What does Allisone Inc. do?

Allisone Inc. develops web and desktop applications. Commercial offerings include the freemium reading management service 'Reading Forest'; free offerings include the file management freeware 'TopFiles', the technical-notes site 'note', and the open-source numerical-computing library 'sangi'.

TopFiles is a Windows desktop tool that quickly lists file and folder information. It sorts by size or modification date, helping users efficiently manage disk usage and organize files.

What is Reading Forest?

Reading Forest is a cloud-based reading management service that enriches your reading experience. It features progress tracking, notes and quotations, LaTeX math formula support, and is available across all devices.

Company Profile

About Allisone Inc.

Our Services

Allisone Inc. develops software across a wide spectrum — from web applications and desktop utilities to numerical-computing libraries.
We aim to return the value of technology to society at large, across both paid and free offerings.

Commercial Services (Freemium)

Reading Forest — a cloud-based reading management service with progress tracking, notes / quotations, and LaTeX math formula support. Core features are free; additional features available in paid plans.

Free Tools & Open Source

TopFiles — a Windows freeware file-management tool that lists files and folders quickly by size or modification date.
note — a technical-notes site covering mathematics, signal processing, control theory, and machine learning (Japanese and English).
sangi — an open-source C++23 numerical-computing library unifying arbitrary-precision arithmetic, linear algebra, control, signal processing, and Lie groups.

Music (Allisone label)

Classical piano recordings by Kiyotsugu Arai (新井清嗣), released on the Allisone label via TuneCore Japan and available on Spotify, Apple Music, Amazon Music and other stores.

Dreams of Love — Classical Piano Masterpieces (2020)
Un sospiro — Classical Piano Masterpieces II (2026)

Contact: kiyotsuguarai@allisone.co.jp

Learn more about Reading Forest

Company Information

Company Name

Allisone Inc.

Representative

Kiyotsugu Arai, CEO

Established

May 2, 2017

Location

354 Shikamuro, Iwatsuki-ku, Saitama-shi,
Saitama 339-0001, Japan

Business

- Web application development and operation
- Desktop application development
- Development and operation of the reading management service "Reading Forest" (freemium)
- Development of the file management tool "TopFiles" (freeware)
- Operation of the technical-notes site "note"
- Development of the open-source numerical-computing library "sangi"
- Production and distribution of classical piano recordings (Allisone label)
- Development of educational and learning support tools
- Cloud-based solution provision

Contact Us

For questions or inquiries about our services,
please feel free to contact us via our contact form.

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