To get access to smart-card based eID cards in the SkIDentity-System there is an eID-client in accordance with the technical guideline TR-03124 of the Federal Office for Information Security (BSI) required.

Currently there are particularly the following free available eID-clients:


- for Windows, OS X, Android, iOS
- supports German eID
- Open Source (EUPL)
- BSI certificated (BSI-K-TR-0264-2016)    

Open eCard App

- for Windows, OS X, Linux, Android
- supports German eID, Health Professional Card and various other eID cards 
- Open Source (GPL v3) or commercial License
- BSI certificated (BSI-K-TR-0192-2015


Additionally there are a number of further more open source projects in the environment of eID cards, e.g. androsmex, eID Client Core, nPA Smart Card Library, Open eID Fraunhofer, OpenPACE, PersoApp and last but not least PersoSim.