| haskellPackages.cabal-fmt | Format .cabal files |
| haskellPackages.macrm | Alternative rm command for macOS that remove files/dirs to the system trash |
| haskellPackages.codec-rpm | A library for manipulating RPM files |
| haskellPackages.wkt-types | A library for working with .wkt files. |
| haskellPackages.tex-join-bib | Compile separate tex files with the same bibliography |
| perl5Packages.iCalParser | Parse iCalendar files into a data structure |
| perl5Packages.ConfigStd | Load and save configuration files in a standard format |
| tclPackages.pdf4tcl | Tcl package for generating PDF files |
| yaziPlugins.restore | Undo/Recover trashed files/folders |
| perl540Packages.FontAFM | Interface to Adobe Font Metrics files |
| perl538Packages.TestPod | Check for POD errors in files |
| perl540Packages.MP3Info | Manipulate / fetch info from MP3 audio files |
| perl538Packages.MP3Info | Manipulate / fetch info from MP3 audio files |
| perl538Packages.FontAFM | Interface to Adobe Font Metrics files |
| perl540Packages.TestPod | Check for POD errors in files |
| base16384 | Encode binary files to printable utf16be |
| canfigger | Lightweight library designed to parse configuration files |
| haskellPackages.dhall-csv | Convert bidirectionally between Dhall and CSV files |
| jpegoptim | Optimize JPEG files |
| haskellPackages.xml-to-json | Library and command line tool for converting XML files to json |
| libconfig | C/C++ library for processing configuration files |
| msgviewer | Viewer for .msg files (MS Outlook) |
| perlPackages.IOLockedFile | Supply object methods for locking files |
| php81Packages.php-parallel-lint | Tool to check syntax of PHP files faster than serial check with fancier output |
| dejsonlz4 | Decompress Mozilla Firefox bookmarks backup files |
| dos2unix | Convert text files with DOS or Mac line breaks to Unix line breaks and vice versa |
| haskellPackages.csv-table | Scripts for manipulating tables stored as CSV files |
| haskellPackages.dicom | A library for reading and writing DICOM files in the Explicit VR Little Endian transfer syntax |
| haskellPackages.xcb-types | Parses XML files used by the XCB project |
| libmysofa | Reader for AES SOFA files to get better HRTFs |
| perl5Packages.AppConfig | Bundle of Perl5 modules for reading configuration files and parsing command line arguments |
| perlPackages.TextReflow | Reflow text files using Knuth's paragraphing algorithm |
| pacparser | Library to parse proxy auto-config (PAC) files |
| texlivePackages.srcltx | Jump between DVI and TeX files |
| texlivePackages.bibcop | Style checker for .bib files |
| texlivePackages.dviasm | A utility for editing DVI files |
| yaziPlugins.smart-enter | Open files or enter directories all in one key |
| perl540Packages.TextBibTeX | Interface to read and parse BibTeX files |
| perl540Packages.DBDCSV | DBI driver for CSV files |
| perl540Packages.XMLRSS | Creates and updates RSS files |
| perl538Packages.DataICal | Generates iCalendar (RFC 2445) calendar files |
| perl538Packages.XMLRSS | Creates and updates RSS files |
| perl538Packages.TextBibTeX | Interface to read and parse BibTeX files |
| perl538Packages.DBDCSV | DBI driver for CSV files |
| perl540Packages.DataICal | Generates iCalendar (RFC 2445) calendar files |
| haskellPackages.cartel | Specify Cabal files in Haskell |
| haskellPackages.git-annex | manage files with git, without checking their contents into git |
| idrisPackages.config | Parsers for various configuration files written in Idris |
| haskellPackages.siphon | Encode and decode CSV files |
| haskellPackages.tttool | Working with files for the Tiptoi® pen |
| perlPackages.TestCPANMetaJSON | Validate your CPAN META.json files |
| perlPackages.XMLLibXMLSimple | API for simple XML files |
| perlPackages.ConfigTiny | Read/Write .ini style files with as little code as possible |
| texlivePackages.dtxtut | Tutorial on writing .dtx and .ins files |
| perl540Packages.ENVUtil | Parse prefixed environment variables and dotnev (.env) files into Perl |
| perl538Packages.ENVUtil | Parse prefixed environment variables and dotnev (.env) files into Perl |
| cabal2nix | Convert Cabal files into Nix build instructions |
| bat-extras.batwatch | Watch for changes in one or more files, and print them with bat |
| haskellPackages.DataIndex | A package for adding index column to data files |
| haskellPackages.hyraxAbif | Modules for parsing, generating and manipulating AB1 files |
| haskellPackages.biopsl | Library and executables for working with PSL files |
| haskellPackages.biophd | Library for reading phd sequence files |
| haskellPackages.kicad-data | Parser and writer for KiCad files |
| haskellPackages.bibtex | Parse, format and processing BibTeX files |
| haskellPackages.biosff | Library and executables for working with SFF files |
| haskellPackages.cabal-info | Read information from cabal files |
| haskellPackages.fits-parse | Parse FITS files |
| haskellPackages.getemx | Fetch from emusic using .emx files |
| haskellPackages.flower | Analyze 454 flowgrams (.SFF files) |
| haskellPackages.bioace | Library for reading ace assembly files |
| haskellPackages.ignore | Handle ignore files of different VCSes |
| haskellPackages.hlatex | A library to build valid LaTeX files |
| haskellPackages.tzdata | Time zone database (as files and as a module) |
| haskellPackages.zmidi-core | Read and write MIDI files |
| mktorrent | Command line utility to create BitTorrent metainfo files |
| perl5Packages.IOLockedFile | Supply object methods for locking files |
| texlivePackages.show-pdf-tags | Extract PDF tags from tagged PDF files |
| texlivePackages.ltximg | Extract LaTeX environments into separate image files |
| texlivePackages.bibtex | Process bibliographies (bib files) for LaTeX or other formats |
| texlivePackages.luaxml | Lua library for reading and serialising XML files |
| stack2nix | Convert stack.yaml files into Nix build instructions. |
| whatstyle | Find a code format style that fits given source files |
| perl540Packages.TextDiff | Perform diffs on files and record sets |
| perl538Packages.TextDiff | Perform diffs on files and record sets |
| perl538Packages.PDFAPI2 | Create, modify, and examine PDF files |
| perl540Packages.PDFAPI2 | Create, modify, and examine PDF files |
| emacsPackages.ebuild-mode | Major modes for Gentoo package files |
| haskellPackages.Frames | Data frames for working with tabular data files |
| haskellPackages.dotgen | A simple interface for building .dot graph files. |
| haskellPackages.lsfrom | List directory files starting from a specific name |
| haskellPackages.json-state | Keep program state in JSON files |
| haskellPackages.cutter | Cut files according to a position list |
| haskellPackages.dotenv | Loads environment variables from dotenv files |
| haskellPackages.linux-perf | Read files generated by perf on Linux |
| haskellPackages.hs-gen-iface | Utility to generate haskell-names interface files |
| haskellPackages.mbox-tools | A collection of tools to process mbox files |
| haskellPackages.dep-t-value | Pair resources files with types within your program |
| haskellPackages.netpbm | Loading PBM, PGM, PPM image files |
| perlPackages.ParseSyslog | Parse Unix syslog files |
| texlivePackages.hyphen-base | core hyphenation support files |