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