| Lithuanian Integrated Library Information System (LIBIS) | SYS-AC21F4F905 | Shared national library system supporting catalogue, reader and library-service workflows. | Uses and depends on LIBIS as an explicitly named participant. | Not publicly identified in the reviewed evidence for institution-specific implementation, hosting or support. | Official activity areas naming LIBIS participation | high |
| iBiblioteka portal | SYS-B2A1B1E00D | Shared reader portal for registration, reader cards, ordering, reservations and digital publications using LIBIS credentials. | Uses and depends on the portal for reader-facing services. | Not publicly identified in the reviewed evidence for institution-specific implementation, hosting or support. | Official library iBiblioteka service page | high |
| Licensed electronic databases | SYS-851935ABA7 | External research and information services, including Infolex and subscription content, made available to library users. | Procures, provides or depends on access; the page does not allocate every subscription between the library and consortium arrangements. | Individual named database operators provide their products; procurement, authentication and support allocation are not publicly identified. | Official Duomenų bazės catalogue | high |
| Consolidated state IT services | SYS-3E8436A771 | Central-government infrastructure and workplace IT services supplied to institutions admitted to the IT-consolidation programme. | Depends on the programme as an institution in the authoritative recipient registry; workload-level placement is not public. | Valstybės skaitmeninių sprendimų agentūra — public-sector centralized service provider; commercial subcontractors are not publicly identified. | VSSA eligibility and service-contract process | high |