Igalia

It does so by providing module system with its standard library, which you can leverage in your own scripts, both by using existing modules and splitting your program in reusable components.

Additionally, tools for documenting and testing modules, and serving web applications are provided as part of the package.

It has the next main features:

• Ability of running on small, embedded systems with scarce resources.
• Bash as the only dependency. Choose one of netpipes, ipsvd or ucspi-tcp for TCP sockets support.
• Module system for shell code.
• Standard library (batteries included!)
• Billets container.
• Creation of standalone scripts.
• Tools for documentation generation.
• Tools for writing unit tests.