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Reference edition 2026.46

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Helicon vs Isothrum

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Helicon compared with Isothrum
DetailHelicon logo HeliconIsothrum logo Isothrum
What it doesFree, open-source desktop and web app for Meta's Muse Code CLI A GNS3-style editor for containers, VMs, switches and routers that runs in your browser
StageNot given Not given
FoundedNot given 2022
Based inIN FR
Pricing modelOpen source Free
PricingFree, MIT licensed, no paid tier, no trial, no seats, no account. Runs on your existing Muse Code subscription. Not given
Key features
  • Projects and sessions grouped by working directory and git worktrees
  • Resume sessions including those started in the terminal TUI
  • Inline diffs in the thread at the turn that produced them
  • Every agent approval surfaced and never bypassed
  • Cost tracking at published API rates per thread
  • Full keyboard navigation with command palette
  • File viewer with source, Markdown, image, video and PDF preview
  • Remote daemon support for running the agent on another machine
  • VS Code extension available
  • Native Windows support with PowerShell
  • Visual lab editor with drag-and-drop interface for network devices
  • Mix containers and VMs in the same lab
  • Configure switches with VLANs and trunks
  • Automatic or manual routing between networks
  • Add network conditions like latency, jitter and packet loss
  • Export to Docker Compose, Vagrant, Proxmox, Kubernetes and cloud platforms
  • Import GNS3 projects and convert them to labs
  • Real-time validation as you design
  • Desktop app with consoles, VNC screens and packet capture
  • Works offline and runs entirely in the browser
What makes it different
  • No additional cost or billing on top of existing Muse Code subscription
  • Credentials stay with the muse CLI, never stored by Helicon
  • Native Windows support without requiring WSL
  • MIT licensed open-source with no company behind it
  • Sessions and approvals never bypassed or batched
  • Runs in your browser with no installation or account required
  • Exports to multiple environments from one lab design
  • Private by design with no data leaving your browser
  • Open isoloom.yml format that you own and can version control
  • Can import and convert existing GNS3 projects
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)11 −1 (down) since last check2 no change since last check
Trust Flow (Majestic)140
Citation Flow (Majestic)270
Referring domains (Majestic)340

5 details filled in for both companies.

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