Project Summary
CHOUETTE is an open source software financed by the French Ministry of Transport and Sustainable Development. Its main purpose is to validate, exchange (import/export) and manage the data describing the reference data (theoretical timetables) of public transport networks, in accordance with the French standard Neptune (NFP 99506) exchange profile.
CHOUETTE has two component :
- a java web application server
- a Ruby on Rails man-machine interface
This software is particularly addressing Transport management Authorities, public transport Operators and their contractors, in order to facilitate the implementation of multimodal traveller information systems, and is also useful for businesses or researchers, who can integrate the code in their own applications.
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In a Nutshell, chouette (Ruby MMI)...
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took an estimated 6 years of effort (COCOMO model)
starting with its first commit in January, 2012
ending with its most recent commit over 9 years ago
Quick Reference
CeCILL-B Free Software License Agreement
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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
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30 Day SummaryMay 18 2026 — Jun 17 2026
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12 Month SummaryJun 17 2025 — Jun 17 2026
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