The best alternatives to Exercism are DEV Community, CodiMD, and devquestions. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Exercism?
Blaze— Create beautiful 1-click content in your brand style with AI
DEV is a community of software developers getting together to help one another out. The software industry relies on collaboration and networked learning. We provide a place for that to happen.
CodiMD is the community fork of HackMD. Collaborative real-time editing of Markdown, plus: * Sublime, emacs, and vim editor modes, with night mode option * Slide mode with RevealJS * Host it yourself with one-click deploy to Heroku or Cloudron.
devquestions.co - a new developer question every weekday. Learn from a community of developers around the world, via Product Hunt and Twitter. 💪 Powered by @byteconf – free developer conferences, streamed online on Twitch