The best alternatives to Coderslang are Real Dev, hackattic, and HackerRank. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Real Dev is a platform to challenge developers with real-life coding tasks. It's a platform to learn backend and frontend projects by doing. It's also a recruiting assessment tool for business to hire engineers with practical skills.
hackattic is an attempt to show people that programming challenges right now are DULL, lack creativity and are a sad way to estimate someone's skills. It's a very, very early phase, hacked up over a few lazy weekends, which the simple intention of making step zero out of possibly many to come.
HackerRank is a technology company that focuses on competitive programming challenges for both consumers and businesses. It is is a place where programmers from all over the world come together to solve problems in a wide range of Computer Science domains such as algorithms, machine learning, or artificial intelligence.
You have the coding skills to do the job, but do you know how to get the attention of your first employer? Career Switch To Coding is a book that takes you from an unknown coder to turning down more job offers than you accept.
With Takehome you can administer at-home coding challenges to your candidates in a way that respects and values their time. Create your own challenges or pick form a range of sample challenges. Any language, any framework. Takehome makes it simple to keep track candidates and review their responses as a team.
What is HackerPen? It is a collaborative, technical interview platform with real-time feedback. The demo video shows you how to use HackerPen for technical interviews, and practice of technical interviews.
HackerTest is a guide that helps you to prepare for your tech interview. HackerTest helps to improve your tech & programming vocabulary. As well as, learning new things for your software engineering & development career.
Hireglyph is a collaborative interview preparation platform for quant finance. Users can prepare for interviews by accessing a variety of verified interview questions while learning from a community of problem-solvers.
Good Code offers free Adobe XD templates that you can use to sharpen your HTML and CSS skills, you can post your results over at /r/GoodCodeChallenge for feedback.