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Build web pages and command-line programs with a general-purpose scripting language and interpreter.

Explore data and create statistical summaries and graphics in R's language environment.

Use a compact scripting language on its own or embed its interpreter through a documented C API.

Explore an interpreted object-oriented language for web applications, scripts, and text-processing tasks.

Programming rounds and practice problems in one hub

Programming explanations alongside algorithm practice

Build early-career evidence through practice, competitions and mentorship

AI conversations with corrections and saved vocabulary.

Alphabet and simple-syllable learning software with language-based practice.

Build type-safe concurrent programs for the Erlang virtual machine or compile them to JavaScript.

Coding tutorials and practice with online development tools

Language activities with games and teacher progress tools.

ASL courses with instructor feedback and practice events.

Find a pen pal, chat partner or local language exchange.

AI language tutor with lessons that adapt to you

Write statically typed Nim programs and compile them with a toolchain designed for systems and application work.

Build JVM and multiplatform applications with an open-source language and compiler toolchain.

Conversation coaching connected to university language classes.

Cambridge English preparation with vocabulary, grammar and exam-skill resources for students and teachers.

Share columnar in-memory data across languages with a common format and library ecosystem.

Automate text-heavy tasks and build scripts with Perl's mature language and module ecosystem.

Coordinate allied-health appointments with a clinic calendar linked to patient records and operational reports.

Animated English stories with songs, games and tools for organising reading practice.

Coordinate clinic appointments and online booking alongside charting, billing, and client communication.