Packages with the ladspa use flag

Global definition: Enable the ability to support ladspa plugins.

media-libs / lsp-plugins : Linux Studio Plugins

media-sound / aqualung : Music player for a wide range of formats designed for gapless playback

media-sound / audacity : Free crossplatform audio editor

media-sound / fluidsynth : Software real-time synthesizer based on the Soundfont 2 specifications

media-sound / hydrogen : Advanced drum machine

media-sound / mhwaveedit : GTK+ Sound file editor (wav, and a few others.)

media-sound / qmmp : Qt5-based audio player with winamp/xmms skins support

media-sound / snd : Snd is a sound editor

media-sound / sox : The swiss army knife of sound processing programs

media-video / ffmpeg : Complete solution to record, convert and stream audio and video. Includes libavcodec

media-video / mplayer : Media Player for Linux