Web Development

A community calendar service where anyone can register neighborhood pop-up stores, flea markets, and local events and find them on a map. You can also receive notifications for new events by setting your area of interest.

A community service where developers share and vote on tech stacks used in their projects, displaying popular technology trends monthly through charts.

A web tool that uploads webpack·vite·rollup build results (stats.json), visualizes module sizes as a treemap, and finds unnecessarily large dependencies.

A simple A/B testing service that distributes visitors 50:50 between two registered URLs and compares click-through rates, time on page, and conversion rates.

Preview various CSS animations like button clicks, hovers, and loading spinners, then adjust parameters (speed, color, size) to generate custom code that you can copy instantly.

A dashboard where you can register all SaaS subscriptions used by your team or company and understand monthly expenses at a glance. It analyzes costs relative to usage and suggests subscriptions that can be reduced.

A service that generates fake REST API endpoints that can be called immediately by defining JSON schemas or example responses. It's useful when working on frontend development without a backend.

A web app that automatically generates commit messages matching your desired convention such as Conventional Commits and Gitmoji when you paste in changed code diffs.

Get a unique endpoint URL to receive, inspect, and resend webhook requests from external services (Stripe, GitHub, etc.) in real-time. A debug tool for webhook testing.

A web service that analyzes code by pasting GitHub PR URLs or code snippets, where AI automatically identifies potential bugs, performance issues, and coding convention violations while suggesting improvements.

An online editor where you can write text-based diagram code such as Mermaid, PlantUML, and D2, view real-time SVG previews, and export to PNG/SVG.

A platform that recommends 'good first issue' tasks tailored to first-time open source contributors based on difficulty level, programming language, and contribution type.

Paste your resume and job posting together, and AI analyzes keyword matching rate, ATS parsing issues, and improvement points to suggest ways to increase your acceptance rate.

A public status page builder that displays the real-time status of service components such as API, DB, and CDN, and registers and updates incidents when outages occur.

A service for indie game developers to create pre-launch registration landing pages without coding, collect emails, and add Steam and App Store wishlist integration buttons.

A service that visualizes your team's overall technology distribution through heatmaps and radar charts when team members register their technical skills and proficiency levels, and helps identify skill gaps.

Enter your business idea and target investors, and AI automatically creates pitch deck slides covering problem, solution, market, team, and revenue model.

An API service that takes title, description, and logo as URL parameters and immediately renders and returns OG images for SNS sharing. It provides a free tier and custom template editor.