Pkl
pkl-lang.orgWrite programmable configuration with validation and generate JSON, YAML, and other output formats.
Write programmable configuration with validation and generate JSON, YAML, and other output formats.
Connect existing storage to file-transfer and collection workflows
A source and web editor with built-in HTML preview, file tools and language-server support.
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.
Crypto exchange with multiple fiat funding currencies
Serialize structured data with schemas and compact binary encoding across supported programming languages.
A language-course library with personal and institutional access routes.
Searchable language lessons organized by level and modality.
AI tool that writes cover letters in any language using large language models
Audio and video language lessons with study tools.
Cross-chain crypto conversion through aggregated exchange liquidity
Donation-supported language materials without registration.
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.
A statically typed language and compiler toolchain for building native and bytecode programs.
A graphical Racket development environment with interactive evaluation, language selection, and debugging tools.