
Teamy
OutyPlay
GameOn
ChucK
Heja
RosterBot
TeamSnap
Virtually
Code Arcade
CodinGame
hackattic
Daily Coding Problem
Frontloops
Code Racer
Real Dev
Codewars
TeamyBased on our record, Code Arcade should be more popular than Teamy. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Teamy has no restrictions on the number of users or the number of teams and events. More info can be found on: https://teamy.online/en. Source: over 5 years ago
You can practice your code solving skills here: Https://app.codesignal.com/arcade Https://leetcode.com/problemset/all/. Source: about 3 years ago
CodeSignal's Arcade (signup required) has a lot of practice problems at different levels that can help break you out of the mindset of copying tutorial code. Source: over 4 years ago
I like the Databases section of CodeSignal Arcade. Problems increase in difficulty, plus I've found it's the platform a lot of companies use for SQL assessment so you'll get a good sense of the type of questions to expect. Source: over 4 years ago
Codesignal has a good set of SQL questions. Not sure they "support" Postgres, but there's 84 free levels under the Arcade section. https://app.codesignal.com/arcade. Source: over 4 years ago
OutyPlay - Join sports matches, create your own games and tournaments
CodinGame - CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.
GameOn - Talk Trash Like a Boss
hackattic - No nonsense, real world programming challenges
ChucK - A strongly-timed music programming language
Daily Coding Problem - Get exceptionally good at coding interviews