We open sourced our social website (built with Play) and mobile apps

In plain words

Beansight is an open-source social prediction platform where users create forecasts about future events and vote on predictions made by others. The system aggregates votes to calculate probability percentages for each event. Built with Play framework, it includes standard social features like user profiles, followers, comments, and moderation tools, along with mobile apps and an API. The project is designed for anyone interested in collaborative forecasting and prediction markets.

written from the facts on this page · September 2026

From the sources

Labs

Four years ago, I started working on Beansight with Cyril , Guillaume and Jean-Baptiste , a project that became a long adventure. The website (that we host at www.beansight.com ) and associated mobile apps allow users to create predictions and vote on other’s predictions. Computation is done to extract from all votes a percentage of probability for a given event. The website features all mechanisms of a social website : registration, login, user profiles, followers / following, content creation, comments, moderation tools, administration dashboard, API, i18n. All our code and design are now available under the open source Apache licence . That means anyone is free to use it to run a similar…from labs.steren.fr

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