DrRacket
docs.racket-lang.orgA graphical Racket development environment with interactive evaluation, language selection, and debugging tools.
A graphical Racket development environment with interactive evaluation, language selection, and debugging tools.
QR transaction signing with ZERO hardware and a separate physical backup
Track site speed and Core Web Vitals with lab tests, visitor data, and uptime alerts.
Standardized digital-asset trade, derivatives and order-book datasets
European VAT records and filing services with a tax-letter inbox
A browser IDE that pairs a cloud Linux workspace with a code editor, terminal, and server tools.
Explore photograph-based palettes with copyable hex colours and related combinations.
Artwork discovery and free downloads of public-domain reproductions
Share a colour pair with its WCAG text-contrast result.
Marketing reports, goal monitoring and checks for broken data connections.
A lightweight self-hosted dashboard for server, container, disk-health, and network monitoring.
Accounts, project budgets and bills on Android and web
Edit docs in a visual workspace and optionally keep Markdown content synchronized with Git.
Concentrated-liquidity exchange with limit-order tools
Share a family calendar with household lists and meal planning.
Choose numbered shades whose separation indicates minimum contrast.
Find named, community-contributed gradients for design and code.
Official product and category symbols with a separate legacy set.
An interactive Python IDE that pairs a source editor with a shell and introspection tools.
Build transactional applications on a distributed, ordered key-value store.
AI task manager that pairs private to-do lists with shared Kanban boards for small teams.
Instructor-led AI math tutoring and assignment manager for higher education
Adjust CSS colour pairs and inspect their changing contrast ratio.
Inspect euro-area indicators with their statistical definitions