KlarsealArchi Systems AS
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SubnetlensHELIOSOFT LTD
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Related Products
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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.
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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.
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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
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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
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Audience
Software developers, independent software vendors, and small teams that ship Windows applications, drivers, or installers and need a code signing certificate.
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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.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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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
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Pricing
$79 one-time
Supports up to 3 devices per license
Free Version
Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationArchi Systems AS
Founded: 2010
Norway
klarseal.com
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Company InformationHELIOSOFT LTD
Founded: 2026
United Kingdom
subnetlens.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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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
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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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