Crystal
crystal-lang.orgCompile Ruby-inspired, statically typed Crystal programs into native executables.
Compile Ruby-inspired, statically typed Crystal programs into native executables.
Create compiled programs and reusable modules with Go's language and standard toolchain.
Generate concrete syntax trees that stay responsive while source code changes.
A dynamic programming language with an interactive development workflow and a JVM-based library ecosystem.
A terminal-native editor built around multiple selections, syntax-aware navigation, and language-server features.
Test language support through shaping behavior as well as character coverage.
An interactive programming language for technical and numerical computing.
Build apps, command-line tools, and services with Swift's compiled programming language.
Write programmable configuration with validation and generate JSON, YAML, and other output formats.
A source and web editor with built-in HTML preview, file tools and language-server support.
Illustrated programming lessons with browser coding practice
Turn a concise text description into a customizable diagram with the D2 language.
AI language tutor for conversation practice in 30+ languages
AI language tutor for speaking, listening, writing, and pronunciation practice in 130+ languages.
Kanji and vocabulary study using mnemonics and spaced review.
Language courses with speaking practice and community exchange.
Build native programs with Rust and manage their packages and builds through Cargo.
Experiment with financial language models, sentiment and forecasts
A functional language and Mix toolchain for maintainable applications on the Erlang ecosystem.
Summarize files, code, comments, and blank lines across a project by programming language.
Orthography data and tools for investigating font language support.
Usability and navigation research with local-language support
Website popups with language-specific targeting and interactive design previews.