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

Advanced Real-Time Instrument Control (ARTIC)

Artic is a research framework for developing low level data pipeline components using shared-memory interfaces. Currently used to define Adaptive Optics real-time ...

Updated on: 17/06/2026
Created on: 17/06/2026
Version Control System: git
Owner: ESA
Integrated (Web-based) Digital Engineering Framework (IDEF) - Ground and Space Segment Engineering Framework version 3 (GSEFv-3)

As a reimplementation of the second version of the Ground Segment Engineering Framework (GSEF-v2), the Ground and Space Segment Engineering Framework (GSEF-v3) is a...

Updated on: 17/06/2026
Created on: 17/06/2026
Version Control System: git
Owner: Obeo (https://www.obeosoft.com)
ESA XR Plugin

                    Register using an email address associated with an EU-affiliated organization to access ESSR. Your registration will be approved as...

Updated on: 01/05/2026
Created on: 23/02/2026
Owner: ESA
Tags: XR
IMAL+

IMAL+ is the base-band simulation tool for non-linear RF chains. The structure of the chain to be simulated is made of modules, linear or non-linear, either placed ...

Licenses: IMAL+ V1.8
Updated on: 09/02/2026
Created on: 27/01/2026
Space HPC repository

For the Space HPC project, we need somewhere to host some tutorials pieces of reproducible code specific developper-oriented materials The Space HPC is used ...

Updated on: 27/01/2026
Created on: 27/01/2026
Version Control System: git
Owner: ESA
Tags: HPC
Vibrospec v.2.1

The VibroSpec Tool can be used for predicting a preliminary design random vibration environment for a large variety (in terms of mass, size, location and stiffness)...

Updated on: 15/01/2026
Created on: 10/12/2025
PAS3

A more digestible SPICE simulation backend for system simulator scripts for (inter)planetary missions. PAS3 aims to be a user-friendly and object-oriented interface...

Updated on: 02/12/2025
Created on: 02/12/2025
Version Control System: git
Owner: ESA
Advanced Data Handling Architecture (ADHA)

The Advanced Data Handling Architecture (ADHA) is a European on-board data handling (OBDH) end-to-end architecture based on standardized and inter-operable electron...

Updated on: 23/04/2026
Created on: 03/09/2025
A Space Mission MBSE Reference Model (MIMOREF)

A Space Mission MBSE Reference Model (MIMOREF) provides an elaborated MBSE model example for a real mission using the ESA SysML Solution that is extended by additi...

Updated on: 10/09/2025
Created on: 01/09/2025
Version Control System: git
Owner: ESA
ECSS SMP Level 1 and Level 2

The ECSS SMP Level 1 and Level 2 artefacts delivered as part of the ECSS-E-ST-40-07C and ECSS-E-ST-40-08C standards

Updated on: 28/04/2025
Created on: 28/04/2025
Version Control System: git
Owner: ESA