KotlinMultiplatformStuff
Libraries
Ktor
Client/Server networking
Kotlinx.Coroutines
Support library for coroutines. Native are single-threaded only, so kind of a waiting situation.
Kotlinx.Serialization
Kotlin cross-platform / multi-format reflectionless serialization
SqlDelight
Multiplatform SQLite model facilitation library.
SQLiter
Lightly opinionated Sqlite access driver.
Multiplatform Settings
Multiplatform access to "Shared Preferences" and "NSUserDefaults". Single value data storage for mobile.
Stately
State and threading facilitation library for Multiplatform.
kotlinx.io
Kotlin multiplatform I/O library
OKIO2
Modern I/O library. Multiplatform in progress.
Knarch.db
(Deprecated-ish. See SQLiter) SQLite access library with Android-like structure and interface. Pair with SqlDelight for shared mobile sql See Droidcon app
Kotlin-Multiplatform-Firebase
Kotlin Multiplatform - Android/iOS/Web/Node.Js(FIrebase).
kotlin-libui
Kotlin/Native interop to libui: a portable GUI library.
klock
Date and time library for Multiplatform Kotlin 1.3
korma
PortableMathematic library for Kotlin (JVM, JS, Native and Common).
Videos - KotlinConf
Multiplatform and Native specific
Conference Opening Keynote by Andrey Breslav
Important notes about native and discussion of the "Saner Concurrency" future.
Kotlin/Native Concurrency Model by Nikolay Igotti
About state and threading in Kotlin/Native. You must understand this stuff to be productive with Native.
A Multiplatform Delight by Jake Wharton and Alec Strong
SqlDelight, multiplatform.
iOS Architecture with Multiplatform by Kevin Galligan
My video. About the current state of the ecosystem.
Making Noise with Kotlin Native by Josh Skeen
Life with Kotlin/Native
Live Coding Kotlin/Native Snake by Dmitry Kandalov
More Kotlin/Native samples.
Effective Multiplatform Kotlin Development by Marcin Moskala
I think this is a bit more about JVM+JS. Library list needs a refresh. Good talk, though.
General but useful
Kotlin Coroutines in Practice by Roman Elizarov
We're waiting on multithreaded coroutines, but this kind of stuff will be super important once that's available.
Writing Your First Kotlin Compiler Plugin by Kevin Most
API isn't public yet, but this will be very important for library dev.
Dissecting the stdlib by Huyen Tue Dao
Understanding stdlib, without JVM, will be pretty important.
Sample Apps
Kotlinconf App
From JetBrains
DroidconKotlin
From Touchlab