Project Summary
Catrobat is a mobile visual programming system. Catroid and Catty are IDEs and Catrobat interpreters for Android and iOS. Paintroid is an associated paint program for Android that, among others, allows setting parts of images to transparent. There are many subprojects, e.g., allowing to control Arduino and Raspberry Pi boards, or to program Lego Mindstorms robots or an embroidery machine. We use Test-Driven Development along with other agile methods such as Kanban, ensuring a clear and 100% up-to-date documentation.
In a Nutshell, Catrobat...
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has a well established, mature codebase
maintained by a very large development team
with decreasing Y-O-Y commits -
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took an estimated 789 years of effort (COCOMO model)
starting with its first commit in July, 2010
ending with its most recent commit 3 days ago
Creative Commons Attribution-ShareAlike 4.0 International License
Permitted
Forbidden
Required
These details are provided for information only. No information here is legal advice and should not be used as such.
GNU Affero General Public License v3.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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use of OSS increased in 65% of companies in 2016
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30 Day SummaryAug 31 2025 — Sep 30 2025
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12 Month SummarySep 30 2024 — Sep 30 2025
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