Moodle - the world's open source learning platform

Search for Natural and Non-Natural Person data based on the A.F.M.

The Greek government public sites search engine.

Search for identity cards of Greek citizens based on a Number ID Card

A plugin for docusaurus that provides a terminology functionality on the website, along with an automatic generation of a Glossary of all terms. https://devs.pages.grnet.gr/docusaurus-terminology/

infrastructure for Anaplirotes project

Client to connect EMEP service, useful for use with nextjs/nodejs projects.

Systems Integration Solutions is offering a military grade solution, being one of the First in the EU to be fully conformant with EBSI, W3C and the First to offer Self-Issued OpenID v2.

The CorpoSign DID, SSI solutions advantage lies in the streamlined process of simultaneous login, authentication, and KYC (know your customer) using trust anchor’s power of attorney verifiable credentials.


This innovative solution enables CorpoSign users to share any type of data (document) and control how their data is used, processed, and collected. CorpoSign’s decentralised identity makes it a self-sovereign, privacy-preserving, and user-friendly software that anyone can use and benefit from.

CorpoSign DID is a decentralised identity framework that uses blockchain and cryptographic technology to easily identify and connect people with government, businesses, data, and services. It is fully compliant with EBSI and W3C interoperability standards for decentralised identifiers and verifiable credentials.

Users are regaining ownership of their data and identities thanks to CorpoSign DID's decentralized, self-sovereign, privacy-preserving, and user-friendly nature.

System Integration Solutions Introduces CorpoSign, an Innovative Decentralised Identity Wallet.

Systems Integration Solutions LLC is a Lithuania-based company specializing in innovative technical solutions in information technology. SIS is working with the EBSI blockchain infrastructure to create EIF, European Identification Framework.

European Self-Sovereign Identity Framework (ESSIF) was meant to enable people to control digital identities and securely authenticate to government and corporate websites; the possibility of issuing digital diplomas would significantly reduce the costs of verification; automated notarisation could improve data integrity by integrating digital audit trails, and more.

Systems Integration Solutions, UAB, an SSI and EBSI expert, as well as the leading Lithuanian information technology company was tasked with creating a comprehensive solution that would encompass the aforementioned use cases and blockchain benefits, and thus CorpoSign DID was born.

System Integration Solutions set out to create a special SSI solution in the field of e-Government that would empower government organisations and corporations residing in the cross-border logistics ecosystem to authorise their representatives in order to perform appropriate actions on behalf of the organisation using an ecosystem-specific scheme.