Defining new tool actions is just like defining regular admin actions. The major difference is the functions for django-object-actions will take an object instance instead of a queryset. Tool actions are exposed by putting them in a change_actions attribute in your admin.ModelAdmin. You can also add tool actions to the main changelist views too. There, you'll get a queryset like a regular admin action.

NFFT3 is a software library written in C for computing nonequispaced fast Fourier and related transformations. In detail, NFFT3 implements:

Google Optimization Tools (a.k.a., OR-Tools) is an open-source, fast and portable software suite for solving combinatorial optimization problems.

This package contains the Python bindings for OR-Tools.

An implementation of an HTTP client for JavaScript, but using the CoHTTP types. This lets you build HTTP clients that can compile natively (using one of the other Cohttp backends such as cohttp-lwt-unix) and also to native JavaScript via js_of_ocaml.

Library for handling analog signal processing functions. These functions are also in gnuradio-core. Part of the main gnuradio build.