Klarseal

Klarseal

Archi Systems AS
Subnetlens

Subnetlens

HELIOSOFT LTD
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About

Klarseal is a code-signing certificate service for developers and businesses distributing Windows applications, drivers or installers. It offers Standard (OV) and Extended Validation (EV) certificates issued by Certum, while managing orders, invoices, application checks and status updates. Both certificate types use cloud signing: the private key is generated and held in the certificate authority’s hardware security module, rather than on a USB token. EV includes additional identity checks and is required to open a Windows Hardware Developer Program account for kernel-driver submissions. Klarseal also provides free companion tools: Sign my app, an MIT-licensed plugin that lets supported AI coding agents prepare Windows-file signing for user approval, and Sign my app for Windows, a utility to check and sign .exe, .dll and .msi files.

About

Subnetlens is a local-first Windows desktop app for network discovery, LAN monitoring, and IT troubleshooting. It scans and classifies devices, builds an interactive topology map, tracks per-device port and service history, listens for mDNS/SSDP device activity in real time, and includes 26 built-in diagnostic tools such as ping, traceroute, DNS lookup, port scan, WHOIS, GeoIP, TLS checks, HTTP header inspection, and more. Pro features include Radar monitoring, Prometheus metrics, scheduled scans, risk scoring, HTML reports, IPAM, webhooks, encrypted credential vault, SNMP topology, and multi-network profiles. Scan data stays on the user's machine unless they explicitly export it, enable webhooks, or expose the Prometheus endpoint. Subnetlens is built and code-signed by HELIOSOFT LTD and is available as a free version with an optional $79 one-time Pro license.

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software developers, independent software vendors, and small teams that ship Windows applications, drivers, or installers and need a code signing certificate.

Audience

Solo IT admins, home-lab users, small-business IT generalists, MSP contractors, and technical users who need practical Windows LAN visibility without an enterprise monitoring suite.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

€159/year
Standard (OV) starts at €159 for a one-year term outside Norway, or NOK 1,790 before 25% MVA in Norway (NOK 2,237.50 total). EV starts at €289 for one year outside Norway, or NOK 3,490 before MVA in Norway (NOK 4,362.50 total). One-, two- and three-year terms are paid in full at order; longer terms include a new certificate issued each year. Cloud signing and timestamping are included.
Free Version Supported
Free Trial Not Supported

Pricing

$79 one-time
Supports up to 3 devices per license
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Archi Systems AS
Founded: 2010
Norway
klarseal.com

Company Information

HELIOSOFT LTD
Founded: 2026
United Kingdom
subnetlens.com

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Categories

Code Signing Supported

Categories

Network Discovery Supported

Integrations

Claude Desktop Supported
Discord Not Supported
Grafana Loki Not Supported
Microsoft Teams Not Supported
Model Context Protocol (MCP) Supported
Prometheus Not Supported
SignTool Supported
Slack Not Supported

Integrations

Claude Desktop Not Supported
Discord Supported
Grafana Loki Supported
Microsoft Teams Supported
Model Context Protocol (MCP) Not Supported
Prometheus Supported
SignTool Not Supported
Slack Supported
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