oggdrop ~ OGG Vorbis Mac Frontend


.ogg is a free audio format alternative. It features sound quality that is generally higher than MP3, and has no licensing fees. Ogg Drop will encode audio tracks and CD’s into .oggs. Ogg Drop is entirely free.

Ogg Drop includes a CDDB lookup of the FreeDB music database. Stick an audio CD into Ogg Drop, and it should be able to identify the songs automatically, and tag the songs for you.

oggdrop

nouturn.com/oggdrop

FLAC Frontend ~ Lossless Encoding GUI


FLAC Frontend is a convenient way for Windows users not used to working with command lines to use the official FLAC tools. It accepts WAVE, W64, AIFF and RAW files for encoding and outputs FLAC or OGG-FLAC files. It is able to decode FLAC files, test them, fingerprint them and re-encode them. It has drag-and-drop support too. It is tested on Windows XP SP3 and Windows 7, but should work with Windows XP SP2 or newer. It requires .NET 2.0 or later.

sourceforge.net/projects/flacfrontend

FluidSynth ~ A SoundFont Synthesizer


FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has reached widespread distribution. FluidSynth itself does not have a graphical user interface, but due to its powerful API several applications utilize it and it has even found its way onto embedded systems and is used in some mobile apps.

Features:

  • Cross platform support (Linux, macOS and Windows to name a few)
  • SoundFont 2 support
  • SoundFont 3 support (vorbis-compressed SF2)
  • Realtime effect control using SoundFont 2.01 modulators
  • Playback of MIDI files
  • Shared library which can be used in other programs
  • Built in command line shell

FluidSynth

www.fluidsynth.org

QSynth ~ FluidSynth GUI Front-end

QSynth is a fluidsynth GUI front-end application written in C++ around the Qt framework using Qt Designer.

qsynth-screenshot1

qsynth.sourceforge.io

LameXP ~ Multi-Format Audio Encoder Front-end


LameXP is a free multi-format audio file converter that supports a variety of output formats, including MP3, AAC/MP4, Ogg Vorbis, Opus, as well as FLAC, and an even higher number of input formats. It also supports batch processing and can utilize multiple processor cores.

lamexp

lamexp.sourceforge.net

winLAME ~ Windows Audio Encoder


winLAME is an easy to use encoder for many audio formats, including MP3, Opus, Ogg Vorbis and more. winLAME uses the LAME mp3 encoder.

winLAME lets you read in audio tracks from CDs or encode audio files from your hard drive. The intuitive wizard-style user interface makes it easy to set up encoding settings. Multicore CPUs are used to parallelize encoding tasks.

winlame

winlame.sourceforge.io

BatchEncoder ~ An Audio Conversion Frontend


BatchEncoder is an audio file conversion software. It supports most of popular audio file formats including lossy and lossless compression. The program is very simple to use. BatchEncoder is basically GUI front-end for command-line tools. All it does is create background processes and pass arguments to it with options set in the presets / format menu and additionally adds input and output file paths.

BatchEncoder

Website
Discussion ~ Hydrogen Audio
GitHub file repository