PORTUGUESE
-> DEVCHALLENGE - https://devchallenge.now.sh/challenges
-> DESAFIOS DO CÓDIGO - https://desafiodocodigo.com.br
-> DESAFIO 333 - https://github.com/codigofalado/desafio333
-> GUIA FOCA - https://www.guiafoca.org
-> HACKEREARTH - https://www.hackerearth.com/pt-br
-> OS PROGRAMADORES - https://osprogramadores.com
-> SPHERE ONLINE JUDGE - https://br.spoj.com
-> URI ONLINE JUDGE - https://www.beecrowd.com.br
======================================
ENGLISH
-> ADVENTOFCODE - https://adventofcode.com
-> ALGO EXPERT - https://www.algoexpert.io
-> ASSESSMENTS - https://www.hirevue.com
-> BEGINNER PROBLEMS - https://tausiq.wordpress.com
-> BINARY SEARCH - https://binarysearch.com
-> BUTUNCLEBOB - http://butunclebob.com
-> OVER THE WIRE - https://overthewire.org
-> CODE FORCES - http://codeforces.com
-> CODERWALL - https://coderwall.com
-> CODE AVENGERS - https://www.codeavengers.com
-> CODE ABBEY - https://www.codeabbey.com
-> CODING BAT - https://codingbat.com
-> CODERBYTE - https://www.coderbyte.com
-> CODE CHEF - https://www.codechef.com
-> CODE COMBAT - https://codecombat.com
-> CODESIGNAL - https://codesignal.com
-> CODE GYM - https://codegym.cc
-> CODEWARS - https://www.codewars.com
-> CODINGAME - https://www.codingame.com
-> CODE FORCES - https://codeforces.com
-> CODING DOJO - https://codingdojo.org
-> CODE KATA - http://codekata.com
-> CODING STREET - https://codingstreet.io
-> CSES - https://cses.fi
-> CMD CHALLENGE - = https://cmdchallenge.com
-> 4CLOJURE - https://www.4clojure.com/problems
-> CHECKIO - https://checkio.org
-> CYBER DOJO - https://cyber-dojo.org/creator/home
-> KAGGLE LEARN - https://www.kaggle.com
-> DALY CODING PROBLEM - https://www.dailycodingproblem.com
-> DATACAMP - https://campus.datacamp.com
-> DMOJ - https://dmoj.ca/problems
-> EDUCATION COLSYSTEM - https://www.education-ecosystem.com
-> EXERCISM - https://exercism.io
-> EDABIT - https://edabit.com/challenges
-> ELEVATOR SAGA - http://play.elevatorsaga.com
-> FREECODECAMP - https://www.freecodecamp.org
-> FIRE CODE - https://www.firecode.io
-> FLIP CODE - https://code.fliprobot.com
-> GEEKS FOR GEEKS - https://www.geeksforgeeks.org
-> REGEX CROSSWORD - https://regexcrossword.com
-> RUBYQUIZ - http://rubyquiz.com
-> GUVI - https://www.guvi.in
-> GURU99 - https://www.guru99.com
-> HACKER RANK - https://www.hackerrank.com
-> INTERVIEWBIT - https://www.interviewbit.com/practice
-> JS CHALLENGER - https://www.jschallenger.com
-> JSROBOT - https://lab.reaal.me/jsrobot
-> JAVASCRIPT 30 - https://javascript30.com
-> KATAS CODE - https://katas.softwarecraftsmanship.org
-> KATA LOG ROCKS - https://kata-log.rocks
-> KAGGLE - https://www.kaggle.com
-> KEEPONCODING - https://keeponcoding.io
-> LEET CODE - https://leetcode.com
-> LINTCODE - https://www.lintcode.com
-> LEARNGITBRANCHING - https://learngitbranching.js.org
-> FREECODECAMP - https://www.freecodecamp.org/learn/
-> ONLINE JUDGE - https://code.fandom.com
-> OPEN KATTIS - https://open.kattis.com
-> OPEN VIM - https://www.openvim.com
-> PERLWEEKLY CHALLENGE - https://perlweeklychallenge.org
-> PRAMP - https://www.pramp.com
-> PRACTITY - https://practity.com
-> PRACTICE PYTHON - https://www.practicepython.org
-> PYNATIVE - https://pynative.com
-> PROGRAMMING TUTORIALS - https://www.hackerearth.com
-> PROGRAMIZ PRO COMMUNITY CHALLENGE - https://app.programiz.pro/community-challenges
-> PROGRAMIZ - https://www.programiz.com
-> PROJECT EULER - https://projecteuler.net
-> PRROGRAMMING CHALLENGES - https://ryanstutorials.net/programming-challenges
-> PROGRAMMR - http://www.programmr.com
-> PM EXERCICES - https://www.productmanagementexercises.com
->RILEYJSHAW - http://rileyjshaw.com/challenger
-> SCALER - https://www.scaler.com/topics/challenges
-> SOALIND - http://rosalind.info
-> SCREEPS - https://screeps.com
-> SILENT TEACHER - http://silentteacher.toxicode.fr
-> SPOJ - https://www.spoj.com
-> SOLO LEARN - https://www.sololearn.com
-> SHORTCUTFOO - https://www.shortcutfoo.com
-> TYPESCRIPT EXERCICES - https://typescript-exercises.github.io
-> TOP CODER - https://www.topcoder.com
-> TUTORIAL REPUBLIC - https://www.tutorialrepublic.com
-> VIM ADVENTURES - https://vim-adventures.com
-> VIMGENIUS - http://www.vimgenius.com
-> 30 SECONDS OF CODE - https://www.30secondsofcode.org
=========================================================