Isothrum vs eryx
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Isothrum compared with eryx
| Detail | 
Isothrum | 
eryx |
|---|
| What it does | A GNS3-style editor for containers, VMs, switches and routers that runs in your browser
| WebAssembly sandbox for running untrusted Python safely
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| Stage | Not given
| Not given
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| Founded | 2022
| Not given
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| Based in | FR
| Not given
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| Pricing model | Free
| Open source
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| Pricing | Not given
| Not given
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| Key features | - 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
| - Full CPython 3.14 with standard library
- Async callbacks from sandboxed code
- No filesystem or network unless allowed
- Fast startup in 1–5 milliseconds
- Embed from Python, JavaScript or Rust
- MCP server support
- gRPC server deployment
- Hosted execution over HTTP and WebSocket
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| What makes it different | - 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
| - Full CPython 3.14 running in WebAssembly
- Async callbacks between sandbox and host
- Extremely fast sandbox startup
- Works as MCP server for AI agents
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 6 |
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| Referring domains (Majestic) | 0 | 2 |
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4 details filled in for both companies.
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