Search results

Rebuild familiar software through staged coding challenges

Host a simple upload-and-link sharing service

Check download and upload bandwidth separately

AI sales outreach and cold email platform for multichannel campaigns.

AI data and dialing tools for commercial real estate prospecting

A local, open-source AI app builder for macOS, Windows and Linux.

Make large letters from ordinary text characters

Food journaling with detailed nutrients and a free barcode scanner

Growth automation software for inbound and outbound marketing and sales teams.

A free online tool that estimates dog breeds from a photo.

Crime-themed SQL missions with a query guide

Operate an FTP server with virtual-user controls

Physics calculations with visual explanations

Convert and transform structured data with visible intermediate steps

Load files and migrate databases into PostgreSQL with casting rules

Explore and convert tabular data in a terminal

Find landscape plants for North Carolina conditions

AI data analyst that turns questions into SQL queries, insights and dashboards.

Airfoil comparison, plotting and geometry calculations

Vector database and AI ranking platform for search and recommendations.

Product-based cloud cost estimates

Programming tutorials with topic-specific exercise collections

A searchable chess-game archive with community discussion

Structural language properties in a comparative database