Web Development

A web service where you can register payment dates, amounts, and cards for multiple subscription services like Netflix, Spotify, and Adobe in one place, and manage monthly total spending and renewal notifications.

An interactive creative platform where you set the genre, background, and protagonist, then write chapters together with AI. It works through a collaborative approach where AI suggests the next scene and the user edits and decides the direction.

A platform to share Mac and Linux development environment setup scripts (dotfiles, package installation, aliases, etc.) and apply them to new environments with one click.

A platform that matches early-stage startup founders with angel investors based on industry, stage, and investment size. Detailed information is only disclosed after expressing interest to maintain confidentiality.

A wiki platform where teams and communities can collaborate to write and edit documents together. It provides a markdown editor, version history, full document search, and page link graphs.

Submit your English essays, emails, or reports and receive detailed feedback and improved versions as AI analyzes grammar, vocabulary, logical structure, and writing style.

A web dashboard that collects and visualizes IoT air quality sensor data (CO₂, fine dust, temperature/humidity) in real-time. It sends alerts when standards are exceeded and recommends ventilation times.

A collaboration platform where you can upload software i18n files (JSON/PO/YAML) and community translators can directly translate and review them on the web. It also supports automatic PR submission through GitHub integration.

Input your current tech stack and target role (Backend/ML Engineer/DevOps, etc.), and AI will generate a career roadmap with step-by-step learning paths, recommended resources, and estimated timelines.

A service where you input your invention idea and AI searches for similar patents in domestic and international patent databases, analyzing infringement risks and distinguishing features. It's a preliminary investigation tool for startups and inventors.

An analytics dashboard that helps creators publishing newsletters on Mailchimp, Substack, Resend, and more to understand subscriber growth and decline, open rates, click rates, and churn reasons at a glance.

A marketplace where you can buy and sell well-crafted AI prompts. It offers category-based prompt exploration, preview execution, and seller revenue settlement features.

An online spreadsheet service where multiple people can edit simultaneously. It supports formulas, cell formatting, filters, and charts, and also provides change history and comment features.

A service that generates customized cover letters and self-introductions tailored to the job by inputting job postings and resumes with AI. It also offers tone and length adjustment features and A/B version comparison functionality.

A service that helps startups quickly create product roadmaps, release notes, and idea boards to share with users. Users can request features and vote on them.

A study platform where algorithm problems are posed weekly and participants compete by submitting code and ranking. It includes a code execution sandbox and solution explanation features.

A service that automatically generates on-call rotation schedules for development teams and sends notifications. You can also set up fair shift assignments considering holidays and time off, as well as escalation policies.

A service that analyzes your business idea and generates a validation report by having AI analyze market size, competitors, target customers, revenue models, and risks. It also includes automatic Lean Canvas completion.