Whatever tool you want to build, you can do it without code

https://www.makerpad.co/
Interesting concept, a glue-for-glues.

How to easily convert your existing Laravel application into a Progressive Web App by using WorkBox

https://shareurcodes.com/blog/how-to-easily-convert-your-existing-laravel-application-into-a-progressive-web-app-by-using-workbox
If PWAs are the future, here's a way forward.

Everything You Need to Know About PWAs

https://medium.com/better-programming/everything-you-need-to-know-about-pwas-8e41a7e745aa
Well maybe not EVERYTHING, but it's a good intro.

Flutter is Google’s portable UI toolkit for building beautiful, natively-compiled applications for mobile, web, and desktop from a single codebase.

https://flutter.dev/
Portable UI tools for mobile, desktop, etc.

A doc as powerful as an app.

https://coda.io/welcome
A strange online web form/app builder we'll see. At least they have an API.

Why You Don’t Need to Make an App: A Guide for Startups Who Want to Make an App

https://medium.com/forbes/why-you-dont-need-to-make-an-app-a-guide-for-startups-who-want-to-make-an-app-595d0ecb3672
Been trying to tell clients this for years.

How I built an app with Vulcan.js in four days

https://medium.freecodecamp.org/how-i-built-an-app-with-vulcan-js-in-four-days-6368814077b1
Interesting new mobile development mashup.

An Introduction to Flutter: The Basics

https://medium.freecodecamp.org/an-introduction-to-flutter-the-basics-9fe541fd39e2
Interesting new mobile development platform

Building Mobile Apps With Capacitor And Vue.js

https://medium.com/@smashingmag/building-mobile-apps-with-capacitor-and-vue-js-944b22ec4780
Developing a mobile page, progressive app, in Vue.

Vue.js and Firestore

https://medium.com/@smashingmag/hit-the-ground-running-with-vue-js-and-firestore-8b45d6a9fa0b
Interesting backend-as-a-service from the google cloud folk.

How we spent 30k USD in Firebase in less than 72 hours

https://hackernoon.com/how-we-spent-30k-usd-in-firebase-in-less-than-72-hours-307490bd24d
Yeah, caching is important. 

Create a working prototype within minutes

https://www.skaffolder.com/?coupon=indiehacker#/home
Interesting rapid prototype system for mobile applications.

Build beautiful native apps in record time

https://flutter.io/
Google's SDK for building andriod (and IOs, sorta) mobile apps.

An iOS Developer on React Native

https://medium.com/ios-os-x-development/an-ios-developer-on-react-native-1f24786c29f0
It was hard to switch from Swift, but this developer has learned to embrace React Native. 

Comparing the Performance between Native iOS (Swift) and React-Native

https://medium.com/the-react-native-log/comparing-the-performance-between-native-ios-swift-and-react-native-7b5490d363e2
For mobile development, looks like the performance of ReactNative and Swift are very comparable.

React Native vs Real Native Apps

https://codeburst.io/react-native-vs-real-native-apps-ad890986f1f
Comparing Native Mobile apps to React. 

I’ve seen heaven. And it’s written in JavaScript.

https://medium.com/@mobitar/ive-seen-heaven-and-it-s-written-in-javascript-7476ba2f8c
Waxing rhapsodic about React Native.

Why your API may be a better investment than your App

https://startupsventurecapital.com/why-your-api-may-be-a-better-investment-than-your-app-9277c2c1daed
Is you API more valuable than your app?

The Language that Stole Android Developers’ Hearts

https://backchannel.com/the-language-that-stole-android-developers-hearts-807fdbf07c2a
Google scores major points by supporing Kotlin as a 1st class Android development language. 

Weex - a framework for cross-platform mobile UIs

https://weex.apache.org/
Certainly the best-looking website I've seen for an Apache project. An interesting take on cross-platform apps.