A totally awesome list of "old web" themes for your computers, browsers, and other stuff too (Pt. 2) [closed]

This forum post was separated into parts because it hit the character limit, please send your submissions on Pt 1, it makes it easier to read!

Mac:

MacProxy Plus (lets modern websites work on very old Mac systems)

system.css (design system for very old Mac systems)

OS (Old School) (cost money, Mac 1-4 theme)

AquaLickX (older Mac OS X UI elements for modern macOS)

macOSMaverickTheme (for macOS Mojave/Catalina)

Classic Mac OS Finder (for Windows)

Front-Row (restores partial Front Row functionally on Mac OS Lion/Mountain Lion)

Mountain lion Icons

Mac OS X Sounds

Mac OS X Cursors

macOSLucidaGrande (old font for modern Mac systems)

ViFind (Yosemite-Catalina Menu Bar for Windows)

Lickable Menu Bar (Mavericks/Catalina/Tiger Menu Bar for modern Mac systems)

cDock (cost money, old Mac dock, version for Apple Silicon) (Maverick theme)

Mac OS X Yosemite Rocketdock theme

iTunes-Experiment (iTunes 10 recreation, needs to be compiled from source)

WinLaunch (Mac Launchpad for Windows)

Leopard-Mavericks Photobooth for Windows

Mac OS X Tiger Front Row for Windows

Mac OS X Address Book and Fontbook for Windows

Mac OS X iCal, Calculator, Shutdown, Force Quit, Finder Preferences, About Finder, About This Mac for Windows

Mac OS X System Preferences for Windows

Mac OS X Parallels Desktop for Windows (move Parallels folder to C: drive for the best effect)

Mac OS X CD/DVD Burning App for Windows

mfslives (allows modern Mac systems to run MFS images and floppy disk)

Executor 2000 (allows modern Mac systems to run older Mac applications)

Platinum9 (Mac OS 9 themed Linux)

StyleProject (QT4/QT5 themed Linux)

Yosemite Gtk Theme (Yosemite themed Linux)

B00merang-Project (Leopard/Mavericks/Cheetah/Catalina/Catalina Dark/Mac OS 9/Mac System 4 themed GTK/GNOME)

Linux:

2ine (allows Linux devices to run OS/2 applications)

Ubuntu "Human" Cursors

NsCDE (90s desktop environment)

CDE (90s desktop environment)

Harmony (old Unity desktop on kde plasma)

RetroCoolTerm (retro terminal theme for Linux)

GNUstep (NeXTSTEP theme for Linux)

OneStepBack (NeXTSTEP theme for GTK)

Ubuntu Ambiance Darkness Theme (classic Ubuntu dark theme)

Human theme (old Ubuntu Human theme for GTK)

Ubuntu Unity (ubuntu with Unity7)

Katana (Forked version of KDE Plasma 4)

MATE (Forked version of GNOME 2)

Trinity Desktop Environment (classic KDE-like OS)

Flamingo (Forked version of GNOME 3.38)

B00merang-Project (old ChromeOS/Unity 7/Unity 8/Solaris 8/Solaris 9/BeOS/Human/Adwaita/Old Fuchsia theme/80s Terminal/OS/2 Warp 4 themed GTK/GNOME)

KDE on Windows (early KDE apps on Windows)

Arix (KDE 1.1.2 themed Debian 13)

Phones:

(NOTE: Not all apps will work on your phone as they were designed with newer/older versions in mind)

Install with Options (removes limit on old apps for Android) (root it's required! necessary for Android 14 and later)

OldOS (old iPhone theme, technically an app)

iOS 6 Simulator written in Swift (old iPhone theme, technically an app)

iOS 6 Full Theme (iOS 6 theme for modern iOS)

Ultimate iOS 6 Theme Setup Guide (iOS 6 theme for jailbroken iOS)

Checkmate, Store! (allows older iOS devices to download new apps)

Electimon's Repo (allows older iOS devices to download new apps)

AppSync Unified (allows iOS 5+ devices to downgrade apps)

MapsX (fixes iOS 6-7 Maps)

EarthX (fixes Google Earth on old iOS devices)

iTunesStoreX (fixes iTunes stores for old iOS devices)

StoreLayoutsFix (fixes iTunes layout issues on iOS 6)

Tutorial On How To Fix Game Center iOS 5 through 7 (No SSL KillSwitch)

iLauncher (iOS 6 theme for Android)

iOS 6 Replica on android !!! (Assortment of iOS 6 apps, icons, ringtones and wallpapers for Android)

Launcher 10 (Windows Phone 10 theme for Android)

Metro UI Launcher 8.1 (Windows 8.1 Tablet theme for Android)

Groove Launcher (Windows Phone 8 theme for Android)

Retiled (Windows Phone 8.x theme for Linux phones)

Lynn Launcher (MeeGo 1.2 theme for Android)

Meeye, Classic MeeGo Icon Pack (Paid)

Belle ui for Klwp/Kwgt (Symbian launcher for Android, requires KLWP or KWGT)

Donut Launcher 1.3 (Android 1.3 theme)

Android 4.0 ICS Launcher

Launcher 4.4.2 (Android 4.4.2/KitKat theme)

Android 4.4.4 (KitKat) Launcher

Android 5.0 (Lollipop) Launcher

Android Lollipop theme for iOS

Launcher <3 (Android 7-11 theme)

Galaxy S Launcher (Samsung Galaxy Touch Wiz theme for Android)

Nova Launcher (Android launcher, not old inherently, needs themed)

Nokia Theme for Nova Launcher

Nokia 1280 Launcher (for Android)

Holo Launcher (old Android launcher)

Android Icons (3, 5)

Android 4.0, 4.1 and 4.4 icons

Android KitKat AOSP Keyboard

Android KitKat Gallery

Android Market Webapp

Market Reborn (classic Android Market)

Holo Web (Honeycomb, ICS, Kitkat CSS themes)

Honeycomb Clock (Android 3.x clock)

Ice Cream Sandwich Clock (Android 4.x clock)

Sense flip Clock

Old Camera for Android

Android Honeycomb Camera

Android 5/6/7 AOSP Camera

Old Clock for Android

Android 1.6 Donut Alarm Clock

Android 1.6 Donut Global Clock

Android 1.6 RSS Reader

Android 1.6 Notepad

Android 1.6 Official Example Games

Android Easter Egg Archive

Phone Ringtone Archive

Nexus Revamped (Nexus Live Wallpaper for newer Android phones)

Android 4.x Phase Beam Wallpaper

Android 4.x Bubbles Wallpaper

Android 4.x Black Hole Wallpaper

Home Screen Tips widget for modern Android

Google Classic Car Home

Galaxy Tab A Screensaver

ReLiveWP (restores some functionality to Windows Phone 7/8)

Live Store (Windows Phone 8.1 store)

Windows Phone 7 Apps for Android

Tango (allows new Android devices to run older apps)

J2ME-Loader (allows new Android devices to run older Java apps)

WPR (allows new Android devices to run older Windows Phone games)

touchHLE (allows new Android devices to run older iOS games)

EKA2L1 (allows Android devices to run Symbian OS/N-Gage apps)

Nofun (allows Android devices to run Mophun apps)

Mythras (allows Android devices to run Mythroad apps)

BREWEmulator (allows Android devices to run Mythroad apps)

HTC Sense Apps port for All Devices