Archub: Coding

Coding Reference & Templates

HTMLCheatSheet.com - HTML cheat sheet
W3Schools.com - Learn to code with the world's largest web developer site.
OverApi.com - collecting all cheat sheets
FreeCodeCamp.org - Build your skills for free
OSWD.org - Open Source Web Design is a platform for sharing standards-compliant free web design templates
BotWiki.org - preserving examples of interesting and creative online bots, and providing tutorials and other resources to folks interested in making them.

Public APIs List on Github - Very long, organized list of free public APIs for your development projects.

VSCodium - Forked version of Microsoft's open source VSCode, relicensed under the MIT license and without telemetry.
Geany - Programmer's text editor and IDE that is lightweight, customizable, and supports many plugins.
Lua Carousel - Lightweight environment for programming on phones, tablets and computers.
Notepad++ - Simple notepad and source code editor for Windows.

CSS Validator - Check Cascading Style Sheets (CSS) and (X)HTML documents with style sheets
HTML Validator - Check the markup (HTML, XHTML, …) of Web documents
JavaScript Validator - Paste your JavaScript code here and see all errors.
RSS Validator - Tells you if you have errors in your RSS file
BrokenLinkChecker.com - Checks for broken/wrong links all over your website.

PenPot.App - Web-based design and prototyping platform made for cross-domain teams, a noteworthy alternative to Figma.
Pencil Project - Cross-platform tool for making GUI prototypes.
Alva - Tool for making living prototypes with working code components.
Excalidraw - Generic, intuitive, in-browser sketching tool for quick concepting.
Akira - Offline generic sketching tool, also great for concepting.
Icon Shelf - Icon manager for web developers where all icons are copyable as code.

Meld - Offline tool for comparing and/or merging files and folders on your sytem. Extremely useful for general organization and project management, and can be useful for lots of tasks outside of software development, too.