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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

OpenGFX: Source repository moved
The source code of OpenGFX moved
Added by planetmaker 6 months ago

NewGRF Meta Language: NML repo moved to GitHub
NML repo is now on GitHub https://github.com/OpenTTD/nml
Added by andythenorth 9 months ago

NewGRF Meta Language: NML 0.4.2 released
NML 0.4.2 is released and contains next to the support for more than 64 industries and important fix which ensures reproducable compilation by enforcing reproducable sorting of language strings
Added by planetmaker about 4 years ago

NewGRF Meta Language: NML 0.4.1 released
Maintenance release which (hopefully) makes packaging possible again
Added by planetmaker over 4 years ago

OpenGFX: OpenGFX 0.5.2
Maintenance release with additional spirtes to support OpenTTD 1.5.0
Added by planetmaker over 4 years ago

View all news

Latest projects

  • EoT (2019-03-30 23:31)

    End of Track - bumpers as objects

  • Polar Fox (2018-03-03 14:36)
  • V4 Train Set (2018-02-06 13:08)

    Train set based on 2cct fork and focused mainly on railways from Visegrad Group region and other Central and East European countries.

  • PART Assembled Road Trains (2017-12-18 19:37)

    sqrt of NUTS

  • FixEs (2017-11-03 10:17)

    Cargo payment and station rating fixtures for FIRS,
    additional small industries.