Shell

Audacity logo

Audacity

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Audacity imports sounds and music, puts sound effects against individual tracks and mixes things like music tracks and podcasts together. Audacity comes with many professional editing and recording functions. It’s possible to create both live recordings as well as cut tracks. In addition, Audacity has an audio toolbox with countless effects, an equalizer and frequency analysis on board. Audacity is a digital audio editor with 1500+ stars on GitHub and is present in Software Repositories of major Linux distributions.

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Ardour logo

Ardour

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Ardour is a hard disk recorder and digital audio workstation application. It runs on Linux, macOS, FreeBSD and Microsoft Windows. Its primary author is Paul Davis, who is also responsible for the JACK Audio Connection Kit. Ardour is intended to be digital audio workstation software suitable for professional use. Released under the terms of the GNU General Public License (version two or any later version), Ardour is free software. Users who download from the project’s website are asked to pay at least $1 for downloading prebuilt binaries of Ardour; those users then have the right to obtain minor updates until the next major release.

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Art of Illusion logo

Art of Illusion

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Art of Illusion is a 3D-graphics software, with similar intent of use as for example 3DS-Max or Maya of the commercial software packages or Blender or Wings 3D on the freeware side. Though some sources seem to confuse 3D-modeling with CAD, Art of Illusion does not provide any CAD-features. Some user reviews describe Art of Illusion as ‘intuitive’, ‘straight forward to learn’ and ‘good candidate for the first 3D modelling tool’, while some characterize it as ‘software for experienced CAD users’ or taking plenty of time to figure out.

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Xpdf logo

Xpdf

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Xpdf is a free and open-source PDF document viewer for operating systems supported by the Qt toolkit. Versions prior to 4.00 were written for the X Window System and Motif. Xpdf runs on nearly any Unix-like operating system, but binaries are also available for Windows. Xpdf can decode LZW and read encrypted PDFs. The official version obeys the DRM restrictions of PDF files, which can prevent copying, printing, or converting some PDF files.

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