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Scanopy vs Vellum

Both stand on llm application development frameworks. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Scanopy

Free plan Open source APILinuxMac+3

Scanopy focuses on documenting network assets and relationships, with self-hosted and cloud options and plan-dependent sharing tools. It is not a substitute for monitoring, and the free edition has a one-network, one-seat limit.

Visit Scanopy

Vellum

Free plan Open source AndroidAPIExtension+5

Vellum offers a personal assistant with saved context, skills, integrations and approval controls. Consider its internet requirement and default AI data routing, and note the available Linux access options if you use Linux.

Visit Vellum

The facts

ScanopyVellum
Free planYesYes
Open sourceYesYes
Runs onAPI, Linux, Mac, Self-hosted, Web, WindowsAndroid, API, Extension, iPhone, Mac, Self-hosted, Web, Windows
Lowest paid planSee the plansMighty: $30 a month
Plans published86
MakerNot publishedNot published
Websitescanopy.netvellum.ai
On llm application development frameworks#1 of 49#2 of 49

Scanopy: what it does well

  • Maps four topology views from scans.
  • No endpoint agents required.
  • Free Community Edition has no time restriction.
  • Offers multiple plan-dependent export and sharing formats.
  • Self-hosted discovery data stays in the customer's database.

What to know first

  • Community Edition is limited to one network and one seat.
  • Documentation refreshes on a schedule, not continuously.
  • Does not replace monitoring for health, bandwidth, or alerts.
  • Maker says it lacks formal SOC 2 or ISO 27001 certifications.

Vellum: what it does well

  • Saves preferences and context across conversations.
  • Users can create and manage custom skills.
  • Sensitive actions can require approval.
  • Cloud assistants run in isolated environments with private storage.
  • Optional analytics and crash diagnostics are off by default.

What to know first

  • Requires an internet connection to reach an AI provider.
  • No shipped Linux desktop client.
  • Conversation context goes to Anthropic by default.
  • Paid plans start at $30/month.

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