The European Space Software Repository (ESSR) is an ESA informational web portal created to promote reuse of Software - including Open Source Software (OSS) - and to provide all parties involved in the European Space software development (in particular SMEs) with access to results of previous investments.
Please click here to register and get full access to the ESSR.
Only a limited number of projects is visible to the non-registered users.
Registration is available for everyone residing in an ESA member state.

available projects

AI-powered Digital Assistant (AIDA)

The AI-powered Digital Assistant (AIDA) was developed under ESA TDE activity 1000033025 to explore use cases and technologies able to assist systems engineers. AIDA...

Updated on: 19/04/2024
Created on: 21/08/2023
CCSDS Wireshark Dissector

This project is a Wireshark plugin to dissect CCSDS protocol frames/packets.  Wireshark is a protocol analyser used for network troubleshooting, analysis, softwa...

Updated on: 15/03/2024
Created on: 30/06/2023
Independent Software Verification and Validation Handbook

This project is used to distribute the new ISVV Handbook to the industry. It also contains relevant supporting documentation for ISVV activities.  Independent Sof...

Updated on: 25/03/2024
Created on: 09/01/2023
LibmCS - Mathematical library for critical systems

LibmCS Mathematical Library and Qualification Data Package Mathematical libraries are used in nearly any Flight Software and in particular in the AOCS/GNC and scie...

Updated on: 09/12/2022
Created on: 05/12/2022
Version Control System: git
Owner: GTD
RayNer – OptiX based raytracer to determine blackbody viewfactors

RayNer is a prototype software implementation to calculate radiation view factors of spacecraft. It utilizes NVIDIA's OptiX framework to take advantage of the ray t...

Updated on: 15/02/2023
Created on: 28/10/2022
HemiCube – Black body view factor calculation via radiosity based on the hemicube/paraboloid approach

HemiCube is a demonstrator software to calculate black body view factors inside a spacecraft based on the HemiCube (and optionally, the Paraboloid) approach utilizi...

Updated on: 15/02/2023
Created on: 28/10/2022
WhiteDwarf 2.0

Description Source codes of cross-validated implementations of several CCSDS compressors standards: - 121.0-B-3 compressor & decompressor. - 122.0-B-2 compre...

Updated on: 15/09/2023
Created on: 23/09/2022
Version Control System: git
Owner: ESA
SHIELDOSE-2Q software library for calculating ionising dose in simple geometries from particle flux spectra.

SHIELDOSE is a computer code originally developed in the 1980s for the calculation of absorbed dose as a function of depth in simplified shielding geometries. Since...

Updated on: 14/03/2022
Created on: 14/03/2022
ESA SysML Solution

ESA solution for performing MBSE in projects in accordance with ECSS and current systems engineering practices at the Agency. It includes a conceptual description o...

Updated on: 19/04/2024
Created on: 25/02/2022
ISO15390 Galactic Cosmic Ray Model FORTRAN implementation

The GCR ISO15390 model [1] is based on the semi-empirical GCR models of the Moscow State University (MSU) and is documented in . All formulas and parameters needed ...

Updated on: 24/02/2022
Created on: 22/02/2022
Version Control System: svn
Owner: ESA