---
title: "SYSTENA CORPORATION – Chrome extensions from this developer"
description: "3 Chrome extensions from the publisher account of SYSTENA CORPORATION, with 105,000 users in all."
url: "https://extensiontracker.com/developer/u249bcc2938c8d5ad6bdd195b4899b9ee"
---

# SYSTENA CORPORATION

- Extensions: 3
- Users in all: 105,000
- First published: 2014-01-24
- Publisher account: `u249bcc2938c8d5ad6bdd195b4899b9ee`

Extensions are grouped by the store's own publisher account ID, so a developer who uses several accounts appears on several pages. Live extensions come first, most users first.

| Extension | Category | Users | Rating | Updated | Status |
| --- | --- | ---: | ---: | --- | --- |
| [Safety for Gmail™](https://extensiontracker.com/extension/pjbnfpohnepfohjeklbpeekacpellded) | Workflow & Planning | 100,000 | 3.86 | 2026-10-15 | Live |
| [cloudstep アドレス帳 for Google Chrome™](https://extensiontracker.com/extension/dhkdaajfhhfchaahbbnmkgonopccjkji) | Workflow & Planning | 4,000 | 4.00 | 2026-03-10 | Live |
| [cloudstep Connect for Google Chrome™](https://extensiontracker.com/extension/fhjiognljjafibjhceppanjpgfjpjknj) | Workflow & Planning | 1,000 | – | 2024-06-11 | Live |

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/developer/u249bcc2938c8d5ad6bdd195b4899b9ee>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.