Zeal is an offline documentation browser designed for developers, providing instant access to a wide range of programming language and framework documentation. It is lightweight, fast, and supports a variety of docsets, making it a versatile tool for coding and reference purposes without requiring an internet connection.

Features of Zeal:

• Offline access to extensive programming and framework documentation.
• Fast search functionality with instant results.
• Support for importing Dash docsets for a wide variety of languages and tools.
• Keyboard shortcuts for efficient navigation.
• Customizable interface for an improved user experience.

To check your Zeal version, run $ dpkg -l | grep zeal in your terminal.

Disclaimer: Zeal is an open-source project distributed under the GNU General Public License. Users are responsible for ensuring they have the appropriate permissions to use any third-party docsets. Zeal is provided "as is," without any warranty, express or implied.