Springhole.net:
Surrealist Compliment Generator: Also take a look at the Surreal Insult Generator.

Geography
City-Data.com:
Earth Change Maps and Maps Database:
Encyclopedia of the Nations:
Numbeo:
Old Maps Online:
WikiTravel:

History
Aedificium:
Eyewitness to History:
FirstWorldWar.com:
The History Guide:
HyperHistory Online:
Manor House:
Medieval Demographics Made Easy: Related is the Domesday Book demographics generator.
Medieval Medicine:
The Salon:
Spices and Their Costs in Medieval Europe:
Victoriana:
Interesting History Sourcebooks Project
Historical Devolopment of Materials and Manufacturing Processes:
Bomb Sight:
Hero Files:

Literature
Airships, Anarchists, & Anachronisms:
Islam and Science Fiction:
The PKDictionary:
Starship Dimensions:

Mapmaking
3D Starmaps:
Cool House Plans:
Deckplans, Floorplans, and Assorted Diagrams:
Dungeon Painter Online:
A Guide to RPG Mapmaking:
How to Draw Nice Maps:
OpenStreetMap:
Principles of Cartography:
Procedural City Generation:
Random Cave Map Maker:
Autodesk Homestyler:
Mapnificent:
The Cartographer's Guild:

Mythology and Folklore
Anomalies:
Brother G's Cyclopedia of Comparative Mythology:
Folklore and Mythology Electronic Texts:
Internet Sacred Text Archive:
Lost Destinations:
Mything Links:
Occultopedia:
Paranormal Database:
S. Thompson Motif Index of Folk Literature:
StorySearch:
Twilit Grotto:
Campaign Builder's Guide--Mythology Resource:
Anthropology of Religion:

Names and Language General
1828 Webster's Dictionary:
Behind the Name:
Eighteenth Century and Regency Thieves' Cant:
Elizabethan English:
Everchanging Book of Names:
Forvo:
Hyper Dictionary:
Hypertext Glossary of Computer Science:
Hypermedia Glossary of Genetic Terms:
The Getty Vocabularies:
Glossary of Astrophysics Terms:
Glossary of Nuclear Science Terms:
Just a Few Words That They Used:
The Language Construction Kit:
The Medieval Names Archive:
Numbers from 1 to 10 in Over 5,000 Languages:
Pennsylvania Sumerian Dictionary Project:
The Phrontistery:
Primer in SF Xenolinguistics:
The Scriptorium:
Western Slang and Phrases:
Omniglot:
International Names:
The Anglish Moot:
World Wide Words:
English to Egyptian Dictionary:
Ancient Egyptian Dictionary:
English-Ancient Egyptian Translator:
HieroglyphsDotNet:
Collective Nouns:
Axial Tilt Simulation:
My Solar System
StarGen--Solar System Generator:
WeatherSpark:
LangMaker:
Medieval English Names:
Glossary of Fox Hunting Terms:
Fantasy Thesaurus:
Old English to Modern English Translator:
Dictionary of Medieval Names from European Sources:
Lojban dictionary:
Luciferous Logolepsy:
The Phrontistery:

Numbercrunching
Compound Interest Calculator:
Conversion Formulas:
Cost of Living Calculator:
Inflation Calculator:
Mortgage Calculator:
XE Currency Calculator:
Simple Pendulum Calculator:
Continuous Thrust Travel time Calculator:
Angular Size Calculator:

Science & Technology
Antimatter Calculator:
Atomic Rockets:
Bad Astronomy:
Encyclopedia of Science: http://www.daviddarling.info/encyclopedia/A/alternative_forms_of_life.html
Fundamentals of Physical Geography:
General Chemistry Glossary:
The Geology of Mars:
Granite and Marble Search Engine:
John G. Cramer's "Alternate View" column:
Mass to Energy Calculator:
Space Settlements:
Star Types:
The Sky on Alien Worlds:
The Transcension Hypothesis:
Climatology for world builders:
Directory of Open Access Journals:
Ubiquity Press:
Wiley Open Access:
The Forensic Panel:

Technical Stuff
Abandonware Ring
Autodesk Homestyler:
Homestuck Sprite Maker:
Fotosketcher:
FreeMind:
ListenOnRepeat:
Listly:
Netvibes:
Newspaper Clipping Generator:
Pixlr:
Pretty Tag Cloud Maker:
Psykopaint:
Scribus:
Snaptouch:
Twitterfeed:
Twuffer:
YouTube-mp3:
Zamzar:
Morguefile:
LackeyCCG:
Create Digital Art:
Twinery:
Anthology Builder:
Server Room Noise Generator:
Europeana:
Digital Public Library of America:

Wordcraft
50-word Theme Sets:
750 Words:
Cold Turkey:
Cliche Finder:
Click to Tweet:
HemingwayApp:
Imagination Prompt:
Just Riddles:
OmmWriter:
RhymeZone:
Wordcounter.com:
Wordcounter.net:
Words to use:

Worldbuilding (See also: Mapmaking)
20 Worldbuilding Questions:
30 Days of Worldbuilding:
Berley's Top 10 Worldbuilding Tips:
Creating an Earth-like Planet:
The Dungeonomicon: A lesson in making sure that you follow through on the implications of your setting's premises.
Fantasy Worldbuilding Questions:
Five Foundations of Worldbuilding:
Geoff's Climate Cookbook:
How Much of My World Do I Build?:
Planetocopia:
Population/Demographics Calculator:
Shakespeare in the Bush:
"Silk Road" Economy System from DnD: There is also a relevant spreadsheet.
The Sky on Alien Worlds:
Superpower Wiki:
So You Want to Build Your Own Fictional World:
Uphill Writing's Worldbuilding Guide:
World-builders.org:
Xenology:
Planet Designer:
The Terraforming Information Pages:
Snaiad:
Sea Level Rise Simulator:
Water Elevation Map:
Constitute:
Scrontch's Flag Designer:
Experilous:
Planet Map Generator:
World3Model:
Heaven and Earth:
New Constellation Symbols:
Create a Cool Starfield:

Miscellaneous

1. Time and Date Dot Com
2. Dark Shire's List of Free Role-Playing Games 
3. Free Online Graph and Grid Paper PDFs
4. NukeMap:
5. The Free Universe:
6. Stanford Encyclopedia of Philosophy:
7. 99Designs:
8. Page about sound:
9. DoYouRemember?:
10. The Free Fall Research Page:
11. Speed, Distance, and Time of Fall for an Average-Sized Adult in Stable Free Fall Position:
12. Symbol Dictionary:
13. Dictionary of Symbolism:
14. Scaruffi:
15. Zombietown, USA:
16. the textfile directory:
17. Monoskop: