Some components of Jelix are available separately and usable without Jelix. Install them via Composer, from http://packagist.org. Some of these packages are automatically installed by the package jelix/jelix.
jTpl is based on the Castor template engine (since Jelix 1.7)
composer require "jelix/castor"
The library JelixDatabase is an external version of jDb. It will be used in futur version of Jelix.
composer require "jelix/database"
The profile system is also available : JelixProfiles
composer require "jelix/profiles"
Classes to read and write ini file (by preserving comments), can be installed with the package jelix/inifile
composer require "jelix/inifile"
To parse and compare versions with Composer expressions, you can use the package jelix/version
composer require "jelix/version"
Jelix 1.7+ is using the library properties-file to read an write properties files, used for locales.
composer require "jelix/properties-file"