This is an apt-get front-end for compiling software optimized for your architecture by creating a local repository with built packages. It can manage system upgrades too.

Binaryen is a compiler and toolchain infrastructure library for WebAssembly, written in C++. It aims to make compiling to WebAssembly easy, fast, and effective:

This package provides the file /usr/share/dict/american-english containing a list of English words with American spellings. This list can be used by spelling checkers, and by programs such as look(1).

Image Compression format, based on the VP8 codec. WebP uses the modern VP8 compression format to deliver efficient compression of images for the web. More than 30% extra gain over optimized JPEG, for same quality, is not unusual.

The Elmer multiphysics simulation package includes physical models of fluid dynamics, structural mechanics, electromagnetics, heat transfer, and acoustics, among others. These are described by partial differential equations which Elmer solves by the Finite Element Method (FEM).