Kotti is built on top of a number of best-of-breed software components, most notably Pyramid, SQLAlchemy and of course Python.
Pyramid is a small, fast, down-to-earth Python web application development framework. It is developed as part of the Pylons Project. It is licensed under a BSD-like license.Pyramid documentation
SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL. It provides a full suite of well known enterprise-level persistence patterns, designed for efficient and high-performing database access, adapted into a simple and Pythonic domain language.SQLAlchemy website
Python is a programming language that lets you work more quickly and integrate your systems more effectively. You can learn to use Python and see almost immediate gains in productivity and lower maintenance costs. Python runs on Windows, Linux/Unix, Mac OS X, and has been ported to the Java and .NET virtual machines.Python website
Colander and Deform
Deform is a Python HTML form generation library. Deform uses Colander as a schema library, Peppercorn as a form control deserialization library, and Chameleon to perform HTML templating.Deform documentation