Links

Every single website, game, and tool on this list is FREE! Source: I am broke I choose to not spend money on the internet.
Also, all links open in a new tab.

Cool websites

Archives and collections, funny sites, informational and historical, and more :-)

Ascii Art Archive - big collection of ascii art from the interwebs
Black Craftspeople - an ongoing project showcasing the creations of Black craftspeople from eighteenth century America
The Bone Room - a (legal!) store selling human and animal bones.
Bottle Typing & Diagnostic Shapes - identifying vintage bottles.
conceptlab.com - some fascinating projects by Garnet Hertz.
The Cube Rule - officially end the "is a hotdog a sandwich" conflict by pissing off both sides equally.
demonbuster.com - Christian(?) website about demons. Can't tell if it's a joke or not.
The Dutch Textile Trade Project - data on Dutch textiles shipped during the seventeenth/eighteenth centuries!
Every Noise at Once - fantastic resource for finding new music.
Evil Overlord, Inc - a helpful list on how to be a proper evil overlord.
Fun With Transistors - a site "dedicated to passing around the knowledge of transistor circuits and techniques."
Fun With Tubes - made by the Fun With Transistors guy, a site "dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques."
GifCities - an archive of GeoCities GIFs.
Heckscaper - music, plugins, audio samples, and more. eyestrain warning!
Historic Menus - The New York Public Library's archive of menus from across the years
its raining somewhere else - see what city is getting rain right now.
Lady's Magazine - embroidery patterns from 1770-1832, archived from The Lady's Magazine
Language Squad - test your language knowledge
Leather Archives - Archive of leather/BDSM fetish/kink culture and history!
Letterform Archive - nonprofit organization archiving lettering, typefaces, graphic design, and more
mayhem.net - Relies on Adobe Flash. Information on true crime. Contains flashing images and potentially scary/disturbing content.
Microheaven - a website about Interactive Fiction games.
ModestFish - website for the care and keeping of fish
NY Public Library's question cache - an Imgur album of questions asked to the NYPL from 1940-1980
nskyc.com - the average colour of NYC's sky every 5 minutes.
The Old Net - experience the internet how it used to be. (Also has lots of useful links about computing and tech stuff.)
The Old Robots - a massive archive of robots from the 1950s-1990s.
phronitsery.info - a collection of words.
Picture Box Blue - HUGE collection of free, public-domain vintage illustrations
Portland Immersive Media Group - some neat art videos.
Radio Garden - listen to any radio station in the world.
Random Planet - visit any random planet in the solar system. (Enable Popups and be on desktop)
The Recipe Link - a collection of recipes, 1996-Now. Highly recommend!
Sandwich Tribunal - reviews of pretty much every sandwich you can think of.
same.energy - find similar images to an image.
Specialty Produce - a produce store in San Diego with interesting stock available.
Spells of Magic - huge site all about witchcraft. Can't confirm the legitimacy of this content but it sure is fun to look at.
STARS - A site for night sky lovers, with over 2k links. Includes a table of ALL the stars!
Tirazain - archives of Palestinian embroidery patterns
Terrible Real Estate Agent Photos - what it says on the tin.
WebTV Redialed - bring the internet to your living room TV
What football will look like in the future - an article that's more interesting than it sounds.
Wikiroulette - random Wikipedia page.
World Crane Championship Finals - an action packed 45 minutes of crane obstacle courses.

Personal sites

+ some animal related/animal breeding sites.
I want to keep these in a separate section so I can find them more easily. I like looking at them :-)
bettycjung.net - the site of Betty C. Jung, lots of healthcare information.
FeatherSite - the site of Barry Koffler, a chicken farmer and swing dancer.
Frogland - a very pink webpage all about frogs!
Guppywest - a guppy breeding/showing website
Kitty Brigade - archive of links to cat websites. (Currently DOWN! :((( Will try to get an archive link soon!)
Miller's Homemade Soap Page - homemade soap, also has a garden page.
Palomacy Pigeon & Dove Adoptions - Rescues and rehomes pigeons and doves
Robzworld - the site of Rob.
RunTuff Borzoi - a borzoi breeder's site.
Sokolow Barsois - another borzoi breeder's site.
Tannhäuser Shepherds - German Shepherd breeder's website.
Warui - idfk. Archive of art, music, animations, etc?
Wendy Carlos - The website of Wendy Carlos.

Tools/Webmastery

Accessible Palette - make cohesive palettes with good contrast
coolors - colour palette generator, gradient maker, and more
Death Generator - generate text in the form of a wide selection of various video game text screens
Divide By Zero fonts - free interesting TrueType fonts.
dustfreesolutions - transfer the colours of one image to another image.
Elektrobild - an online photo editor. Had a lot of fun here.
ezgif - free tools for editing and making GIFs, converting video formats, and much more. I <3 this website, I use it all the time.
Flash Player for Chrome - there's probably better ones out there, but this gets the job done
Gifypet - get a fun gifypet for your website!
Glitter Maker - make your own glittery text.
HTML Table Sorter - JavaScript code that lets you sort an HTML table alphabetically.
jankcss - easily learn CSS by typing it and watching the changes in real time.
Link Checker - check any website for broken links
ozh.github.io/ascii-tables - generate ASCII tables. Features different formats and stuff, pretty cool
Pixelbank - a Neocities full of graphics.
Pixlr - free online photo editing. Limited to 3 saves a day but you can just screenshot. I use this a lot.
pollcode - make free online polls to embed in your website.
removebg - quick, online, free png maker.
RGBA Color Picker - a handful of tools such as Hex to RGBA, random colour picker, and a colour code finder.
Safety Sign Generator - make your own safety signs!
Stripe Generator - generate stripes via linear gradient css.
yoursmiles.org - fun emoticons for your website (tip: width:15px; display:inline;)

Useful

DeathSucks.pdf - a free PDF on how to prepare for death. Contains dark humour
Just Beam It - P2P file sharing. Fast, easy, and free. (Tested and true!)
Pretty Sick Supply - all sorts of products for those with chronic illness or disability; compression socks, pill holders, eye patches, accessories for equipment, and much more!!
"Study Guide" - a huge collection of resources for transgender people, named discreetly on purpose.
Sleep Calculator - calculate when to fall asleep so that you can wake up refreshed (or at least not exhausted). I've been using this and it works wonders!
Supercook - input ingredients and find recipes you can make from them.
This to That - find out what to use to glue something to another thing.
Wii U Hacks Guide - hack your Wii U.
12ft - bypass paywalls!
3DS and 2DS Hacks Guide - hack your 2/3DS.

Games and similar

Cicada Marionette - interesting. Part game, part personal website.
How to Make a Cup of Tea - a strange game about making tea.
Numuki - tons of FREE browser-based Flash games, no Flash required!
Play classic games - old classic games online!
The Password Game - increasingly specific password requirements.
The Simulator - a Conceptlab project that imitates a normal life