Here are my solutions to the 100 Days of SwiftUI course by Paul Hudson. I very much recommend trying to complete these yourself before looking at other solutions.
10/12/2019: There are some bugs with Picker in XCode 11.1 that affect my Day19Challenge project in particular. They are fixed in XCode 11.2 using the iOS 13.2 simulator.
WeSplit (Days 16-18)
Original project (03dbb40)
After Day 18 challenges (ed9be4a)
After Day 24 challenges (master)
Day19Challenge (Day 19)
Original project (master)
GuessTheFlag (Days 20-22)
Original project (628c339)
After Day 22 challenges (f037e02)
After Day 24 challenges (57fbd9b)
After Day 34 challenges (master)
ViewsAndModifiers (Days 23-24)
No project files
Day25Challenge (Day 25)
Original project (master)
BetterRest (Days 26-28)
Original project (cf1e1fd)
After Day 28 challenges (master)
WordScramble (Days 29-31)
Original project (4f50943)
After Day 31 challenges (master)
Animations (Days 32-34)
No project files
Day35Challenge (Day 35)
Original project (master)
iExpense (Days 36-38)
Original project (e032bb4)
After Day 38 challenges (master)
Moonshot (Days 39-42)
Original project (2cdbc8d)
After Day 42 challenges (master)
Drawing (Days 43-46)
Original project (566ab8e)
After Day 46 challenges (master)
Day47Challenge (Day 47)
Original project (master)
CupcakeCorner (Days 49-52)
Original project (3386229)
After Day 52 challenges (master)
Bookworm (Days 53-56)
Original project (d9b9386)
After Day 56 challenges (master)
CoreDataProject (Days 57-59)
Original project (39f4faa)
After Day 59 challenges (master)
Day60Challenge (Day 60)
Original project (master)