diff --git a/README.md b/README.md
index fc4bac6..d24c70b 100644
--- a/README.md
+++ b/README.md
@@ -546,7 +546,7 @@
 
 #### City Building Simulation
 - [Dwarf Fortress](http://www.bay12games.com/dwarves/) - A famously complex simulation of a High Fantasy Dwarf Fortress, fight goblins, and slay massive legendary beasts. Strike the earth!
-- [![Open-Source Software][OSS Icon]](https://svn.openttd.org/trunk/) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
+- [![Open-Source Software][OSS Icon]](https://github.com/OpenTTD/OpenTTD) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
 - [![Open-Source Software][OSS Icon]](https://github.com/aburch/simutrans) [Simutrans](https://www.simutrans.com) - Simutrans is a freeware and open-source transportation simulator.
 - [![Open-Source Software][OSS Icon]](https://github.com/unknown-horizons/unknown-horizons) [Unknown Horizons](http://unknown-horizons.org/) - A 2D realtime strategy simulation with an emphasis on economy and city building. Multiplayer currently broken.
 
diff --git a/README_es-ES.md b/README_es-ES.md
index 5811712..4016b5b 100644
--- a/README_es-ES.md
+++ b/README_es-ES.md
@@ -448,7 +448,7 @@ La versión de la comunidad es un software de código abierto.
 
 #### Videojuego de construcción de ciudades
 - [Dwarf Fortress](http://www.bay12games.com/dwarves/) - Una famosa simulación compleja de una Fortaleza Enana de Alta Fantasía, lucha contra los duendes y mata bestias legendarias masivas. ¡Golpea la tierra!
-- [![Open-Source Software][OSS Icon]](https://svn.openttd.org/trunk/) [OpenTTD](hptts://www.openttd.org) - Un clon de código abierto de "Transport Tycoon Plus" con muchas mejoras que el original.
+- [![Open-Source Software][OSS Icon]](https://github.com/OpenTTD/OpenTTD) [OpenTTD](hptts://www.openttd.org) - Un clon de código abierto de "Transport Tycoon Plus" con muchas mejoras que el original.
 - [![Open-Source Software][OSS Icon]](https://github.com/aburch/simutrans) [Simutrans](https://www.simutrans.com) - Simutrans es un simulador de transporte de código abierto.
 - [![Open-Source Software][OSS Icon]](https://github.com/unknown-horizons/unknown-horizons) [Unknown Horizons](http://unknown-horizons.org/) - Es un juego 2D estrategia en tiempo real, donde se construye una ciudad y economía.
 
diff --git a/README_fr-FR.md b/README_fr-FR.md
index b1d4041..9b9acfc 100644
--- a/README_fr-FR.md
+++ b/README_fr-FR.md
@@ -456,7 +456,7 @@
 
 #### City Building Simulation
 - [Dwarf Fortress](http://www.bay12games.com/dwarves/) - A famously complex simulation of a High Fantasy Dwarf Fortress, fight goblins, and slay massive legendary beasts. Strike the earth!
-- [![Open-Source Software][OSS Icon]](https://svn.openttd.org/trunk/) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
+- [![Open-Source Software][OSS Icon]](https://github.com/OpenTTD/OpenTTD) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
 - [![Open-Source Software][OSS Icon]](https://github.com/aburch/simutrans) [Simutrans](https://www.simutrans.com) - Simutrans is a freeware and open-source transportation simulator.
 - [![Open-Source Software][OSS Icon]](https://github.com/unknown-horizons/unknown-horizons) [Unknown Horizons](http://unknown-horizons.org/) - A 2D realtime strategy simulation with an emphasis on economy and city building. Multiplayer currently broken.
 
diff --git a/README_pt-BR.md b/README_pt-BR.md
index fa6b44d..e3b321a 100644
--- a/README_pt-BR.md
+++ b/README_pt-BR.md
@@ -407,7 +407,7 @@ Ele foi projetado principalmente para ajudar a recuperar partições perdidas e/
 
 #### Simulador de Construção de Cidades
 - [Dwarf Fortress](http://www.bay12games.com/dwarves/) - A famously complex simulation of a High Fantasy Dwarf Fortress, fight goblins, and slay massive legendary beasts. Strike the earth!
-- [![Open-Source Software][OSS Icon]](https://svn.openttd.org/trunk/) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
+- [![Open-Source Software][OSS Icon]](https://github.com/OpenTTD/OpenTTD) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
 - [![Open-Source Software][OSS Icon]](https://github.com/aburch/simutrans) [Simutrans](https://www.simutrans.com) - Simutrans is a freeware and open-source transportation simulator.
 - [![Open-Source Software][OSS Icon]](https://github.com/unknown-horizons/unknown-horizons) [Unknown Horizons](http://unknown-horizons.org/) - A 2D realtime strategy simulation with an emphasis on economy and city building. Multiplayer currently broken.
 
diff --git a/README_th-TH.md b/README_th-TH.md
index caa8b71..8d242b4 100644
--- a/README_th-TH.md
+++ b/README_th-TH.md
@@ -450,7 +450,7 @@
 
 #### City Building Simulation
 - [Dwarf Fortress](http://www.bay12games.com/dwarves/) - A famously complex simulation of a High Fantasy Dwarf Fortress, fight goblins, and slay massive legendary beasts. Strike the earth!
-- [![Open-Source Software][OSS Icon]](https://svn.openttd.org/trunk/) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
+- [![Open-Source Software][OSS Icon]](https://github.com/OpenTTD/OpenTTD) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
 - [![Open-Source Software][OSS Icon]](https://github.com/aburch/simutrans) [Simutrans](https://www.simutrans.com) - Simutrans is a freeware and open-source transportation simulator.
 - [![Open-Source Software][OSS Icon]](https://github.com/unknown-horizons/unknown-horizons) [Unknown Horizons](http://unknown-horizons.org/) - A 2D realtime strategy simulation with an emphasis on economy and city building. Multiplayer currently broken.
 
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 9eb400f..58a8593 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -298,7 +298,7 @@
 
 #### City Building Simulation
 - [Dwarf Fortress](http://www.bay12games.com/dwarves/) - A famously complex simulation of a High Fantasy Dwarf Fortress, fight goblins, and slay massive legendary beasts. Strike the earth!
-- [![Open-Source Software][OSS Icon]](https://svn.openttd.org/trunk/) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
+- [![Open-Source Software][OSS Icon]](https://github.com/OpenTTD/OpenTTD) [OpenTTD](https://www.openttd.org/) - An open-source clone of Transport Tycoon Plus with major improvements.
 - [![Open-Source Software][OSS Icon]](https://github.com/aburch/simutrans) [Simutrans](https://www.simutrans.com/en/) - Simutrans 是一个免费而且开源的运输模拟器。
 - [![Open-Source Software][OSS Icon]](https://github.com/unknown-horizons/unknown-horizons) [Unknown Horizons](http://unknown-horizons.org/) - A 2D realtime strategy simulation with an emphasis on economy and city building. Multiplayer currently broken.