A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| Port | Category | Description |
|---|---|---|
| oath-toolkit | security | toolkit for OATH/HOTP and TOTP |
| obconf | x11 | configuration utility for openbox |
| obfs4proxy | net | a "look-like nothing" obfuscation protocol for TCP |
| objfw | devel | portable, lightweight framework for the Objective-C language |
| obmenu | x11 | Openbox menu editor |
| obsdfreqd | sysutils | userland daemon to manage CPU frequency |
| oc | sysutils | command line tool for controlling OpenShift clusters |
| ocaml | lang | ML language with complete class-based objective system |
| ocaml-cairo | graphics | binding to cairo, a 2D vector graphics library |
| ocaml-camlp-streams | devel | Stream and Genlex libraries for Camlp4/5 |
| ocaml-cppo | devel | OCaml preprocessor |
| ocaml-graph | devel | OCaml graph library |
| ocaml-graphics | graphics | graphics library providing basic drawing primitives |
| ocaml-menhir | devel | OCaml parser generator for LR(1) grammars |
| ocaml-num | math | library for arithmetic on big integers and rationals |
| ocaml-ocamlbuild | devel | ocamlbuild |
| ocaml-parmap | devel | OCaml parallel map primitive for multicores |
| ocaml-yojson | devel | optimized parsing and printing library for the JSON format |
| ocaml-zarith | math | arbitrary precision integer and rational arithmetic |
| ocp | audio | UNIX port of Open Cubic Player |
| ocrad | graphics | OCR program for pnm/PNG files |
| ocrmypdf | add an OCR text layer to scanned PDF files | |
| ocserv | net | server implementing the AnyConnect SSL VPN protocol |
| octave | math | Scientific Programming Language |
| od1000_firmware | sysutils | firmware and flash tool for SOFTIRON OverDrive 1000 |
| odamex | games | online multiplayer doom |
| ode | devel | high performance library for simulating rigid body dynamics |
| odoo | www | all-in-one management software |
| odt2txt | textproc | convert OpenDocument Text to plain text |
| offlineimap | powerful IMAP/Maildir synchronization and reader support | |
| oggfwd | net | pipe an Ogg stream to an Icecast server |
| oggz | multimedia | inspect, edit and validate Ogg files |
| ogle | x11 | DVD player |
| ogle_gui | x11 | GUI for ogle |
| ogmtools | multimedia | ogg mux/demuxer |
| ogre | x11 | 3D rendering engine |
| ogvt | security | simple tool for verifying gpg signatures |
| oicb | net | minimalistic command-line ICB client |
| oidentd | net | ident daemon with custom responses and NAT support |
| oilwar | games | sdl shoot 'em up; stop evil army from getting your oil |
| oinkmaster | net | update your Snort rules |
| ois | devel | object-oriented input system |
| oledump | security | analyze OLE files |
| oletools | security | python tools to analyze OLE files |
| olm | devel | Double Ratchet cryptographic ratchet in C++ |
| olsrd | net | OLSR routing daemon |
| omega | games | complex rogue-style game of dungeon exploration |
| onesixtyone | security | efficient SNMP scanner |
| onew | japanese | library for Japanese Input Method Wnn4 |
| oniguruma | textproc | regular expressions library |
| onioncat | net | IP-Transparent Tor/I2P Hidden Service Connector |
| oolite | games | space combat and trading game in the style of Elite |
| opam | sysutils | OCaml source-based package manager |
| open62541 | misc | library implementation of OPC UA |
| openal | audio | cross-platform 3D audio API |
| openarena | games | OpenArena client |
| openbabel | misc | chemistry file translation program |
| openbox | x11 | small, fast & usable window manager |
| openbsd-backgrounds | graphics | pictures for your background by OpenBSD developers |
| openbsd-developers | geo | geographic location of past and present OpenBSD developers |
| openbsdisks2 | sysutils | UDisks2 service implementation for OpenBSD |
| opencascade | cad | platform for 3D CAD, CAM, and CAE |
| opencc | converters | convert between traditional and simplified Chinese |
| openclipart | desktop publishing clip-art | |
| openclonk | games | tactical action game focusing on controlling Clonks |
| opencolorio | graphics | color management library |
| openconnect | net | client for Cisco AnyConnect SSL VPN |
| opencore-amr | audio | implementation of the Adaptive Multi Rate speech codec |
| opencsg | graphics | constructive solid geometry rendering library |
| opencv | graphics | library for computer vision real-time processing |
| opendht | devel | lightweight C++17 Distributed Hash Table implementation |
| opendkim | library and milter for DKIM (Domain Keys Identified Mail) | |
| opendmarc | library and milter for DMARC | |
| opendnssec | security | open-source turn-key solution for DNSSEC |
| opendyslexic | fonts | font to increase readability for readers with dyslexia |
| openexr | graphics | high dynamic range image format |
| openfire | net | XMPP real time collaboration server |
| openfodder | games | open source port of Cannon Fodder game |
| openfst | math | weighted finite-state transducers library |
| openh264 | multimedia | Cisco implementation of H.264 codec |
| openimageio | graphics | library for reading and writing images |
| openjade | textproc | object-oriented DSSSL engine |
| openjazz | games | open-source version of the classic Jazz Jackrabbit games |
| openjk | games | open source reimplementation of Jedi Academy game |
| openjp2 | graphics | open-source JPEG 2000 codec library |
| openjph | graphics | implementation of JPEG2000 Part-15 |
| openldap | databases | LDAP client library and tools |
| openmdns | net | MDNS/DNS-SD daemon |
| openmoji | fonts | SVG/COLR-based open source emoji fonts |
| openmpi | devel | open source MPI-3.1 implementation |
| openmsx | emulators | MSX home computer emulator |
| openmw | games | open source implementation of TES III: Morrowind |
| opennap | audio | opensource Napster(tm) server |
| openocd | devel | Open On-Chip Debugging |
| openomf | games | free remake of One Must Fall 2097 game engine |
| openpam | security | Pluggable Authentication Module |
| openpoppassd | sysutils | daemon for changing passwords |
| openra | games | open-source real-time strategy game engine |
| openradtool | www | application source generator |
| openrct2 | games | open source re-implementation of RollerCoaster Tycoon 2 |
| openrdap | net | command-line RDAP (Registration Data Access Protocol) client |
| opensbi | sysutils | RISC-V Supervisor Binary Interface |
| opensc | security | set of libraries and utilities to access smart cards |
| openscad | cad | programmers solid 3D CAD modeller |
| openscenegraph | graphics | 3D graphics toolkit |
| opensearch | textproc | distributed and RESTful search engine |
| opensearch-dashboards | www | visualization tool for data in OpenSearch |
| opensonic | games | game based on the Sonic the Hedgehog universe |
| opensp | textproc | object-oriented SGML parser |
| openssl-ruby-tests | security | sources of the Ruby OpenSSL gem for regression testing |
| opensta | cad | Parallax Static Timing Analyzer |
| opensubdiv | graphics | open-source subdivision surface library |
| opentimelineio | multimedia | editorial timeline API and interchange format |
| opentofu | sysutils | declaratively manage infrastructure |
| openttd | games | open source clone of the game Transport Tycoon Deluxe |
| opentype-sanitizer | sanitizer for OpenType fonts | |
| opentyrian | games | port of the DOS shoot-em-up Tyrian |
| opentyrian-data | games | data for opentyrian |
| openvdb | graphics | tools for storage and manipulation of volumetric data |
| openvmps | net | free implementation of Cisco VMPS |
| openvpn | net | easy-to-use, robust, and highly configurable VPN |
| openvpn-auth-ldap | net | LDAP authentication plugin for OpenVPN 2.x |
| openvpn-otp | net | OpenVPN OTP Authentication support |
| openvpn_bsdauth | net | BSD Auth helper program for OpenVPN |
| openwsman | sysutils | open source WS-Management client API |
| openwv | multimedia | open reimplementation of Google's Widevine CDM |
| openxcom | games | open source reimplementation of the original X-Com |
| ophcrack | security | password cracker based on rainbow tables |
| ophis | devel | 6502-series cross-assembler |
| opm | security | minimalistic password manager written in shell |
| opmsg | security | a replacement for gpg which can encrypt/sign/verify |
| optipng | graphics | lossless PNG optimizer |
| opus | audio | IETF audio codec |
| opus-tools | audio | encode, inspect, and decode Opus files |
| opusfile | audio | high-level decoding and seeking API for Opus files |
| orc | devel | library and toolset to operate arrays of data |
| orcania | devel | potluck with different functions for different purposes |
| oroborus | x11 | minimalistic X11 window manager |
| orthorobot | games | perspective puzzle game |
| os-test | misc | test suites for POSIX operating systems |
| osbf-lua | lua text classification module and anti-spam solution | |
| osd_clock | x11 | xosd based clock |
| osm-gps-map | geo | Gtk+ Widget for Displaying OpenStreetMap tiles |
| osm2pgrouting | geo | convert OSM data to PgRouting format |
| osm2pgsql | geo | OSM data to PostgreSQL converter |
| osmo | productivity | handy personal organizer |
| osrm-backend | geo | high-performance road network routing engine |
| osrtspproxy | net | RTSP proxy reference implementation |
| ossec-hids | security | host-based intrusion detection system |
| osv-scanner | security | scan your project's dependencies for vulnerabilities |
| otcl | lang | MIT Object Tcl |
| otf2bdf | converters | OpenType to BDF font converter |
| otpcalc | security | OTP and S/Key calculator for X |
| ots | textproc | open source tool for summarizing texts |
| otter-browser | www | browser aiming to recreate classic Opera (12.x) UI using Qt5 |
| ottomatic | games | family-friendly 3D third person sci-fi action arcade |
| outguess | security | universal steganography tool |
| overpass | fonts | font family inspired by Highway Gothic |
| owamp | net | rfc4656 one-way active measurement protocol |
| owncloudclient | net | owncloud sync client |
| owx | comms | tool for programming Wouxun transcievers |
| oxipng | graphics | multithreaded lossless PNG compression optimizer |