CodeTrain
CodeTrain is a training tool for engineers who ship with AI and can no longer explain everything they shipped. It takes a question, a repo, or an onboarding task and turns it into a short lesson of two to six steps against the real code. The learner types every line. The tutor plans the steps, runs the code, grades each attempt, and makes the step smaller when someone is stuck instead of handing over the answer outright. The free tier executes Python in the browser through Pyodide, so nothing leaves the machine and the tier costs almost nothing to run. Server-side sandboxes handle the shell and toolchain lessons. The control plane is FastAPI on Fly.io, the front end is static on Cloudflare Pages, auth is Clerk, billing is Stripe. Tutoring runs on Claude models by default, and bring-your-own-key is supported for Anthropic, Bedrock, Vertex, OpenAI-compatible endpoints, and Ollama, so a team can keep inference on infrastructure it already owns.
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CodeSync Club
CodeSync Club is an app where students can learn coding (HTML, CSS & JavaScript) with AI teachers, by building fun apps & games. Students can choose from a list of courses built with AI or can also create a course in their native language (e.g Chinese/Hindi/Bengali) by prompting.
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CoreIDE
CoreIDE is a full stack IDE for Java, JavaScript, Node.js and TypeScript developers who work on Spring, Spring Boot, React, Express, Vue, Backbone, AngularJS and other web framework based applications. The IDE is not only limited to web development, you can use it to develop other type of projects like desktop, command line, mobile or stand alone applications. It's free Community version contains all the available features.
Java • JavaScript • Node.js • TypeScript • Spring • Spring Boot • React • Express • Vue • Backbone • AngularJS
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Codelicious
Codelicious Computer Science Curriculum is grade-level differentiated, aligns with state and national computer science standards, and is continually updated to reflect changes in computer science. Since computer science is more than just coding, Codelicious courses include coding, unplugged, digital citizenship, and STEM career lessons as well as hardware integrations. Explore all courses. Inspire your students with courses that spark their creativity. Coding lessons use Scratch, a block based coding language, ideal for the transitional and fluent reader. Motivate your students with courses that connect to their world. Coding lessons use line based languages JavaScript, HTML, CSS, and Java to explore programming options. Empower your students with courses that expand their skills. Coding lessons use JavaScript, Java, Python, and Godot to develop websites, programs, and games.
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