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These are HARO’s in-house products, actually used in real business operations.
EST is an HR and labor management system for Japanese companies operating in Vietnam.
With automatic integration of attendance and payroll, and automatic compliance with local labor laws, it significantly reduces on-site confusion and human errors.
You can centrally manage information in Japanese and Vietnamese.
E-Document is an enterprise system designed for long-term operation, driven and managed in-house, integrating document management and approval workflows.
It consolidates essential features for document operations—such as multi-step approvals, history tracking, and deadline management—so you can run it flexibly in line with your business rules.
A next-generation production scheduler that automatically builds production plans.
It simultaneously considers multiple conditions such as equipment, processes, capacity, and delivery dates,
and quickly creates executable plans that can be used as-is on the shop floor.
No complex operations or specialized knowledge are required.
Nova transforms production planning from a “person-dependent task”
into a “reproducible system anyone can use.”
SaaS
A cloud service that accelerates AI and DX.
Koe is a multilingual voice documentation platform.
Simply upload audio or video files to automate AI transcription, meeting minutes generation, multilingual translation, and PDF export.
Supporting Japanese, Vietnamese, and English, it streamlines meeting documentation for global teams.
Comprehensive features include project-based management, glossary for translation quality, approval workflows, and AI chat for leveraging meeting records.
AITracer is an observability SaaS that visualizes execution logs, costs, and performance of LLM applications.
Compatible with major providers including OpenAI, Anthropic, and Google AI.
Simply integrate the Python SDK to enable per-API-call cost tracking, latency analysis, and error monitoring.
Ideal for understanding LLM usage in team development, budget management, and production environment monitoring.
Menumo is a digital menu and order management service for restaurants.
Leveraging QR code-based smart ordering, it enables contactless order placement and multilingual support.
Menu updates can be easily managed online, helping streamline operations and boost sales.
A flexible SaaS solution that scales from small single-location shops to multi-store operations.
OPEN SOURCE
OSS / For Developers
We publish technologies born from our in-house development as open source.
react-gantt
A simple and high-performance React Gantt chart.
Supports virtual scrolling that runs smoothly with up to 10,000 tasks, drag & drop editing, hierarchical tasks, and flexible customization.
Full TypeScript support.
jpform
A headless UI library specialized for Japanese business forms.
Covers essential features such as postal code → address autofill, full-width/half-width conversion, automatic kana generation, and phone number validation—everything needed for Japanese forms.
Logic only (no UI). Full TypeScript support.
Feel free to contact us about product adoption or development