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ogg-theora (27)

Advanced GTK+ Sequencer (AGS) is intended to use for music composition. It features a piano roll, as well a synth, matrix editor, drum machine, soundfont2 player, mixer and an output panel. Further it has LADSPA, DSSI and Lv2 plugin support. It's designed to be highly configurable. You may add effects to its effect chain; and add or remove audio channels/pads. You may set up a fully functional network of engines, thus there is a link editor for linking audio lines. AGS requires a realtime kernel and ALSA support. AGS uses conditional locks to keep several threads in sync that's why you need at least a preemptable kernel. LADSPA support has been added to version 0.4.2 as well export to WAV. Version 0.5.x brings you first concurrent audio tree processing support. Version 0.6.x is dedicated to accessibility. You might control GSequencer by keyboard. As you move to a note it provides you an audible feedback. Version 0.7.x gives you the benefit of providing the libraries libags, libags-thread, libags-server, libags-audio and libgsequencer. It contains for now an automation editor. Open Sound System (OSS4) and JACK Audio Connection Kit support has been added recently. Now you may configure multiple soundcards. Since 0.7.111 there is MIDI input available. Let you record your MIDI instrument and doing live performance. Version 0.8.x extended MIDI support to import/export SMF. A built-in envelope editor and additional editing functionality like move/crop selected notes.
Free Software command-line tools for audio playback, processing, and whatever else related to audio. dtas follows the worse-is-better philosophy and acts as duct tape to combine existing command-line tools for flexibility and ease-of-development. dtas is currently implemented in Ruby (and some embedded shell), but may use other languages in the future. Currently, primarily wraps sox commands but may also use ecasound (or any command-line driven audio processing tools).
The Farstream (formerly Farsight2) project is an effort to create a framework to deal with all known audio/video conferencing protocols. On one side it offers a generic API that makes it possible to write plugins for different streaming protocols, on the other side it offers an API for clients to use those plugins. This package provides Python bindings for Farstream.
FFmpeg is a complete solution to record, convert and stream audio and video. Its components include:
  • ffmpeg – Converts one video file format to another and supports grabbing and encoding in real time from a TV card.
  • ffserver – HTTP (RTSP is being developed) multimedia streaming server for live broadcasts that supports time shifting.
  • ffplay – simple media player based on SDL and the ffmpeg libraries
  • ffprobe – a media file prober
  • libavcodec – library containing all FFmpeg audio/video encoders and decoders (most developed from scratch for best performances and high reusability)
  • libavfilter – video and audio filtering library
  • libavformat – library of parsers and generators for all common audio/video formats
  • libavutil – utility library containing functions used by all FFmpeg components
  • libswscale – video scaler and pixel format converter
  • libswresample – audio resampler and sample format converter
  • libpostproc – video post-processing library
Flowblade Movie Editor is designed to provide a fast, precise and as-simple-as-possible editing experience. Flowblade employs film style editing paradigm in which clips are usually automatically placed tightly after the previous clip - or between two existing clips - when they are inserted on the timeline. Edits are fine-tuned by trimming in and out points of clips, or by cutting and deleting parts of clips. Film style editing is faster for creating programs with mostly straight cuts and audio splits, but may be slower when programs contain complex composites unless correct work flow is followed.
HandBrake is a graphical video converter. Features:
  • Title / Chapter selection
  • Queue up multiple encodes
  • Chapter Markers
  • Subtitles (VobSub, Closed Captions CEA-608, SSA, SRT)
  • Constant Quality or Average Bitrate Video Encoding
  • Support for VFR, CFR and VFR
  • Video Filters: Deinterlacing, Decomb, Detelecine, Deblock, Grayscale, Cropping and scaling
  • Live Video Preview
IceCat Heckert gnu.tiny.png
''GNU IceCat discontinued official IceCatMobile support after version 38.6.0. Unofficial IceCatMobile releases can be downloaded with the F-Droid client. GNU IceCat (originally GNU IceWeasel) is part of GNUzilla (the GNU version of the Mozilla Application Suite). GNU IceCat aim to be based on the the current official release of Firefox Extended Support Release (ESR) with removal of trademarked artwork and proprietary components. However, IceCat is not a straight fork of Firefox ESR; instead, it is a parallel effort that works closely with and re-bases in synchronization on the latest Firefox ESR as the upstream supplier, with patches merged upstream whenever possible; although it should be noted that additional security updates are customized to IceCat occasionally.

Differences between IceCat and Firefox ESR

Important differences between Mozilla's Firefox and GNU IceCat is that IceCat has a focus on freedom and privacy (see settings.js for details).

  • Encrypted Media Extensions (EME) is not implemented: Whereas Firefox are being created such that they support Digital Restrictions Management (DRM) systems through their implementation of the Encrypted Media Extension (EME), GNU IceCat doesn't include an EME implementation as it opposes efforts to popularize and ease the dissemination of DRM technology.
    • Widevine Content Decryption Module provided by Google Inc. is not installed in about:addons > Plugins
    • The Play DRM-controlled content option (used to download and enable Widevine Content Decryption Module provided by Google Inc.) has been removed from about:preferences > Content
  • WebRTC is enabled like in Firefox but prevent leaking the LAN ip. (Test WebRTC)
  • The proprietary program Mibbit has been removed.
  • Telemetry is disabled.
  • DuckDuckGo is the default search engine, which means that you can run "!Bangs" keywords in the location bar to use any search engine.


"We will always make IceCat block non-free JavaScript by default. If you want to permit nonfree software to run, you can easily disable LibreJS." - Richard Stallman

Customized add-ons

  • SpyBlock (Adblock Plus fork) to block privacy trackers.


GNU IceCat was formerly known as GNU IceWeasel but changed its name in 2008 to avoid confusion with Debian IceWeasel (who was rebranded back to Firefox in 2017 after Debian was being granted special permission from Mozilla ref).

The GNU IceCat developers dropped support for Replicant after version 31.8.0 because these builds are already provided by F-Droid.

GNU IceCat developers dropped support for macOS, and Windows, after version 38.8.0 in 2016: "Note that building binary packages for Windows and macOS currently requires non-free software, so we no longer distribute binary releases for those platforms.

See also

Lib-Ray Video Tools
LRVT is the reference implementation of Lib-Ray, a video standard for fixed media with no technical restrictions like encryption or region codes. It is proposed as a replacement for restricted formats like DVD and Blu-ray, and builds on existing open standards like HTML5 and MKV. The end result is a DRM-free format that supports interactive menus and video playback from a disc, flash memory card or other fixed storage.
Libav is a complete, cross-platform solution to decode, encode, record, convert and stream audio and video. This package contains the avplay multimedia player, the avserver streaming server, the avconv audio and video encoder, and the avprobe stream analyzer. They support most existing file formats (AVI, MPEG, OGG, Matroska, ASF...) and encoding formats (MPEG, DivX, MPEG4, AC3, DV...). Additionally, it contains the qt-faststart utility which rearranges Quicktime files to facilitate network streaming. This package also serves as a replacement for the former 'ffmpeg' package.
LibreVideoJS is a video player written in JavaScript compatible with LibreJS. It is based in VideoJS.

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