Add InspIRCd and GFDL licenses.

README.md

@@ -2,7 +2,7 @@
 
 [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)
 
-Self-hosting is the practice of locally hosting and managing applications instead of renting from [SaaSS](https://www.gnu.org/philosophy/who-does-that-server-really-serve.html) providers.
+Self-hosting is the practice of locally hosting and managing applications instead of renting from [SaaSS](:https://www.gnu.org/philosophy/who-does-that-server-really-serve.html) providers.
 
 This is a list of [Free](https://en.wikipedia.org/wiki/Free_software) Software [network services](https://en.wikipedia.org/wiki/Network_service) and network-capable applications, including [Web apps](https://en.wikipedia.org/wiki/Web_application) that can be hosted locally. Non-Free software is listed on the [Non-Free](non-free.md) page.
 
@@ -367,6 +367,7 @@ _Mailing lists servers and mass mailing software - one message to many recipient
 _[IRC](https://en.wikipedia.org/wiki/Internet_Relay_Chat) communication software_
 
 - [Convos](http://convos.by/) - Always online web IRC client. ([Demo](http://demo.convos.by), [Source Code](http://github.com/nordaaker/convos)) `Artistic-2.0` `Perl`
+- [InspIRCd](https://www.inspircd.org/) - a modular IRC server written in C++ for Linux, BSD, Windows and macOS systems. ([Source Code](https://github.com/inspircd)) `GFDL-1.2-only` `C++`
 - [Kiwi IRC](https://kiwiirc.com/) - A responsive web IRC client with theming support. ([Demo](https://kiwiirc.com/nextclient/)), ([Source Code](https://github.com/kiwiirc/kiwiirc)) `Apache-2.0` `Nodejs`
 - [Quassel IRC](http://quassel-irc.org/) - distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core. ([Source Code](https://github.com/quassel/quassel)) `GPL-2.0` `C++`
 - [Robust IRC](https://robustirc.net/) - RobustIRC is IRC without netsplits. Distributed IRC server, based on RobustSession protocol. ([Source Code](https://github.com/robustirc/robustirc)) `BSD-3-Clause` `Go`
@@ -846,6 +847,7 @@ See also <https://en.wikipedia.org/wiki/List_of_streaming_media_systems>, <https
 
 ### Multimedia Streaming
 
+- [Airsonic](https://airsonic.github.io/) - Free, web-based music streamer designed for large media libraries that can stream video and music over HTTP. With use of transcoder plug-ins, Airsonic can also be used for on-the-fly conversion and streaming of audio formats. ([Demo](https://airsonic.github.io/demo/), [Source Code](https://github.com/airsonic/airsonic)) `GPL-3.0` `Java`
 - [Darwin Streaming Server](https://macosforge.github.io/dss/) - High performance server for streaming QuickTime and MPEG-4 media over RTP and RTSP protocols. Originated as Apple’s QTSS. ([Source Code](https://github.com/macosforge/dss)) `APSL-2.0` `C++`
 - [Flumotion](http://flumotion.net/) - Streaming media server with intuitive graphical administration tools. ([Source Code](https://github.com/Flumotion/flumotion)) `LGPL-2.1` `Python`
 - [homehost](https://github.com/ridhwaans/homehost) `⚠` - Self-hosted React + Redux app that streams your media collection (music, movies, books, podcasts, comics etc). `MIT` `Nodejs`
@@ -1407,6 +1409,12 @@ See also [Documentation Generators](#documentation-generators), [Wikimatrix](htt
 - `DPL` - [Devblocks Public License 1.0](https://cerb.ai/license/)
 - `ECL-2.0` - [Educational Community License, Version 2.0 ](http://opensource.org/licenses/ECL-2.0)
 - `EPL-1.0` - [Eclipse Public License, Version 1.0](https://www.eclipse.org/legal/epl-v10.html)
+ - `GFDL-1.1-only` - [GNU Free Documentation License v1.1](https://spdx.org/licenses/GFDL-1.1-only.html)
+- `GFDL-1.1-or-later` - [GNU Free Documentation License v1.1](https://spdx.org/licenses/GFDL-1.1-or-later.html)
+- `GFDL-1.2-only` - [GNU Free Documentation License v1.2](https://spdx.org/licenses/GFDL-1.2-only.html)
+- `GFDL-1.2-or-later` - [GNU Free Documentation License v1.2](https://spdx.org/licenses/GFDL-1.2-or-later.html)
+- `GFDL-1.3-only` - [GNU Free Documentation License v1.2](https://spdx.org/licenses/GFDL-1.3-only.html)
+- `GFDL-1.3-or-later` - [GNU Free Documentation License v1.2](https://spdx.org/licenses/GFDL-1.3-or-later.html)
 - `GPL-1.0` - [GNU General Public License](https://www.gnu.org/licenses/gpl-1.0)
 - `GPL-2.0` - [GNU General Public License 2.0](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
 - `GPL-3.0-only` - [GNU General Public License v3.0 only](https://spdx.org/licenses/GPL-3.0-only.html)