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

ODI (Open Data Interface ) Server

The Open Data Interface (ODI) provides a common backend and database system for space environment data processing systems at ESA. It provides a generic/common inter...

Updated on: 06/04/2022
Created on: 26/04/2019
DataModel Editor / DME

The DME provides a conceptual data modelling solution which was originally developed by ScopeSET GmbH for EGS-CC but has since then been used in other ESA activitie...

Updated on: 15/09/2022
Created on: 26/04/2019
Owner: ESA
GRAS (Geant4 Radiation Analysis for Space)

GRAS is a Geant4-based tool enabling common radiation analyses types (TID, TNID, fluence, SEE, path length, charge deposit, dose equivalent, equivalent dose, radiat...

Updated on: 26/04/2024
Created on: 02/04/2019
OPEN Preparation Environment

The OPEN Preparation Environment (OPEN) is a software framework supporting the preparation of tailoring data for European Ground Systems Common Core (EGS-CC) based ...

Updated on: 11/03/2020
Created on: 08/02/2019
COMPASS

COMPASS (COrrectness, Modeling and Performance of AeroSpace Systems) is a toolset aiming to ensure system-level correctness, safety, dependability and performabili...

Updated on: 14/04/2019
Created on: 13/09/2018
Owner: RWTH Aachen University (Germany) and Fondazione Bruno Kessler (Italy)
mobiPV - a mobile procedure viewer

mobiPV is a modular network enabled application for an operator / technician to use as an interactive electronic technical manual (IETM) browser, consisting of one ...

Updated on: 09/11/2018
Created on: 13/09/2018
Owner: ESA
MTAPI for LEON multicore

The Multicore Association’s Multicore Task Management API (MTAPI ®) provides functionality for task based programming on embedded systems. This includes spawning...

Updated on: 15/09/2023
Created on: 09/08/2018
NeQuickG (Galileo ionospheric correction model)

The algorithm proposed for Galileo single-frequency receivers to correct for ionospheric delays is based on an adaptation of the three-dimensional NeQuick electron ...

Updated on: 08/12/2019
Created on: 22/06/2018
MLFS - Mathematical Library for Flight Software

NOTE: As of December 2022, MLFS has been superseeded by the mathematical library for critical system (LibmCS) that features a complete ISO C math.h complaint librar...

Updated on: 07/10/2024
Created on: 12/06/2018
Science Operations Configuration Control Infrastructure (SOCCI)

As part of the Science Operations Department at ESA’s European Space Astronomy Center (ESAC) the Science Cross-Mission Support Office has developed the Science ...

Updated on: 08/12/2019
Created on: 04/06/2018