Software · Utilities & files

Serial Port Assistant

Serial port tool.

Completely free
Windows and Linux
Open source
No account
Old edition (2011)

Old edition: the latest known version (0.5.35) dates from 11 November 2011. It is no longer recommended as current software; the package date does not mean the software is still maintained.

Go to the project

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

Download from the official source

Link to the official download page, ad-supported (Clictune): an intermediate page may show for a few seconds. Direct link to the download

Report an error

Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Flathub, Winget (Windows Package Manager)
License: GPL-3.0 — Open source (copyleft)confirmed by Flathub, Winget (Windows Package Manager)
Open source: Yes
Commercial use: Yesconfirmed by Flathub, Winget (Windows Package Manager)
Account required: Noconfirmed by Winget (Windows Package Manager)
Credit card required: Noconfirmed by Flathub, Winget (Windows Package Manager)
Watermark: Not applicable
Ads: not documented
Platforms: Windows and LinuxEstablished by Linux: Flathub · Windows: Winget
Publisher: KangLin
Latest version: 0.5.35 (11 November 2011)
Package republished on: 10 October 2026
Source code: github.com/KangLin/SerialPortAssistant

Overview

Old edition: the latest known version (0.5.35) dates from 2011; it is no longer presented as current software.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

At a glance

Serial Port Assistant is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
No account needed
Commercial use allowed

About

Serial Port Assistant provides a cross-platform GUI for interacting with serial devices.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Facts collected from Winget (Windows Package Manager) (credit card, account, source code, publisher, licence, free status, platforms, commercial use, version) — 7 November 2026
Last technical check: 7 November 2026
Description from Flathub — AppStream (Flathub)

How listings are built →

Do you develop Serial Port Assistant?

Correct this listing with the report form, or cite it with this optional badge (it shows the verified free status and changes nothing in the ranking):

<a href="https://licitpro.fr/en/resource/serial-port-assistant"><img src="https://licitpro.fr/badge/serial-port-assistant.svg?l=en" alt="Listed on LicitPro" height="20"></a>

Developers and publishers →