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KasmVNC

Modern VNC server with a browser-based client

Remote Access & VPN ★ 5.3k stars Medium setup GPL-2.0

KasmVNC is a VNC server that delivers remote Linux desktops directly to a web browser without any client software. It offers improved performance and security over traditional VNC implementations.

Official siteSource code

Key features

  • Browser-based VNC client
  • No native client needed
  • Encrypted connections
  • Improved performance

Strengths

  • Released under the GPL-2.0 license
  • First-class Docker support for quick deployment
  • Mature project with 5.3k GitHub stars
  • Written in C++

Is KasmVNC secure?

OSV.dev has no published security advisories for KasmVNC's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

KasmVNC replaces

Self-hosted TightVNC alternativesSelf-hosted RealVNC alternatives

Health badge

Maintain KasmVNC? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 90 · excellent

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   :alt: SelfHostIndex health score for KasmVNC
   :target: https://selfhostindex.com/app/kasmvnc/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

Compare KasmVNC

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