KDE-Services extends the features of the Dolphin File Manager right-click menu in the KDE graphical environment. It allows you to play and convert between several video formats, extract audio from movies and convert them to MP3 or FLAC, convert audio to MP3 or FLAC, securely send a file or directory to Mailx as an email, send files to Thunderbird as attachments, burn and checksum ISO images, execute scripts and applications, get low-level information on video files, build ISO images from folders, replace text, search, SSH, use Midnight Commander, use system, network, and backup/restore tools, use Samba, extract subtitles from MKV video, multiplex subtitles into MPEG-2 videos, and work with YouTube, DVDs, multimedia, GPG. You can add a timestamp prefix to a filename or directory name. A paranoid shredder, an HTTP publisher, graphic tools, RPM package tools, Xorg configuration, and Dropbox tools are included.
LibU is a multiplatform C library that comes under a BSD-style license. It includes many interdependent modules for accomplishing several tasks: memory allocation, networking and URI parsing, string manipulation, debugging, and logging in a very compact way, plus many other miscellaneous tasks. It has a small footprint (about 70KB for the default configuration), it is modular, and it has a multiplatform nature, making it an ideal candidate for embedded systems. KLone is an example of such usage.
gcp (Goffi's CoPier) is a command line file copying tool, loosely inspired by cp, but with high level functionality like a progress indicator, the ability to continue copying multiple files even when there is a problem with one of them, and the use of a journal to track successful copying. File names can be fixed to ensure compatibility with the target filesystem. If you launch a copy operation when another is already running, the files are added to the first queue to avoid hard drive thrashing. You can keep track of files you have copied, and re-copy them later. gcp is approximately option-compatible with cp.