Gammu SMSD vs Kannel
| Gammu SMSD | Kannel | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Linux, self-hosted, Windows | api, Linux, self-hosted |
| Free plan | Yes | — |
| Two-way messaging | Yes | — |
| Delivery reports | Yes | — |
| Inbound SMS | Yes | — |
| API access | Yes | — |
Both are listed in Best SMS Gateway Software. On Everything Xiaomi, Kannel scores higher on our published basis.