WEB

a vernacular web	Olia Lialina's essays on early web design. Check out also other projects on her website
brutalistwebsites.com	Brutalist web design. Here's an AWWWARDS article on the topic.
W3 Schools	Educational website for learning HTML, CSS, JavaScript and many other coding languages. Use html validator and css validator to check your websites code for mistakes
Web Design Museum	"Over 2,000 carefully selected and sorted web sites that show web design trends between the years 1991 and 2006"

RECORD COLLECTING

45cat.com	"Online archive dedicated to the magic of the vinyl seven inch single"
discogs	The number one website every record collector should know about
JOOST VAN DER NET	Info about collecting classical music on Deutsche Grammophon label
lee.classite.com	Youngrok Lee's music pages. Collecting guides for DGG, DECCA etc and lots of artist discographies and other music related writings. Partially in Korean
Michael Thomas' website	British 78rpm record labels
rytm i piosenka	Logo & label variations and dating guide for Polish record label Polskie Nagrania Muza

ART & DESIGN

Amiga graphics archive	"Graphics made with or for the Commodore Amiga home computer."
CEAD	Central European Art Database
cinemaposter.com	"Database, information about & images of Polish film posters"
creative BOOM	Art & design magazine
Fonts in use	"An independent archive of typography."
Modern illustration	Archive of print from c.1950-1975
Monster Brains	A blog tracking down and collecting horror themed artwork
Pen & Pixel Graphics Inc.	Legendary hiphop cover art design. P&P discogs page
Project Thirty-Three	Graphic design in LP album cover art. Discontinued
The Re-Code Project	Archive of computer art
typographicposters.com	Typographic poster designs
UbuWeb	"UbuWeb is a pirate shadow library consisting of hundreds of thousands of freely downloadable avant-garde artifacts"

Resources:

Alchemy website	Collection of alchemical texts, illustrations, art & more
Clipart etc	FCIT collection of clip-art for school use
COOLTEXT	online decorative text tool
GifCities	"The GeoCities Animated GIF Search Engine"
Dan's collection of masonic clipart	More freemasonic graphics links here
Medieval macabre	"Supernatural & fantastic imagery of the middle ages"
Oldschool PC font resource	"The world's biggest collection of classic text mode fonts, system fonts and BIOS fonts from DOS-era IBM PCs and compatibles"
V T F	Velvetyne Type Foundry. Free and open-sou rce typefaces

FREE GRAPHICS TOOLS

cebra edit	Cebra teletext editor for Win XP and earlier. Other editors (and general information on teletext art) can be found here
ELECTRIC ZINE MAKER	Make your own zines. Check out zines done by others
Inkscape	Free vector graphics editor
Moebius	ANSI art editor
Our Paint	"Our Paint is a featureless but programmable painting program."
Paint.net	Photo editor
Rexpaint	ASCII art editor

FREE AUDIO TOOLZ

Audacity	"world's most popular audio editing and recording app"
Bespoke synth	A modular DAW software
buzz machines	Music making tracker software. Download plug-ins here
famitracker	Famicom (8bit nes) music tracker software
mpc beats	Official Akai MPC Beats free sampler/sequencer software
paulstretch	a.k.a. Paul's Extreme Sound Stretch. Audio editing tool
Samplebrain	"A custom sample mashing app designed with Aphex Twin."
sunvox	"a small, fast and powerful modular synthesizer with pattern-based sequencer (tracker)"
vcv rack	"The Eurorack Simulator"

OTHER SOFTWARE

FreeOffice	SoftMaker FreeOffice, free alternative to MS Office
temple os	Operating system written by "God's chosen programmer", late Terry A. Davis. For further reading check out Wikipedia articles about the operating system and its creator Terry A. Davis. Too lazy to read? Well, how about a youtube documentary about his tragic life
VMware workstation player	Free virtual machine

FREE GAMES

barkley's shut up-n-jam gaiden	A b-ball rpg from Tales of Game's studio
captain claw	Classic platformer, runs on win 10
glorious trainwrecks	"Make Games Constantly Forever." GT game collection @ archive.org
Haunted PS1 demodisc	Short horror games from various indie developers
Museum of ZZT	Games made with original 1991 ZZT MS-DOS game's built-in-editor
PICO-8	A "fantasy" game console for creating & playing mini games. Software not free, but you can play the "cartridges" on your web browser
Zomb's lair	Collection of classic PC abandonware customized for modern pc's

OTHER / MISC. NERD STUFF

calculators.de	Museum of Pocket Calculating Devices
Computer Magazine Archive	PC Magazines from 70's to 90's
datamath	Datamath calculator museum
E.T. ZONE	Electronic typewriters
GUI Gallery	Personal Computer Graphical User Interface Gallery
handheld museum	Electronic Handheld Game Museum
mhp testcard gallery	BBC and ITV tv test cards
museum of obsolete media	Museum of obsolete media
Old crap	Museum of computer anatomy
PHILIPS 26CS3890/08R	Article about a TV with a built-in teletext printer! Check out also Marcel's TV museum or the early television foundation and museum
pocket calculator show	Nerd watches, Walkmans, Boomboxes and more!
The Obscuritory	Obscure video games blog
T W D B	The typewriter database
Typecast blog	A typewriter collector's blog
vintage computing & gaming	"adventures in classic technology"
webSDR	Software-Defined online wide-band Radio receiver
Winamp skins museum	Winamp skins museum

YOUTUBE MUSIC CHANNELS

666mrdoom	Doom metal etc.
Ann	Electronics/ambient
Black Metal Artists	...
Black Metal Forest	black metvl
Black Metal Promotion	blvck metal
Bon Gat	"Poti-poti, batiburrillo and hodgepodge of sounds/music styles."
december 32nd, 1969	progressive electronic music
Dispel ltd.	UG black metal & dungeon synth
Dungeon Rap	Dungeon RAP
Dungeon Rap Collector	Dungeon RÄP
Dungeon & Synth	Dungeon synth
FiveDigitCreature	Raw Black Metal. And other fancy stuff
Funked Up East	Eastern European funk, jazz, electronica, etc.
Fresh Out the Dungeon	Dungeon synth
GoldenGangräneVerzückung	Raw Black Metal. And related stuff
Grindwar	Underground extreme music
Hydra Wayne	Oldschool Phonk etc.
Impending Riot 83	Vaporwave etc.
Indigo Reign	Dungeon synth & Ambient
Keith Fullerton Whitman	Rare vintage electronic and avant-garde stuff
loppuunmyydytlätyt	Rare Finnish underground hiphop
Martinradio	Jazz, funk, soul, gospel, world music, stock music, electronics... Prob anything else but heavy metal
Mr. Schwarz	Noise, avantgarde, etc
musicfromceefax	UK Ceefax teletext background music
Nicolás.Gordon	Jazz, jazz, jazz...
O L M	Some obscure stuff...
Out Of Season	"Purveyor of fantasy music, dungeon synth, and metal"
Perunamuussimummo	Few rare finnish rap albums
Poo Lives	Some rare Japanese jazz
Postcards from the void	Ambient & electronics
Proved Records	Hip-hop, jazz, etc...
Rainwater Enema	Noise & experimental
Rare & Unfamiliar...	Rare & Unfamiliar Hip Hop Underground And Vintage
Rare music #2	This & that
Rites of Pestilence	666 and all that
Romanian Music Vinyl Records	.
should be asleep	Ambient/New-age, mostly japanese stuff!
Signalwave	Subgenres of Vaporwave music
Sounds of the Dawn	New Age / Ambient / World / Electronic / Jazz / Environmental & Nature / Meditation
Stoned Meadow of DOOM	Doom & Stoner metal
Superton Official	Yugoslavian/Serbian Turbofolk
tape escape	Cassettes.
Terminal Passage	Jazz, Funk, Avant-Garde, Experimental, Prog, Psych, Indie, Etc...
Terra Ultima	"miscelaneuous channel focused on promoting any music genre"
The Dungeon Noise Cavern	dungeon and dark. second channel here.
The Dungeon Synth Archives	Dungeon synth & ambient
The Inner Kvlt	Underground B.S.o.D and 90s Raw Black Metal/Dungeon Synth
Transmissions from the Dark	"blackened esoteric artistry"
Tribe Tapes	Noise & stuff
ultradiscopanorama	Disco & synth & folk-pop from all around the world
Vapor Memory	Vaporwave etc.
Vinyl Empire	Rare Czech rock & pop
When dubs cry	No genre specification, all around good stuff!
ZoydRa	Ritual & Ambient & Experimental.