| Aplinkos projektų valdymo informacinė sistema (APVIS) | SYS-F1958F1943 | Manages environmental-project funding and administration processes. | operates and procures development/support; the award says APVIS is already installed and used | UAB Dizaino kryptis — development and support supplier under a EUR 500,000 offer-value contract | Official APVA system link · CVP IS contract-award notice | high |
| Statybos sutarčių įvykdymo priežiūros informacinė sistema (APVA SSĮP) | SYS-5076CF2712 | Supervises performance of construction contracts administered by APVA. | operates | Not publicly identified | Official APVA system catalogue | high |
| Aplinkos projektų monitoringo informacinė sistema (GIS APVA) | SYS-E757321CD7 | Maps and monitors environmental projects. | operates | Not publicly identified | Official APVA system catalogue | high |
| EU Union Registry | SYS-A60B12DB8F | Supports Lithuania's greenhouse-gas allowance registry work. | uses | European Commission — platform operator; institution-specific implementation/support not publicly identified | APVA greenhouse-gas registry page | high |
| Centrally provided government IT services | SYS-3E8436A771 | Consolidated infrastructure, platform, software and workplace-support services for approved institutions. | depends on; exact selected service classes are not public | Valstybės skaitmeninių sprendimų agentūra — centralized service provider; commercial subcontractors not publicly identified | VSSA recipient and contracting process | high |