Diafaan SMS Server vs Kannel
| Diafaan SMS Server | Kannel | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Android, api, self-hosted, Web, Windows | api, Linux, self-hosted |
| Free plan | No | — |
| Two-way messaging | Yes | — |
| Delivery reports | Yes | — |
| Inbound SMS | Yes | — |
| Contact management | Yes | — |
| API access | Yes | — |
| Included user seats | 1 | — |
Both are listed in Best SMS Gateway Software. On Freedom251, Kannel scores higher on our published basis.