This is the development repository of multiple projects by members of the OpenTTD Community as well as friends of #openttdcoop, please refer to the separate project pages for further details.

Unless stated differently, all projects here are licensed under GPL-2.0+.
Projects generally must have a free license. See our policy here .


public IRC channel: #openttdcoop.devzone (Webchat)

Instructions for getting started with development, getting used to tools and DevZone interfaces, see the DevZone wiki


Latest news

NewGRF Meta Language: NML 0.4.1 released
Maintenance release which (hopefully) makes packaging possible again
Added by planetmaker about 1 month ago

OpenGFX: OpenGFX 0.5.2
Maintenance release with additional spirtes to support OpenTTD 1.5.0
Added by planetmaker about 1 month ago

DevZone Help Center: Activation of retention policy
Added by Spike 3 months ago

NewGRF Meta Language: NML 0.4.0 released
NML 0.4.0 is released. It requires python3.2+ now and offers improved NewGRF support and gains much speed by using caching for sprite encodings
Added by planetmaker 3 months ago

DevZone Help Center: Build retention policy
Number of available builds for nightlies and build-on-push are limited
Added by planetmaker 5 months ago

View all news

Latest projects

  • Preindustrial era houses (2015-05-16 12:16)

    Simply newgrf to allow coal delivery to towns instead of power plants. Power plants are not available before 1883.

  • TARS Lodges (2015-05-03 18:28)

    A collection of alpine mountain lodges as NewObjects.

  • TARS Landscapes (2015-05-03 18:28)

    A collection of alpine landscape-theme NewObjects.

  • TARS Pistes (2015-05-03 18:26)

    A collection of skiing-theme NewObjects

  • TARS Mountain Lifts (2015-05-03 15:19)

    A collection of Mountain Lifts.