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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 .

CC-GNU GPL

public IRC channel: #openttdcoop.devzone (Webchat)

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

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Latest news

DevZone Help Center: Activation of retention policy
Added by Spike 27 days 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 about 1 month ago

DevZone Help Center: Build retention policy
Number of available builds for nightlies and build-on-push are limited
Added by planetmaker 2 months ago

DevZone Help Center: DevZone: Location of build results
Build results from the compile farm (CF) are found on the bundles server
Added by planetmaker 4 months ago

NewGRF Meta Language: NML now using python 3.2+
NML nightlies leading towards NML 0.4.0 require now python 3.2 or newer
Added by planetmaker 10 months ago

View all news

Latest projects

  • Animal Kingdom (2015-03-18 17:09)

    Unicorns go "moo".

  • NewGRF Specs History (2015-03-08 19:25)

    History of NewGRF specs:
    This is to help out about the Whys? and WTFs? on decisions in the past.

    The history is divided into these parts:
    • Till TTDPatch 2.0.1 alpha 57: The specs were a text file within the TTDPatch source. This repository is a reconstruction/recovery of that file from the ashes of TTDPatch....
  • Head to Head (2015-03-08 19:10)

    Head to head competition

  • OpenGFX+ Trains 32bpp (2015-03-03 17:21)

    OpenGFX+ Trains in 32bpp

  • DOOM Obscenely Oversized Machinery (2015-02-27 19:57)

    The vehicles which are HUGE, bend like MAD, and yes. 32bpp rendered pixels. Gameplay convenience even better than NUTS, simpler to play yet fun. Ultimate Wagon included.