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Connect payment methods, token storage and routing in visual workflows

A facilitated agile whiteboard with private writing, timers, voting, templates, and action tracking.

Create standalone Spring applications with auto-configuration and an executable application package.

Recover exact sprite colours or reduce an image to a smaller palette.

Social media management platform for publishing, engagement and analytics

Business video hosting with custom players and analytics

Edit Python in a scientific IDE with an interactive console, variable inspection, plots, and debugging tools.

SQL exercises running against SQLite in the browser

A detective story solved by querying a database

Automate supported database migrations to Microsoft's SQL platforms

Translate SQL schemas and program objects between database dialects

Use a compact, serverless SQL database embedded directly into an application.

Track Nigerian bank transfers and collect through links or checkout

Take payments at a counter, online or through an invoice

Manage service bookings, staff availability, customer reminders, and payments in one appointment system.

Compare market-structure measurements with their historical outcomes

Token swaps across chains with routing tools for applications

Write naturally by hand and add PDF pages to notes for markup.

Convert, combine, and inspect firmware load-file formats

AI clip maker that turns long videos into short vertical clips.

Log-driven blocking for repeated service attacks

Inspect the TLS configuration of a public web server

Check certificate installation and chain problems

Bring Bangladeshi cards, wallets and bank payments into one checkout