Covers 109+ languages, frameworks, and roles
CodeSubmit Library
The CodeSubmit library is a curated collection of real-world coding challenges for all your technical roles.
Python
Django
Bootstrap
Docker
React
Vue
Backbone
Android
Angular
Node.js
iOS
JavaScript
TypeScript
Dart
Ruby
Java
Scala
Kotlin
PHP
Go
C#
C++
Elixir
Elm
Nim
Clojure
Perl
React Native
SQL
AngularJS
Ember
Svelte
Gatsby
Next.js
Flutter
AngularDart
Flask
Express
Nest
Hapi
Sails
Meteor
Ruby on Rails
Sinatra
Play
Spring
Ktor
Laravel
Symfony
Yii
CakePHP
CodeIgniter
.NET
WordPress
Swift
Rust
C
Full Stack
DevOps
Preact
Adonis
AlpineJS
RedwoodJS
Total.js
Bottle
Gin
CherryPy
Falcon
TurboGears
Tornado
Phoenix
Pyramid
FastAPI
Lumen
Fastify
LoopBack
Relay
Grails
Hanami
Actix
QA & Automation
Blockchain
Data Science & Engineering
Yew
Smithy
Julia CodePair
Bash CodePair
Lua CodePair
Erlang CodePair
Python CodePair
JavaScript CodePair
TypeScript CodePair
Ruby CodePair
Java CodePair
Scala CodePair
Elixir CodePair
PHP CodePair
Go CodePair
C CodePair
C++ CodePair
C# CodePair
Clojure CodePair
Rust CodePair
Swift CodePair
D CodePair
Dart CodePair
React CodePair
Objective-C CodePair
OCaml CodePair