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.
Run DuckDB-based analytics in a managed cloud warehouse and share results with a team.
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.
Retail and custom type with a detailed on-site font tester.
Capture and group application errors, then use stack traces and release context to investigate the failures reaching users.
Call Claude models through a REST API, official SDKs, and asynchronous batch endpoints.
Collect infrastructure and application telemetry, then explore logs, traces, metrics, and user behavior together.
Turn address text into OpenStreetMap place results, or look up an address from coordinates.
Combine application error reports with external uptime checks and missed-job alerts.
Render data-driven text and HTML from reusable templates with Python-inspired syntax.
AI language tutor for conversation practice in 30+ languages
AI language tutor for speaking, listening, writing, and pronunciation practice in 130+ languages.
A type collective with related proportional and monospaced families.
Add bank payments and organized financial data to customer applications