account-plugins

accounts-qt

adns

Advanced, easy to use, asynchronous-capable DNS client library and utilities

aqbanking

Generic Online Banking Interface

axtls

azmq

balde

balde-markdown

bctoolbox

belle-sip

biblesync

c-client

UW IMAP c-client library

canlock

ccnet

ccrtp

GNU ccRTP is an implementation of RTP, the real-time transport protocol from the IETF

cdp-tools

chix

civetweb

courier-authlib

Courier authentication library.

courier-unicode

cppzmq

cpr

ctb

cvm

Credential Validation Modules by Bruce Guenter

czmq

daq

dhcpcd-dbus

dleyna-connector-dbus

dleyna-core

dleyna-renderer

dslib

enet

relatively thin, simple and robust network communication layer on top of UDP

farstream

ftplib

geonames

glib-networking

gloox

A portable high-level Jabber/XMPP library for C++

gnet

A simple network library.

gnome-online-accounts

gnutls

A TLS 1.0 and SSL 3.0 implementation for the GNU project

gsignond

gsnmp

gsoap

A cross-platform open source C and C++ SDK to ease the development of SOAP/XML Web services

gssdp

A GObject-based API for handling resource discovery and announcement over SSDP.

gtk-vnc

VNC viewer widget for GTK.

gupnp

an object-oriented framework for creating UPnP devs and control points.

gupnp-av

a small utility library that aims to ease the handling UPnP A/V profiles.

gupnp-igd

This is a library to handle UPnP IGD port mapping for GUPnP.

gupnp-ui

Collection of simple GTK+ widgets on top of GUPnP.

h323plus

haywire

htmlcxx

http-parser

iax

IAX (Inter Asterisk eXchange) Library

ignition-transport

iojs

jdns

jreen

jzmq

kqoauth

lacewing

ldns

ldns is a library with the aim to simplify DNS programing in C

liba53

libaccounts-glib

libasr

libasyncns

C library for executing name service queries asynchronously.

libbitcoinconsensus

libblkmaker

libbluedevil

libbtbb

libcalendaring

libcapi

libcidr

libcrafter

libcurl-debian

libdingaling

libdmapsharing

libdom

libecap

API for implementing ICAP content analysis and adaptation

libesmtp

lib that implements the client side of the SMTP protocol

libetpan

A portable, efficient middleware for different kinds of mail access.

libevhtp

libeweather

libeXosip

library that hides the complexity of using the SIP protocol for multimedia session establishement

libflowmanager

libgadu

This library implements the client side of the Gadu-Gadu protocol

libgcal

C/C++ interface to the Google Data API

libgcm

libgfbgraph

libgmail

Python bindings to access Google's gmail service

libgrss

LibGRSS is a library for easy management of RSS/Atom/Pie feeds

libgsasl

The GNU SASL library

libgsignon-glib

libgssglue

exports a gssapi interface which calls other random gssapi libraries

libgssh

libhackrf

libhtp

libhubbub

libiax-freeswitch

libiaxclient

libident

A small library to interface to the Ident protocol server

libinfinity

An implementation of the Infinote protocol written in GObject-based C.

libircclient

libiscsi

libisdn

libisds

libkgapi

libkolab

libkolabxml

libkpeople

libktorrent

libkvkontakte

liblockfile

Implements functions designed to lock the standard mailboxes

libmbim

libmediawiki

libmicrohttpd

GNU libmicrohttpd is a small C library that is supposed to make it easy to run an HTTP server as part of another application.

libmirisdr

libmm-qt

libmnl

libmrss

A C-library for parsing and writing RSS 0.91/0.92/1.0/2.0 files or streams

libnatpmp

libndp

libndpi

libnemesi

libnet

library to provide an API for commonly used low-level network functions (mainly packet injection)

libnetfilter_acct

libnetfilter_conntrack

programming interface (API) to the in-kernel connection tracking state table

libnetfilter_cthelper

libnetfilter_cttimeout

libnetfilter_log

interface to packets that have been logged by the kernel packet filter

libnetfilter_queue

API to packets that have been queued by the kernel packet filter

libnfnetlink

the low-level library for netfilter related kernel/userspace communication

libnfsidmap

NFSv4 ID <-> name mapping library

libnftnl

libnice

An implementation of the Interactice Connectivity Establishment standard (ICE)

libnids

emulates the IP stack of Linux 2.0.x and offers IP defragmentation, TCP stream assembly and TCP port scan detection.

libnipper

A router configuration security analysis library

libnm-qt

libntlm

Microsoft's NTLM authentication (libntlm) library

libnxml

A C-library for parsing and writing XML 1.0/1.1 files or streams

liboauth

liboping

libosip

a simple way to support the Session Initiation Protocol

libosmo-abis

libosmo-dsp

libosmo-netif

libosmo-sccp

libosmocore

libosmosdr

libotr

(OTR) Messaging allows you to have private conversations over instant messaging

libpcap

A system-independent library for user-level network packet capture

libpcapnav

A libpcap wrapper library that allows navigation to arbitrary packets in a tcpdump trace file between reads, using timestamps or percentage offsets.

libpri

Primary Rate ISDN (PRI) library

libprotoident

libproxy

Library for automatic proxy configuration management

libpsl

libpsyc

libqmi

libqtelegram-ae

libretroshare

libringclient

librouteros

librpcsecgss

implementation of rpcsec_gss (RFC 2203) for secure rpc communication

librsync

Flexible remote checksum-based differencing

libs3

libsearpc

libsignon-glib

libsmi

A Library to Access SMI MIB Information

libsng-isdn

libsng-ss7

libsoup

An HTTP library implementation in C

libsoup-gnome

GNOME plugin for libsoup

libSquirrelFish

libsrtp

an open-source implementation of the Secure Real-time Transport Protocol (SRTP)

libssh

Access a working SSH implementation by means of a library

libssh2

Library implementing the SSH2 protocol.

libswitch

libteletone

libtelnet

libtirpc

Transport Independent RPC library (SunRPC replacement)

libtmdbqt

libtorrent

LibTorrent is a BitTorrent library written in C++ for *nix.

libtorrent-rasterbar

libtrace

libturpial

libupnp

An Portable Open Source UPnP Development Kit

libupnp-castbridge

libvidcap

libvncserver

library for creating vnc servers

libvuurmuur

libwebsockets

libwfd

libwhisker

Perl module geared to HTTP testing

libyahoo2

interface to the new Yahoo! Messenger protocol

libzapojit

libzrtpcpp

GNU RTP stack for the zrtp protocol developed by Phil Zimmermann

llmozlib2

loudmouth

Lightweight C Jabber library

mbedtls

meanwhile

Meanwhile (Sametime protocol) library

miniupnpc

nacl

nativebiginteger

NativeBigInteger libs for Freenet taken from i2p

NativeThread

NativeThread for priorities on linux for freenet

neon

net6

Network access framework for IPv4/IPv6 written in C++

netembryo

a network abstraction library

netwib

Library of Ethernet, IP, UDP, TCP, ICMP, ARP and RARP protocols

nfqueue-bindings

nghttp2

nodejs

nodejs-bin

ntrack

obby

Library for collaborative text editing

onion

opal

C++ class library normalising numerous telephony protocols

opendht

openh323

openmq-cclient

C-Client Library for Open Source Java Message Service (JMS)

openpgm

openslp

An open-source implementation of Service Location Protocol

opentxs-proto

ortp

Open Real-time Transport Protocol (RTP, RFC3550) stack

osptoolkit

Open Settlement Protocol development kit

oxide-qt

pacparser

phodav

pjproject

pjsip

A SIP stack supporting many SIP extensions/features.

polarssl

Cryptographic library for embedded systems

ptlib

qmf

qtsoap

qtweetlib

qxmpp

rabbitmq-c

raknet

rb_libtorrent

C++ BitTorrent implementation focusing on efficiency and scalability

rest

restbed

ripe-atlas-sagan

roadrunner

RoadRunner library provides API for using Blocks Extensible Exchange Protocol

rpc2

Remote procedure call package for IP/UDP (used by Coda)

s2n

serf

HTTP client library

signon-oauth2

signon-ui

signond

socket++

C++ Socket Library

socket_wrapper

sofia-sip

RFC3261 compliant SIP User-Agent library

stem

stfu

telegram-qt

telepathy-accounts-signon

telepathy-farstream

telepathy-glib

GLib bindings for the Telepathy D-Bus protocol.

telepathy-indicator

telepathy-logger-qt

telepathy-qt

tox

txtorcon

ubuntu-download-manager

ubuntu-geoip

ubuntuone-credentials

udns

Async-capable DNS stub resolver library

uhttpmock

ustream-ssl

vanessa-mcast

Multicast Helper Library

vanessa-socket

Simplifies TCP/IP socket operations.

vuurmuur

wandio

webkit-gtk

Open source web browser engine

willuhn-hbci4java

wslay

wt

wvstreams

A network programming library in C++

xrootd

zeromq

zmqpp

zoidcom

account-plugins

libgssh

libvncserver

accounts-qt

libhackrf

libvuurmuur

adns

libhtp

libwebsockets

aqbanking

libhubbub

libwfd

axtls

libiax-freeswitch

libwhisker

azmq

libiaxclient

libyahoo2

balde

libident

libzapojit

balde-markdown

libinfinity

libzrtpcpp

bctoolbox

libircclient

llmozlib2

belle-sip

libiscsi

loudmouth

biblesync

libisdn

mbedtls

c-client

libisds

meanwhile

canlock

libkgapi

miniupnpc

ccnet

libkolab

nacl

ccrtp

libkolabxml

nativebiginteger

cdp-tools

libkpeople

NativeThread

chix

libktorrent

neon

civetweb

libkvkontakte

net6

courier-authlib

liblockfile

netembryo

courier-unicode

libmbim

netwib

cppzmq

libmediawiki

nfqueue-bindings

cpr

libmicrohttpd

nghttp2

ctb

libmirisdr

nodejs

cvm

libmm-qt

nodejs-bin

czmq

libmnl

ntrack

daq

libmrss

obby

dhcpcd-dbus

libnatpmp

onion

dleyna-connector-dbus

libndp

opal

dleyna-core

libndpi

opendht

dleyna-renderer

libnemesi

openh323

dslib

libnet

openmq-cclient

enet

libnetfilter_acct

openpgm

farstream

libnetfilter_conntrack

openslp

ftplib

libnetfilter_cthelper

opentxs-proto

geonames

libnetfilter_cttimeout

ortp

glib-networking

libnetfilter_log

osptoolkit

gloox

libnetfilter_queue

oxide-qt

gnet

libnfnetlink

pacparser

gnome-online-accounts

libnfsidmap

phodav

gnutls

libnftnl

pjproject

gsignond

libnice

pjsip

gsnmp

libnids

polarssl

gsoap

libnipper

ptlib

gssdp

libnm-qt

qmf

gtk-vnc

libntlm

qtsoap

gupnp

libnxml

qtweetlib

gupnp-av

liboauth

qxmpp

gupnp-igd

liboping

rabbitmq-c

gupnp-ui

libosip

raknet

h323plus

libosmo-abis

rb_libtorrent

haywire

libosmo-dsp

rest

htmlcxx

libosmo-netif

restbed

http-parser

libosmo-sccp

ripe-atlas-sagan

iax

libosmocore

roadrunner

ignition-transport

libosmosdr

rpc2

iojs

libotr

s2n

jdns

libpcap

serf

jreen

libpcapnav

signon-oauth2

jzmq

libpri

signon-ui

kqoauth

libprotoident

signond

lacewing

libproxy

socket++

ldns

libpsl

socket_wrapper

liba53

libpsyc

sofia-sip

libaccounts-glib

libqmi

stem

libasr

libqtelegram-ae

stfu

libasyncns

libretroshare

telegram-qt

libbitcoinconsensus

libringclient

telepathy-accounts-signon

libblkmaker

librouteros

telepathy-farstream

libbluedevil

librpcsecgss

telepathy-glib

libbtbb

librsync

telepathy-indicator

libcalendaring

libs3

telepathy-logger-qt

libcapi

libsearpc

telepathy-qt

libcidr

libsignon-glib

tox

libcrafter

libsmi

txtorcon

libcurl-debian

libsng-isdn

ubuntu-download-manager

libdingaling

libsng-ss7

ubuntu-geoip

libdmapsharing

libsoup

ubuntuone-credentials

libdom

libsoup-gnome

udns

libecap

libSquirrelFish

uhttpmock

libesmtp

libsrtp

ustream-ssl

libetpan

libssh

vanessa-mcast

libevhtp

libssh2

vanessa-socket

libeweather

libswitch

vuurmuur

libeXosip

libteletone

wandio

libflowmanager

libtelnet

webkit-gtk

libgadu

libtirpc

willuhn-hbci4java

libgcal

libtmdbqt

wslay

libgcm

libtorrent

wt

libgfbgraph

libtorrent-rasterbar

wvstreams

libgmail

libtrace

xrootd

libgrss

libturpial

zeromq

libgsasl

libupnp

zmqpp

libgsignon-glib

libupnp-castbridge

zoidcom

libgssglue

libvidcap