Kathará

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About

Kathará is ranked #10 of 29 in network simulation software on Inferse. It runs on API, Linux, macOS, Self-hosted, Windows. There is a free plan.

Compared on network simulation software

Free plan: Yeskathara.org
Simulation model: emulationkathara.org
Deployment options: desktopkathara.org
Automation API: Yeskathara.org

Facts

Purpose: Kathará is an open-source container-based network emulation system for interactive lessons and demos, sandbox testing of production networks, and network protocol development.kathara.org · 4 Oct 2026
Network model: It emulates network devices as containers interconnected by virtual Layer-2 LANs.kathara.org · 4 Oct 2026
Deployment backends: Network scenarios can run using Docker or Kubernetes as the backend virtualization system.kathara.org · 4 Oct 2026
Network images: Built-in images include Quagga, FRRouting, Bind, P4, and OpenVSwitch, and users can also use their own container images.github.com · 4 Oct 2026
Python APIs: The PyPI package provides programmatic APIs for using Kathará features from custom code.kathara.org · 4 Oct 2026
Operating systems: The download page lists Linux distributions, macOS with Intel or Apple Silicon, and Windows 10 and 11 as supported platforms.kathara.org · 4 Oct 2026
Linux distribution support: Debian and Ubuntu installations are available through apt, with precompiled packages for other listed distributions.kathara.org · 4 Oct 2026
Intended users: The project says it is used in courses and projects and describes use in teaching, production-network sandbox testing, and protocol development.github.com · 4 Oct 2026
Security reporting: The security policy asks users to report suspected vulnerabilities by issue or email and says a response will arrive within 48 hours.github.com · 4 Oct 2026
Security patch coverage: The security policy says patches are released only for the last version and lists version 3.8.3 as supported.github.com · 4 Oct 2026
Operational requirement: Kathará depends on Docker by default and its troubleshooting page says rootless Docker and Podman are unsupported.github.com · 4 Oct 2026
Support channel: The project directs bug reports to its GitHub repository and security-relevant reports to the Kathará mailing list.kathara.org · 4 Oct 2026
Configuration options: Settings include IPv6 enablement, terminal behavior, volume-mount policy, remote Docker connection details, and Kubernetes API connection parameters.kathara.org · 4 Oct 2026