Kali Linux (formerly known as BackTrack) is a Debian-based distribution with a collection of security and forensics tools. It features timely security updates, support for the ARM architecture, a choice of four popular desktop environments, and seamless upgrades to newer versions.

• Kali Linux 2026.2
• Kali Linux 2026.1
• Kali Linux 2025.4
• Kali Linux 2025.3
• Kali Linux 2025.2

Say hello to Kali Linux 2025.4! Expect updated tools, performance tweaks, and improved support - no fluff, just the essentials. The summary of the changelog since the 2025.3 release from September is: Desktop Environments - Changes to all! GNOME, KDE & Xfce Wayland - VM Guest Utils Support Halloween Mode - dresses the desktop for the occasion 3 New Tools - As always, new packages added and upgraded! Desktop Environments GNOME 49 As with previous GNOME updates in Kali, we’ve given all our themes a fresh coat of paint - everything has been tuned to look sharp and feel smooth.