| 27 | | ||Federated system engine ||Licencing || Platform|| Source selection|| cache||source|| |
| 28 | | ||FedX || GNU Affero General Public License|| Java|| Ask|| Yes||available|| |
| 29 | | ||SPLENDID|| GNU Lesser GPL|| Java|| Ask+statistics|| No||available|| |
| 30 | | ||ADERIS || Apache License 2.0|| Java|| predicate || No||available|| |
| 31 | | ||ANAPSID || GNU Lesser GPL|| Python|| predicate || No||available|| |
| | 27 | ||Federated system engine ||Licencing || Platform|| cache||source||pre-computing||Source selection|| |
| | 28 | ||FedX || GNU Affero General Public License|| Java|| Yes||available||No||"ask"|| |
| | 29 | ||SPLENDID|| GNU Lesser GPL|| Java|| No||available||Yes||"ask"+statistics|| |
| | 30 | ||ADERIS || Apache License 2.0|| Java|| No||available||No|| predicate || |
| | 31 | ||ANAPSID || GNU Lesser GPL|| Python|| No||available||Yes|| predicate || |
