- e-dbhash — Simple DB-based hash table for strings
- EOfflineListener — Tracks Evolution's online/offline state
- EBookBackendSqliteDB — An SQLite storage facility for addressbooks
- EBookBackendSummary — A utility for storing contact data and searching for contacts
- EBookBackendCache — A utility for storing contact data and searching for contacts
- e-book-backend-db-cache — A Berkeley DB cache facility for addressbooks