processes (last, ac, accton, lastcomm, sa, dump-utmp, dump-acct) GNU ddrescue – data recovery tool GNU Emacs – implementation of Emacs editor GNU fcrypt – on-the-fly encryption GNU Guix – package manager GNU libextractor – metadata extraction library and tool GNU Midnight Commander – text-based Orthodox file manager & FTP client Mtools − collection of tools to edit MS-DOS floppy disks GNU nano – text editor GNU parallel – shell tool for executing jobs in parallel GNU Parted – hard drive partitioning program GNU Privacy Guard – PGP encryption replacement GNU Privacy Assistant, a graphical frontend to GNU Privacy Guard GNU Stow – managing the installation of software packages pexec – shell tool for executing jobs in parallel Database GnowSys – kernel for semantic computing (a distributed agent oriented knowledge base.) GNU dbm (GDBM) GNU Ferret – Free Entity Relationship and Reverse Engineering Tool, an SQL database designer Scientific software GNU Archimedes – TCAD software for semiconductor device simulations GNU Astronomy Utilities (Gnuastro) – Programs and libraries for astronomical data manipulation and analysis GNU Circuit Analysis Package (Gnucap) – GNU Circuit Analysis Package GNU datamash – programming language and command line utility for statistical computing GNU Electric – EDA software used to draw schematics and to do integrated circuit layout GNU MCSim – simulation and statistical inference tool for algebraic or differential equation systems GNU Multi-Precision Library (GMP) – arbitrary precision numerical calculation programming library GNU Octave – program for numerical computations, similar to MATLAB GNU Scientific Library (GSL) – Numeric analysis library. GNU Units – unit conversion R – programming language and software environment for statistical computing and graphics PSPP – statistical program, similar to SPSS XaoS – fractal zoomer Internet Dld — performs dynamic link editing Jami (formerly GNU Ring) – a free softphone and videocall software, a drop-in replacement for Skype GNU Alexandria – uses GNU Bayonne to provide access to electronic content and services for the blind over the public telephone network GNU Anubis – outgoing mail processor that sits between the Mail User Agent and the Mail Transport Agent GNU FM – federated music community platform, most commonly associated with Libre.fm GNU Mailman – electronic mailing list management GNU MediaGoblin – decentralized media sharing GNU Artanis – Web Application Framework GNU Social – distributed social network that is the continuation of the StatusNet codebase Gnu Sovix – PHP-based website revision system GNU wget – advanced file