軟體分享(Linux)~ PDF Shuffler, Xournal, Imagination, Winff, Maxima

紀錄一些 Linux 上的軟體,有需要就可以拿來用了。

1. PDF Shuffler (http://sourceforge.net/projects/pdfshuffler/)
PDF-Shuffler is a small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface. It is a frontend for python-pyPdf.

2. Xournal (http://xournal.sourceforge.net/)
Xournal is an application for notetaking, sketching, keeping a journal using a stylus. It is free software (GNU GPL) and runs on Linux (recent distributions) and other GTK+/Gnome platforms. Xournal supports annotation of PDF files. Xournal uses the Poppler library to render PDF documents. The documents then become immutable background images. Annotation can then proceed using any of Xournal's standard tools: Pen, eraser, text, and highlighter.

3. Imagination (http://imagination.sourceforge.net/)
Imagination is a lightweight and simple DVD slide show maker for Linux and FreeBSD written in C language and built with the GTK+2 toolkit. I noticed a lack of a user-friendly DVD slide show maker for GNU/Linux, so I started developing Imagination. True, there are some other GUIs which do the job, but they usually require a lot of dependencies to be installed first and often their interfaces are bloated. Imagination has been designed from the ground up to be fast, light and easy-to-use. It requires the ffmpeg encoder to produce the movie file and libsox to handle the audio. Yes you don't need any other third-party software, I like the KISS principle :)

4. winff (http://winff.org/html_new/)
WinFF is a GUI for the command line video converter, FFMPEG. It will convert most any video file that FFmpeg will convert. WinFF does multiple files in multiple formats at one time. You can for example convert mpeg's, flv's, and mov's, all into avi's all at once.

5. Maxima(http://maxima.sourceforge.net/)
Maxima is a descendant of DOE Macsyma, which had its origins in the late 1960s at MIT. It is the only system based on that effort still publicly available and with an active user community, thanks to its open source nature. Macsyma was the first of a new breed of computer algebra systems, leading the way for programs such as Maple and Mathematica. This particular variant of Macsyma was maintained by William Schelter from 1982 until he passed away in 2001. In 1998 he obtained permission to release the source code under GPL. It was his efforts and skill which have made the survival of Maxima possible, and we are very grateful to him for volunteering his time and skill to keep the original Macsyma code alive and well. Since his passing a group of users and developers has formed to keep Maxima alive and kicking. Maxima itself is reasonably feature complete at this stage, with abilities such as symbolic integration, 3D plotting, and an ODE solver, but there is a lot of work yet to be done in terms of bug fixing, cleanup, and documentation. This is not to say there will be no new features, but there is much work to be done before that stage will be reached, and for now new features are not likely to be our focus.

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