Alternatives to Amazon Mechanical Turk for the Web with Open Source License

  • Crowdcrafting

    A web-based service that invites volunteers to contribute to research projects developed by citizens or professionals that need help to solve challenges that can’t be...

    Free Open Source Web

    Crowdcrafting icon
Know any alternatives we haven't listed?
We want more alternatives to Amazon Mechanical Turk. Feel free to add any alternative that you know of, or ask your friends on  Twitter or Facebook if they can help out.

Platforms

Show 1 less popular platforms