International Catrobat Association logo
GSoCProgramming languagesAccepted in 2026

International Catrobat Association

Free visual coding apps for computational thinking

96
Projects
11
Years accepted
12
In 2026

Projects by year

96

2026

12 acceptedShow
  • Pocket Paint Flutter - Backward Compatibility with the Old Android App

    Accepted project · by Amit Matth

    This project aims to complete the transition of Pocket Paint (Paintroid) to Flutter by ensuring compatibility with legacy Kotlin/Java-based .catrobat...

  • SeaSee’r: Immersive ROV Mapping

    Accepted project · by Cott3r

    This project develops an open-source system to visualize and explore complex data from underwater ROVs, integrating panoramas, sonar, and point...

  • Extension of Sandbox Toolkit for simplifying the Development of Marine based AR Modules

    Accepted project · by Gunjan Vishwakarma

    This project aims to extend the existing Marine AR Module Builder into a more accessible, scalable, and educator-friendly toolkit for creating...

  • AI-Driven Dynamic Procedural Map Generation System

    Accepted project · by Harin Karru

    mARine currently lacks a dynamic, reproducible environment system. This project builds a seed-based procedural generation pipeline that creates...

  • Pin projects to the Android launcher (“Play as app” shortcuts)

    Accepted project · by Harsh somankar

    Currently, Catrobat users have to return to the Catroid IDE every time they want to play their projects, which breaks the experience and makes their...

  • AI Mentor for PocketCode Students

    Accepted project · by Muhammad Haris Sabil Al Karim

    This project takes the AI Tutor SDK further by fully integrating it into PocketCode, converting its block-based programs into AI-readable context,...

  • Multiplayer, IoT, and Home Assistant support via two MQTT bricks

    Accepted project · by Paras_77

    Pocket Code currently lacks a scalable way for projects to communicate beyond a single device, which limits its ability to support real-time...

  • Upgradation of AR-Based Interactive and Procedural Marine Ecosystem Simulation

    Accepted project · by Prabhakar Joshi

    This project upgrades the AR-based Marine Ecosystem Simulation by improving its realism, scalability, and performance on mobile devices. The current...

  • Gemini-Powered Ecosystem Narration and Analysis Interface

    Accepted project · by Rohan_Sharma_

    It is an AI layer that sits on top of a Unity marine ecosystem simulation and translates live simulation data into plain English narration, causal...

  • Skeleton Based Procedural Animation System for Marine Organisms

    Accepted project · by Shivansh Pachnanda

    This project addresses the challenge of bringing 3D-generated marine organisms to life through scalable and automated animation. While recent...

  • Sentiment Analysis of Cephalopods

    Accepted project · by siddharth_raj

    Cephalopods display complex behavioral states such as stress, curiosity, aggression, and comfort, but interpreting these states currently depends on...

  • Pocket Paint Flutter: antialiasing and smoothing (advanced options)

    Accepted project · by Varun Kushwah

    Pocket Paint is a drawing app currently being rewritten in Flutter. The original Android app includes advanced options like antialiasing and stroke...

2025

7 acceptedShow
  • Paintroid Flutter – A Cross-Platform Revival of the Paintroid Experience

    Accepted project · by Amit Matth

    This project aims to convert the Paintroid Kotlin app into a Flutter app, keeping all its features while improving performance and usability. The...

  • Mobile Application for Marine Biology AR Learning

    Accepted project · by Ashwani Kumar Moudgil

    Proposing an immersive augmented reality application that transforms marine biology education through interactive experiences where users can embody...

  • Awesome Demo Game Project on Marine Biology

    Accepted project · by Daniel Kalysch

    The marine environment is in demand of marine protection, especially in the era of climate change. This protection can only occur when people are...

  • AI-Generated 3D Models from Marine Animals

    Accepted project · by Dhruvanshu Joshi

    This project aims to create AI-powered 3D models of marine species for educational use. By converting text descriptions into 2D images and then...

  • Implementing cursor, pipette & fill-tool

    Accepted project · by haske

    My idea is as following: - Getting to know the project and the architecture - Start with cursor tool, as this one is the simplest (TDD) - Next I...

  • AI Tutor for Pocket Code Students

    Accepted project · by Muhammad Haris Sabil Al Karim

    This project aims to develop a Kotlin Multiplatform (KMP) library that acts as an AI Tutor facilitator within the Catrobat ecosystem. Instead of...

  • AR-Based Interactive Marine Ecosystem Simulation

    Accepted project · by Prabhakar Joshi

    My project aims to develop an immersive Augmented Reality (AR) Marine Ecosystem Simulation that will serve as an interactive educational tool within...

2024

8 acceptedShow

2023

7 acceptedShow

2022

11 acceptedShow

2021

13 acceptedShow

2020

12 acceptedShow

2019

9 acceptedShow

2018

5 acceptedShow

2017

5 acceptedShow

2016

7 acceptedShow

Public proposals

2

Read them for structure, not to copy. All proposals for International Catrobat Association.