LMDB vs redb
| LMDB | redb | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux, macOS, self-hosted, Web, Windows | — |
| Free plan | Yes | Yes |
| Supported platforms | Windows and POSIX-compatible systems, including Linux and macOS | Rust crate; no_std targets with atomic compare-and-swap, including Cortex-M3 and above but excluding Cortex-M0 |
| Database model | key-value | key-value |
| Query interface | nosql | api |
| Encryption | Yes | — |
| Data synchronization | No | — |
Both are listed in Best Embedded Databases. On The Geeks Club, LMDB scores higher on our published basis.