Letter O
Packages beginning with letter "O".
- OCE - OpenCASCADE Community Edition
- ORBit2 - A high-performance CORBA Object Request Broker
- OpenColorIO - Enables color transforms and image display across graphics apps
- OpenEXR - A high dynamic-range (HDR) image file format
- OpenIPMI - IPMI (Intelligent Platform Management Interface) library and tools
- OpenSceneGraph - High performance real-time graphics toolkit
- oath-toolkit - One-time password components
- obby - A library which provides synced document buffers
- obconf - A graphical configuration editor for the Openbox window manager
- obconf-qt - A configuration editor for the OpenBox window manager
- obexftp - Tool to access devices via the OBEX protocol
- objectweb-anttask - ObjectWeb Ant task
- objectweb-asm - A code manipulation tool to implement adaptable systems
- objectweb-asm4 - A code manipulation tool to implement adaptable systems
- objenesis - A library for instantiating Java objects
- obmenu - A graphical menu editor for Openbox
- obs-studio - Open Broadcaster Software Studio
- ocaml - OCaml compiler and programming environment
- ocaml-SDL - OCaml bindings for SDL
- ocaml-ancient - OCaml library for large memory structures and sharing
- ocaml-augeas - OCaml bindings for Augeas configuration API
- ocaml-autoconf - Autoconf macros for OCaml
- ocaml-base64 - Base64 library for OCaml
- ocaml-benchmark - Benchmarking module for OCaml
- ocaml-bin-prot - Read and write OCaml values in a type-safe binary protocol
- ocaml-biniou - Safe and fast binary data format
- ocaml-bisect - OCaml code coverage tool
- ocaml-bitstring - OCaml library for matching and constructing bitstrings
- ocaml-cairo - OCaml library for accessing cairo graphics
- ocaml-calendar - Objective Caml library for managing dates and times
- ocaml-camlidl - Stub code generator and COM binding for Objective Caml
- ocaml-camlimages - OCaml image processing library
- ocaml-camlp4 - Pre-Processor-Pretty-Printer for OCaml
- ocaml-camlp5 - Classical version of camlp4 OCaml preprocessor
- ocaml-camomile - Unicode library for OCaml
- ocaml-cil - CIL - Infrastructure for C Program Analysis and Transformation
- ocaml-cmdliner - Declarative definition of command line interfaces for OCaml
- ocaml-cppo - Equivalent of the C preprocessor for OCaml programs
- ocaml-cryptokit - OCaml library of cryptographic and hash functions
- ocaml-csv - OCaml library for reading and writing CSV files
- ocaml-cudf - Format for describing upgrade scenarios
- ocaml-curl - OCaml Curl library (ocurl)
- ocaml-curses - OCaml bindings for ncurses
- ocaml-dbus - OCaml library for using D-Bus
- ocaml-deriving - Extension to OCaml for deriving functions from types
- ocaml-dose3 - Framework for managing distribution packages and dependencies
- ocaml-easy-format - High-level and functional interface to the Format module
- ocaml-expat - OCaml wrapper for the Expat XML parsing library
- ocaml-extlib - OCaml ExtLib additions to the standard library
- ocaml-facile - OCaml library for constraint programming
- ocaml-fileutils - OCaml library for common file and filename operations
- ocaml-findlib - Objective CAML package manager and build helper
- ocaml-gen - Simple, efficient iterators for OCaml
- ocaml-gettext - OCaml library for i18n
- ocaml-gsl - Interface to GSL (GNU scientific library) for OCaml
- ocaml-json-static - OCaml JSON validator and converter (syntax extension)
- ocaml-json-wheel - OCaml library for parsing JSON
- ocaml-lablgl - LablGL is an OpenGL interface for Objective Caml
- ocaml-lablgtk - Objective Caml interface to gtk+
- ocaml-labltk - Tcl/Tk interface for OCaml
- ocaml-lacaml - BLAS/LAPACK-interface for OCaml
- ocaml-libvirt - OCaml binding for libvirt
- ocaml-lwt - OCaml lightweight thread library
- ocaml-mccs - Multi Criteria CUDF Solver with OCaml bindings
- ocaml-menhir - LR(1) parser generator for OCaml
- ocaml-migrate-parsetree - Convert OCaml parsetrees between different major versions
- ocaml-mikmatch - OCaml extension for pattern matching with regexps
- ocaml-mlgmpidl - OCaml interface to GMP and MPFR libraries
- ocaml-mysql - OCaml library for accessing MySQL databases
- ocaml-newt - OCaml library for using newt text mode window system
- ocaml-oasis - Tooling for building OCaml libraries and applications
- ocaml-obuild - Simple package build system for OCaml
- ocaml-ocamlbuild - Build tool for OCaml libraries and programs
- ocaml-ocamlgraph - OCaml library for arc and node graphs
- ocaml-ocamlnet - Network protocols for OCaml
- ocaml-ocplib-simplex - Simplex algorithm for solving systems of linear inequalities
- ocaml-omake - Build system with automated dependency analysis
- ocaml-opam-file-format - Parser and printer for the opam file syntax
- ocaml-openin - OCaml syntax to locally open modules
- ocaml-ounit - Unit test framework for OCaml
- ocaml-p3l - OCaml compiler for parallel programs
- ocaml-pa-monad - OCaml syntax extension for monads
- ocaml-pcre - Perl compatibility regular expressions (PCRE) for OCaml
- ocaml-perl4caml - OCaml library for calling Perl libraries and code
- ocaml-pgocaml - OCaml library for type-safe access to PostgreSQL databases
- ocaml-postgresql - OCaml library for accessing PostgreSQL databases
- ocaml-ppx-tools-versioned - Tools for authors of ppx rewriters
- ocaml-preludeml - OCaml utility functions
- ocaml-ptmap - Maps over integers implemented as Patricia trees
- ocaml-pxp - Validating XML parser
- ocaml-qcheck - QuickCheck inspired property-based testing for OCaml
- ocaml-qtest - Inline (Unit) Tests for OCaml
- ocaml-re - A regular expression library for OCaml
- ocaml-react - OCaml framework for Functional Reactive Programming (FRP)
- ocaml-res - OCaml library for resizing arrays and strings
- ocaml-result - Compat result type
- ocaml-rope - Ropes ("heavyweight strings") for OCaml
- ocaml-sexplib - OCaml library for converting OCaml values to S-expressions
- ocaml-sqlite - OCaml library for accessing SQLite3 databases
- ocaml-srpm-macros - OCaml architecture macros
- ocaml-ssl - SSL bindings for OCaml
- ocaml-tplib - Tropical Polyhedra Library
- ocaml-type-conv - OCaml base library for type conversion
- ocaml-ulex - OCaml lexer generator for Unicode
- ocaml-xml-light - Minimal XML parser and printer for OCaml
- ocaml-xmlm - A streaming XML codec
- ocaml-xmlrpc-light - OCaml library for writing XML-RPC clients and servers
- ocaml-yojson - An optimized parsing and printing library for the JSON format
- ocaml-zarith - OCaml interface to GMP
- ocaml-zed - Abstract engine for text edition in OCaml
- ocaml-zip - OCaml library for reading and writing zip, jar and gzip files
- ocamldsort - Dependency sorter for OCaml source files
- ocamlify - Include files in OCaml code
- ocamlmod - Generate OCaml modules from source files
- ocfs2-tools - Tools for managing the Oracle Cluster Filesystem 2
- ocl-icd - OpenCL Library (Installable Client Library) Bindings
- ocrad - An Optical Character Recognition program
- ocserv - OpenConnect SSL VPN server
- octave - A high-level language for numerical computations
- octave-brain2mesh - A fully automated high-quality brain tetrahedral mesh generation toolbox
- octave-communications - Communications for Octave
- octave-control - Computer-Aided Control System Design (CACSD) Tools for Octave
- octave-dicom - Dicom processing for Octave
- octave-doctest - Documentation tests for Octave
- octave-general - General tools for Octave, string dictionary, parallel computing
- octave-gsl - Octave bindings to the GNU Scientific Library
- octave-image - Image processing for Octave
- octave-interval - Interval arithmetic for Octave
- octave-io - Input/Output in external formats
- octave-iso2mesh - A 3D surface and volumetric mesh generator for MATLAB/Octave
- octave-jnifti - Fast NIfTI-1/2 reader and NIfTI-to-JNIfTI converter for MATLAB/Octave
- octave-jsonlab - A JSON/UBJSON/MessagePack encoder/decoder for MATLAB/Octave
- octave-mcxlab - MCXLAB - A GPU Monte Carlo 3-D photon transport simulator for MATLAB/Octave
- octave-metch - Mesh/volume registration toolbox
- octave-miscellaneous - Miscellaneous functions for Octave
- octave-ncarray - Access NetCDF files as a multi-dimensional array
- octave-netcdf - A MATLAB compatible NetCDF interface for Octave
- octave-nnet - A feed forward multi-layer neural network
- octave-odepkg - A package for solving ordinary differential equations and more
- octave-optim - A non-linear optimization tool kit for Octave
- octave-parallel - Parallel execution package for cluster computers for Octave
- octave-quaternion - Quaternion package for Octave
- octave-signal - Signal processing tools for Octave
- octave-specfun - Special functions for Octave, including ellipitic functions
- octave-statistics - Additional statistics functions for Octave
- octave-struct - Structure handling for Octave
- octave-symbolic - Symbolic computations for Octave
- octave-zmat - A portable data compression/decompression toolbox for MATLAB/Octave
- oddjob - A D-Bus service which runs odd jobs on behalf of client applications
- ode - High performance library for simulating rigid body dynamics
- odfpy - Python library for manipulating OpenDocument files
- offlineimap - Powerful IMAP/Maildir synchronization and reader support
- oflb-asana-math-fonts - An OpenType font with a MATH table
- oflb-brett-fonts - A handwriting font
- oflb-dignas-handwriting-fonts - Handwriting font
- oflb-goudy-bookletter-1911-fonts - Clean serif font based on Kennerly Old Style
- oflb-icelandic-fonts - Icelandic Magical Staves
- oflb-notcouriersans-fonts - NotCourier Sans is a re-interpretation of Nimbus Mono
- oflb-prociono-fonts - A text roman with standard and discretionary ligatures, class-based kerning
- oflb-riordonfancy-fonts - A stylized font
- oflb-roadstencil-fonts - Roadstencil Fonts
- oflb-smonohand-fonts - A handwritten monospace font
- oflb-sportrop-fonts - A multiline decorative font
- ofono - Open Source Telephony
- ogdi - Open Geographic Datastore Interface
- oggvideotools - Toolbox for manipulating Ogg video files
- ogmrip - DVD ripping and encoding graphical user interface
- ogmtools - Tools for Ogg media streams
- ogre - Object-Oriented Graphics Rendering Engine
- oidn - Library of denoising filters for images rendered with ray tracing
- ois - Open Input System, OO gaming input library
- okteta - Binary/hex editor
- okular - A document viewer
- oldstandard-sfd-fonts - Old Standard True-Type Fonts
- omping - Utility to test IP multicast functionality
- onboard - On-screen keyboard for TabletPC and mobility impaired users (Xorg only)
- oneVPL - oneAPI Video Processing Library
- oneVPL-intel-gpu - Intel oneVPL GPU Runtime
- oneko - Cat chases the cursor
- oniguruma - Regular expressions library
- onionshare - Securely and anonymously share files of any size
- onvifviewer - ONVIF camera viewer for Plasma Mobile and Linux desktop
- oomox - Tool to create variations of Arc/Materia themes, Numix/Papirus/Suru++ icon themes
- oomox-gtk-theme - An improved fork of numix-gtk-theme
- opal - Open Phone Abstraction Library
- opam - Source-based package manager for OCaml
- open-sans-fonts - Open Sans is a humanist sans-serif typeface designed by Steve Matteson
- openCOLLADA - Collada 3D import and export libraries
- openal-soft - Open Audio Library
- openambit - Open software for the Suunto Ambit(2)
- openbabel - Chemistry software file format converter
- openblas - An optimized BLAS library based on GotoBLAS2
- openblas-srpm-macros - OpenBLAS architecture macros
- openbox - A highly configurable and standards-compliant X11 window manager
- opencc - Libraries for Simplified-Traditional Chinese Conversion
- openchange - Provides access to Microsoft Exchange servers using native protocols
- opencity - Full 3D city simulator game project
- opencl-filesystem - OpenCL filesystem layout
- opencl-headers - OpenCL (Open Computing Language) header files
- opencl-utils - Useful OpenCL tools and utilities
- openclonk - Multiplayer action, tactics and skill game
- opencolorio - Enables color transforms and image display across graphics apps
- openconnect - Open client for Cisco AnyConnect VPN, Juniper Network Connect/Pulse, PAN GlobalProtect
- opencore-amr - OpenCORE Adaptive Multi Rate Narrowband and Wideband speech lib
- opencryptoki - Implementation of the PKCS#11 (Cryptoki) specification v3.0
- opencsg - Library for Constructive Solid Geometry using OpenGL
- openct - Middleware framework for smart card terminals
- opencv - Collection of algorithms for computer vision
- opencv24 - Collection of algorithms for computer vision
- opencv33 - Collection of algorithms for computer vision
- opencv34 - Collection of algorithms for computer vision
- opendbx - Lightweight but extensible database access library written in C
- opendkim - A DomainKeys Identified Mail (DKIM) milter to sign and/or verify mail
- opendmarc - A Domain-based Message Authentication, Reporting & Conformance (DMARC) milter and library
- opendyslexic-fonts - Font designed for dyslexics and high readability
- openexr - Provides the specification and reference implementation of the EXR file format
- openexr25 - Provides the specification and reference implementation of the EXR file format
- openfortivpn - Client for PPP+SSL VPN tunnel services
- openfst - Weighted finite-state transducer library
- opengl-games-utils - Utilities to check proper 3d support before launching 3d games
- opengrm-ngram - Library for making and modifying n-gram language models
- openimageio - Library for reading and writing images
- openjade - A DSSSL implementation
- openjpeg - JPEG 2000 command line tools
- openjpeg2 - C-Library for JPEG 2000
- openldap - LDAP support libraries
- openlibrary - Set of various toolkits
- openmpi - Open Message Passing Interface
- openni - Library for human-machine Natural Interaction
- openni-primesense - PrimeSensor/Kinect Modules for OpenNI
- openobex - Library for using OBEX
- openpgm - An implementation of the PGM reliable multicast protocol
- openrdate - Good-old rdate date and time-setting software
- opensc - Smart card library and applications
- openscap - Set of open source libraries enabling integration of the SCAP line of standards
- openshot-qt - A Qt based non-linear video editor
- openslide - C library for reading virtual slides
- openslide-python - Python bindings for the OpenSlide library
- openslp - Open implementation of Service Location Protocol V2
- opensm - OpenIB InfiniBand Subnet Manager and management utilities
- opensmtpd - Free implementation of the server-side SMTP protocol as defined by RFC 5321
- opensmtpd-extras - Extra addons for OpenSMTPD
- opensonic - opensonic is open-source game based on the "Sonic the Hedgehog" universe .
- opensp - SGML and XML parser
- openssh - An open source implementation of SSH protocol version 2
- openssl-pkcs11 - A PKCS#11 engine for use with OpenSSL
- openssl098e - A compatibility version of a general cryptography and TLS library
- openssl10 - Utilities from the general purpose cryptography library with TLS implementation
- openssl11 - Utilities from the general purpose cryptography library with TLS implementation
- openstv - Single transferable vote and instant runoff voting software
- opensubdiv - High performance subdivision surface libraries
- opensurge - An open source game engine for retro games
- openswan - IPSEC implementation with IKEv1 and IKEv2 keying protocols
- openttd - Transport system simulation game
- openttd-opengfx - OpenGFX replacement graphics for OpenTTD
- openuniverse - OpenGL space simulator focused on the Solar System
- openvdb - C++ library for sparse volumetric data discretized on three-dimensional grids
- openvpn - A full-featured TLS VPN solution
- openwsman - Open source Implementation of WS-Management
- opera-browser-release - Opera Browser RPM repository
- ophcrack - Free Windows password cracker based on rainbow tables
- optipng - PNG optimizer and converter
- opus - An audio codec for use in low-delay speech and audio communication
- opus-tools - A set of tools for the opus audio codec
- opusfile - A high-level API for decoding and seeking within .opus files
- orage - Time-managing application for Xfce4
- orangefs - Parallel network file system client
- orc - The Oil Run-time Compiler
- orca - Assistive technology for people with visual impairments
- orchis-theme - A Material Design theme for GNOME/GTK+ based desktop environments
- oreo-dracula-cursor-theme - Color variation of the oreo cursors made to match dracula theme
- orthorobot - A perspective based puzzle game
- ortp - A C library implementing the RTP protocol (RFC3550)
- os-prober - Probes disks on the system for installed operating systems
- osbs - Python command line client for OpenShift Build Service
- osinfo-db - osinfo database files
- osinfo-db-tools - Tools for managing the osinfo database
- osm-gps-map - Gtk+ widget for displaying OpenStreetMap tiles
- osmo - Personal organizer
- osmose - A Sega Master System / Game Gear emulator
- ostree - Tool for managing bootable, immutable filesystem trees
- osutil - Operating System Utilities JNI Package
- otis-gtk-theme - Elegant dark GTK theme
- ots - A text summarizer
- otter-browser - Web browser controlled by the user, not vice-versa
- overgod - Another arcade-style shoot-em-up
- overpass-fonts - Typeface based on the U.S. interstate highway road signage type system
- owfs - 1-Wire Virtual File System
- oxygen-fonts - Oxygen fonts created by the KDE Community
- oxygen-gtk2 - Oxygen GTK+2 theme
- oxygen-gtk3 - Oxygen GTK+3 theme
- oxygen-icon-theme - Oxygen icon theme