| perl5Packages.SysMmap | Use mmap to map in a file as a Perl variable |
| perlPackages.IOHTML | Open an HTML file with automatic charset detection |
| perl5Packages.PathTiny | File path utility |
| haskellPackages.qif | A simple QIF file format parser / printer |
| haskellPackages.fs-sim | Simulated file systems |
| haskellPackages.hPDB | Protein Databank file format library |
| haskellPackages.up | Command-line tool to generate paths for moving upward in a file system |
| haskellPackages.fs-api | Abstract interface for the file system |
| texlivePackages.fink | The LaTeX2e File Name Keeper |
| kdePackages.taglib | Library for reading and editing audio file metadata |
| perl5Packages.vidir | File manager USING vim itself |
| urdfdom | Provides core data structures and a simple XML parser for populating the class data structures from an URDF file |
| haskellPackages.lio-fs | Labeled File System interface for LIO |
| knightos-genkfs | Utility to write a KFS filesystem into a ROM file |
| openexr | High dynamic-range (HDR) image file format |
| haskellPackages.spy | A compact file system watcher for Mac OS X, Linux and Windows |
| perl5Packages.IOHTML | Open an HTML file with automatic charset detection |
| haskellPackages.hw-dsv | Unbelievably fast streaming DSV file parser |
| haskellPackages.ekg-log | Push metrics to a log file |
| haskellPackages.csv-sip | extracts data from a CSV file |
| haskellPackages.hw-dump | File Dump |
| perlPackages.AnyEventAIO | Truly asynchronous file and directory I/O |
| adminneo | Database management in a single PHP file (fork of Adminer) |
| genromfs | Tool for creating romfs file system images |
| wolfebin | Quick and easy file sharing |
| haskellPackages.clod | Project file manager for Claude AI integrations |
| haskellPackages.WAVE | WAVE audio file IO library |
| haskellPackages.khph | Command-line file tagging and organization tool |
| haskellPackages.xlsx | Simple and incomplete Excel file parser/writer |
| texlivePackages.ijqc | BibTeX style file for the Intl. J. Quantum Chem |
| perlPackages.ParsePMFile | Parses .pm file as PAUSE does |
| haskellPackages.arff | Generate Attribute-Relation File Format (ARFF) files |
| haskellPackages.dura | durable/atomic file system writes (from rio package) |
| haxePackages.format | Haxe library for supporting different file formats |
| perlPackages.nsdiff | Create a "nsupdate" script from DNS zone file differences |
| haskellPackages.tini | Tiny INI file and configuration library with a minimal dependency footprint |
| argtable | Single-file, ANSI C command-line parsing library |
| haskellPackages.plan-b | Failure-tolerant file and directory editing |
| haskellPackages.lukko | File locking |
| perlPackages.IOString | Emulate file interface for in-core strings |
| perl5Packages.AnyEventAIO | Truly asynchronous file and directory I/O |
| haskellPackages.ghc-hie | HIE-file parsing machinery that supports multiple versions of GHC |
| jirafeau | Website permitting upload of a file in a simple way and giving a unique link to it |
| podofo_1_0 | Library to work with the PDF file format |
| haskellPackages.load-env | Load environment variables from a file |
| haskellPackages.svg-tree | SVG file loader and serializer |
| texlivePackages.detex | Strip TeX from a source file |
| bat-extras.batdiff | Diff a file against the current git index, or display the diff between two files |
| tclPackages.tclvfs | Tcl extension that exposes Tcl's Virtual File System (VFS) subsystem to the script level |
| perl5Packages.ParsePMFile | Parses .pm file as PAUSE does |
| haskellPackages.diff-loc | Map file locations across diffs |
| haskellPackages.Files | File content extraction/rearrangement |
| haskellPackages.delta | A library for detecting file changes |
| haskellPackages.ltext | Parameterized file evaluator |
| perl5Packages.nsdiff | Create a "nsupdate" script from DNS zone file differences |
| haskellPackages.tce-conf | Very simple config file reading |
| haskellPackages.WURFL | Convert the WURFL file into a Parsec parser |
| haskellPackages.clifm | Command Line Interface File Manager |
| haskellPackages.magic | Interface to C file/magic library |
| haskellPackages.eddie | Command line file filtering with haskell |
| haskellPackages.jenga | Generate a cabal freeze file from a stack.yaml |
| haskellPackages.sorty | Sort lines per file size |
| haskellPackages.xattr | Haskell extended file attributes interface |
| texlivePackages.aalok | LaTeX class file for the Marathi journal 'Aalok' |
| perlPackages.PerlStrip | Perl::Strip - reduce file size by stripping whitespace, comments, pod etc |
| perl5Packages.IOString | Emulate file interface for in-core strings |
| azure-sdk-for-cpp.macro-utils-c | C header file that contains a multitude of very useful C macros |
| haskellPackages.data-svd | SVD (System view description) file handling |
| haskellPackages.codex | A ctags file generator for cabal project dependencies |
| haskellPackages.hunch | CSS-like syntax for file system manipulation |
| haskellPackages.lingo | File extension based programming language detection |
| haskellPackages.hpdft | A tool for looking through PDF file using Haskell |
| haskellPackages.runhs | Stack wrapper for single-file Haskell programs |
| haskellPackages.ztail | Multi-file, colored, filtered log tailer |
| yaziPlugins.jump-to-char | Vim-like f<char>, jump to the next file whose name starts with <char>. |
| haskellPackages.path-tree | `Data.Tree` for file paths |
| perlPackages.AudioScan | Fast C metadata and tag reader for all common audio file formats, slimserver fork |
| perlPackages.CSSSquish | Compact many CSS files into one big file |
| haskellPackages.sync-mht | Fast incremental file transfer using Merkle-Hash-Trees |
| haskellPackages.hsftp | A SFTP client tool for secure file transfer operations |
| haskellPackages.hexif | Reading Exif data form a JPEG file with Haskell |
| haskellPackages.halfs | The HAskelL File System ("halfs" -- intended for use on the HaLVM) |
| haskellPackages.paths | Library for representing and manipulating type-safe file paths |
| perlPackages.AppFatPacker | Pack your dependencies onto your script file |
| haskellPackages.flat-tex | flatten a latex multi-file latex document and remove all comments |
| haskellPackages.git-freq | A Git subcommand to show total addition, deletion per file |
| haskellPackages.secrm | Example of writing "secure" file removal in Haskell rather than C |
| haskellPackages.hTalos | Parser, print and manipulate structures in PDB file format |
| haskellPackages.cobot-io | Biological data file formats and IO |
| openexr_2 | High dynamic-range (HDR) image file format |
| perl5Packages.PerlStrip | Perl::Strip - reduce file size by stripping whitespace, comments, pod etc |
| perl5Packages.AudioScan | Fast C metadata and tag reader for all common audio file formats, slimserver fork |
| perl5Packages.CSSSquish | Compact many CSS files into one big file |
| perl538Packages.DirSelf | __DIR__ constant for the directory your source file is in |
| perl540Packages.DirSelf | __DIR__ constant for the directory your source file is in |
| ocamlPackages.opam-format | Definition of opam datastructures and its file interface |
| texlivePackages.svn-multi | Subversion keywords in multi-file LaTeX documents |
| crypt4gh | Tool to encrypt, decrypt or re-encrypt files, according to the GA4GH encryption file format |
| perlPackages.CacheFastMmap | Uses an mmap'ed file to act as a shared memory interprocess cache |
| perlPackages.LWPMediaTypes | Guess media type for a file or a URL |