Web development
- HTML Cheat Sheet - as the name suggests. css and js also available.
Web tutorials
- w3schools - referenced religiously. learn to code in several programming languages
- sadgrl.online & create.dvdv.kim - beginner neocities tutorials
Layouts and layout builders
- Sadgrl's Layout Builder
- PetraPixel's Layout Generator
- 11ty (Eleventy) - static site generator, tutorial here
Code snippets
- RV's DHTML web-scripts - fun js/DHTML effects
Code editors
- personally, i use Visual Studio Code. offline editor with a browser version, customisable supporting many extensions (i had a lot of fun with this).
- Brackets - customisable, beginner friendly, centered around html/css
- Notepad++
Other code editors (i haven't tried them, so you'll have to check them out on your own)
Useful tools
- Catbox & File Garden - file hosting
- Dither Me This & Dithermark - dither your images
- generator.lorem-ipsum - lorem ipsum in different scripts (includes artificial languages & morse code!)
- viewportsizer - shows you your screen size
- Optimizilla - image compressor
- dead link checker
- Backlink Checker
- Encode your email address
Less useful but fun tools
- BitFontMaker2 - make your own font
Site decor
Backgrounds
- hekate2's background archive, organised by color/theme
- hekate2's background generator
- sadgrl.online's tiled background archive
- fancyparts.com - cutesy patterned backgrounds
Graphics, blinkies, buttons, stamps
- blinkies.cafe - blinkie generator
- identity buttons
- GifCities - geocities gif search
- Glitter-Graphics.com - graphics, layouts, glitter text (has backgrounds too!)
Other
- GifyPet - build a pet
- tamaNOTchi - virtual "tamagotchi" to put on your website!
- imood - display your mood
- Pollcode - create polls
- FC2 Counter - count site views (accesses)
Entertainment
- WindowSwap - swap windows with someone in the world
- Dragon Cave - adopt and raise dragons
- radio.garden - listen in to radio stations from around the world
Language learning
- DeepL - pretty good translator
- LangCorrect - write and get it corrected by natives (the catch is you have to correct entries in your native language as well).
- Clozemaster - learn vocabulary through fill in the blank sentences