Egg Ramen has a selection of templates.
Gerlinda linkware websets.
[sweetEMBED], a collection of copy and paste, ready to use, widgets, pixels, scripts, and templates.
Kwaamfan's layouts/codes which include WII and Stardew Valley templates.
Dogmeat has a lot of resources including 3 free templates, one of which is an open notebook/dayplanner that I've seen in a lot of places.
Almost Sweet, 3 layouts including a Sailor Moon one.
Theme Kings has a selection of templates organized by era.
Nenrikido has multiple very unique themes.
Websets by Lynn features a wide variety of assets including templates and a layout generator.
Neothemes, a small selection of clean themes.
Zonelets templates/themes. These are themes for zonelets, a blogging platform.
Kale Chips layouts. Mobile responsive. A variety of styles.
Repth's themes. Pretty cute.
Will Dot Jpg has a handful of themes. And a duck.
Windchime has a selection of very cute themes.
Beep Bird templates, along with ease-of-use ratings.
Cepheus Layouts which include the .css files.
Nomnomnami has multiple templates, which include her original art. Check out her webcomic too!
Tina Colada's LaLaLoopsy themed template.
Rarebit, an HTML and JS theme for webcomics.
Itinerae templates.
Quackit CSS Flexbox Templates.
AWP - Accessible Web Pages With Text To Speech, AWP - Accessible Web Pages is a collection of web page templates that can be used to generate accessible content that require minimal additional assistive technology because the supports are built in.
HTML and CSS Instructions
W3Schools, a powerhouse of instruction. You can use it as a course complete with quizes and tests or you can look for specific instructions.
The Ultimate Mother Fucking Website, vital information about website accessability.
Flexbox Froggy, a gamefied CSS learning tool.
CSS Portal, "Generators, Resources, Tools, HTML"
Webdevin, an extensive list of resources.
Neocities Guides, generally.
Neocities Cute Cat HTML Tutorial. It's a cute cat teaching you HTML.
A Beginner's Guide to HTML and CSS by a graphic designer.
HTML Cheatsheet which includes a color picker and unique characters.
HTML Metatags Cheat Sheet is a cheat sheet for HTML metatags.
Petrapixel has tutorials, guides, and a layout generator.
HTML Symbols you can copy and paste for noting scientific formula etc.
Dogmeat has a lot of resources including 3 free templates, one of which is an open notebook/dayplanner that I've seen in a lot of places.
Widgets and Scripts
Loveberry has boxes and borders, text effects, and snippets of code.
[sweetEMBED], a collection of copy and paste, ready to use, widgets, pixels, scripts, and templates.
Ishimori, a selection of codes you can generate then copy and paste.
Lay Out It, a CSS layout/grid tool.
Cursor Effects like it's the 90s again (but these won't lag your computer).
Transparent Textures lets you select a color and texture and generate the CSS script to display it as your website's background.
CSS-Pattern, a selection of CSS background patterns.
HTML Table, a table generator.
Ribozone Snippets shows a few snippets of CSS that can be used in a website.
CSS Border Image Generator, to generate border images.
broider, has code to copy and paste for pixel CSS borders, or you can make your own.
Text/Button Hover Effects. You can copy/paste from the github site.
Custom Scroll Bar. Just change the elements you want changed and copy and paste the script.
Backseasy, CSS snippets to create background effects.
CSS Gradient, auto-generated gradient backgrounds.
Melon's Gallery Maker, which lets you make your own gallery.
Jamesland, several CSS bits affecting images - making them shake, swing, etc.
Buttons and Art
Rentry, large collection of pixel art sorted by color, blinkies, stamps, stickers, frames, etc. Search through the menu to get to them.
Caitsith, a large collection of blinkies, stamps, favicons, buttons, dividers, etc.
Bonnibel's Graphics Collection, a collection of stickers, buttons, badges, etc. sorted into categories.
Shiska Graphics, collection of fandom and vintage-specific buttons, blinkies, etc.
Gifs4Crds has a selection of gifs including Neko Atsume, San Rio, and Pokemon; also pixel art and dividers.
Supplies has pixels, blinkies, badges, stamps, and buttons.
Glitter-Graphics, a collection of art including facebook headers and glitter art.
Dokodemo has a small selection of tiny/pixel bullet points and buttons, and some badges.
August August, a selection of dividers.
Cinni's Dream Home has gifs, blinkies, ASCII art, stamps, and backgrounds.
GifCities, a gif search engine powered by The Internet Archive.
Arunyi, a small collection of cute pixel art. (Check her portfolio out too.)
Enchantments has dividers, buttons, etc. and some gyarus.
Ishimoribackgrounds. Poke around for some other stuff, too.
Sadgirl Backgrounds (Archived). Sadgirl has removed herself and a lot of her content from the internet but archived some stuff including this very large page of backgrounds. Some of them are animated.
Toyhouse has some cute/femme stickers and frames.
Yuichan1306, emoticons and tiny buttons, many animated. Another web archive site.
Goobs Graphics, lots of tiny pixel stuff, some larger stuff.
Betty's Graphics, a very large collection of bullet points, arrows, buttons, backgrounds, etc.
Genesis Jam, Gifs, blinkies, and badges - includes some vintage ads.
twst.jum.mp is a collection of tiny pixel art, dividers, gifs, etc.
Websets by Lynn features a wide variety of assets including button, blinkies, backgrounds, and more.
Key's Klubhouse has a wide selection of buttons, stickers, badges, stamps, etc.
Blinkies & Web Badges Specifically
Cindy's Blinkies, a web archive of a geocities site.
Plastic Dino stamps and blinkies.
Genesis Jam, Gifs, blinkies, and badges - includes some vintage ads.
Web Badges World, nearly 4,000 web badges.
August August a page of blinkies.
88x31 Gif Collection, an awful lot of blinkies.
Blinkies Cafe, a blinkies creator/generator.
IMVU buttons, a bunch of tiny little badges.
Font Stuff
Glitter-Graphics has sections to automatically render text upside down, rainbow, etc. to be copy and pasted elsewhere.
Webrings and Fanlistings
Neko No Kuni's Fanlistings, a collection of fanlistings.
Onion Ring, a way to make webrings
Webring Starter Kit, uses Eleventy and Netlify
How To Make A Webring; uses Github, Jekyll, and Netlify
Hosting, Platforms, Blogs, Etc.
Buttondown - newsletter
Ghost - website and newsletter aids
Github Pages - hosting
Neocities - hosting
Nekoweb - hosting
Beehiv - newsletter
Dreamwidth - LiveJournal-style blog & community hosting
Blogger - hosted blog platform
Zonelets - tools to make a blog that you host yourself
Forums