Apps to Batch Processing

Mp3splt is an open-source command-line utility and graphical interface tool for splitting MP3, Ogg Vorbis, and FLAC audio files without decompressing or recompressing them. It's designed for fast and accurate splitting based on timed intervals, silence detection, or cue sheets.

Vifm is a ncurses-based file manager with Vim-like keybindings, designed for efficiency in terminal environments. It offers a dual-pane interface, tab support, and extensive customization options, making it a powerful tool for users comfortable with command-line workflows and seeking a highly keyboard-driven file management experience.

MP3 Diags is a powerful and free GUI application designed to analyze and repair various issues within MP3 files. It helps users manage large music collections by identifying incorrect metadata, corrupted tags, and other structural problems.

PhotoQt is a fast, simple, and elegant open-source image viewer built with C++/Qt. It offers a clean interface, essential image viewing features, and basic editing capabilities, making it a great choice for quickly browsing and managing your image collection across different operating systems.

UFRaw (Unidentified Flying Raw) is a powerful and flexible open-source application designed for processing and manipulating raw image files from digital cameras. It provides a comprehensive suite of tools for non-destructive editing, batch processing, and conversion.

LightZone is a potent, open-source digital photo editor specifically designed for photographers. It offers unique tools for tone and color adjustments, non-destructive editing, and robust RAW file processing, making it a sophisticated alternative to mainstream photo editing software.

Kid3 is a powerful and versatile cross-platform audio tag editor that supports multiple audio file formats. It is designed for both novice and experienced users to efficiently organize and manage their music collections through comprehensive metadata editing features.

Geeqie is a blazingly fast and extremely customizable Gtk+ based image viewer designed for Unix-like operating systems. It excels at efficient photo browsing, organization, and basic editing, making it an ideal tool for photographers and anyone dealing with large image collections.

Nomacs is a fast and lightweight free, open-source image viewer offering a wide array of features for diverse image formats, including RAW and PSD. It provides essential editing tools, batch processing capabilities, and extensibility via plugins, making it more than just a simple viewer.

F-Spot is a discontiued, but capable photo management application specifically designed for the GNOME desktop environment. It offers a range of features for organizing, editing, and sharing personal photo collections, supporting various image formats.

JPEGView is a lean, fast, and highly configurable image viewer for Windows, designed for efficient viewing and basic processing of JPEG, BMP, PNG, and other popular image formats. It excels in performance and offers real-time image processing capabilities.

Krusader is a powerful, dual-pane file manager for Unix-like operating systems, offering extensive file management capabilities, including archive handling, FTP support, batch operations, and advanced customization options. It's designed for users who need an efficient and feature-rich alternative to standard file browsers.

ImageMagick is a powerful, free, and open-source software suite designed for comprehensive manipulation of both raster and vector images. It offers a vast array of tools for displaying, converting, editing, and processing image files, accessible primarily through a compelling command-line interface.

fre:ac is a free audio converter and CD ripper supporting popular audio formats such as MP3, MP4, Ogg Vorbis, FLAC, AAC, and Bonk. It's available for Windows, macOS, Linux, and FreeBSD and is released under the GNU General Public License.

aria2 is a versatile command-line download utility supporting multiple protocols and sources, including HTTP/HTTPS, FTP, SFTP, BitTorrent, and Metalink. It's known for its lightweight nature and powerful features like multi-source downloading, session management, and remote control capabilities.

Darktable is a powerful, open-source and free photography workflow application and raw developer, offering professional-grade tools for managing and editing digital negatives. It's a non-destructive editor designed by photographers for photographers.

RawTherapee is a powerful, cross-platform open-source raw image processing application. It provides a comprehensive suite of tools for non-destructive editing of raw photographic files, offering advanced control over exposure, color, detail, and more for photographers seeking fine-tuned image manipulation without the limitations of compressed formats.

Far Manager is a console-based file manager for Windows, offering a powerful dual-pane interface and extensive customization options. It supports keyboard shortcuts for efficient navigation and file operations, while its plugin architecture allows for significant expandability.

digiKam is a powerful, free, and open-source professional photo management application designed to handle large collections of digital photographs. It provides a comprehensive set of tools for organizing, tagging, editing, and publishing high-quality images across various platforms.

VirtualDub is a classic, free and open-source video processing utility for Windows, designed for linear video editing, capturing, and batch processing. It excels at precise cutting, filtering, and re-encoding for digital video files.

Wget is a powerful and versatile free command-line utility designed for non-interactive downloading of files from the web. It supports HTTP, HTTPS, and FTP protocols, making it a go-to tool for scripting downloads and automating web tasks.

FFmpeg is a powerful, open-source multimedia framework offering a vast suite of command-line tools for handling audio and video files, empowering users with comprehensive control over conversion, streaming, and editing tasks.

HandBrake is a free and open-source video transcoder renowned for its capability to convert videos to a wide range of formats, with a special focus on popular devices. It's a powerful tool for users looking to optimize video for playback compatibility, archival, or file size reduction.