Kannel

C tier on SMS Gateway SoftwareScore 6.6 · #12 of 36

Android app: Not listed
Free plan: Yes
Runs on: api, Linux, self-hosted

kannel.org

Summary

Kannel is ranked #12 of 36 in SMS gateway software on Everything Xiaomi. It runs on API, Linux, Self-hosted. There is a free plan.

Kannel plans and pricing

All plans

Kannel Free Open-source WAP and SMS gateway · self-hosted kannel.org · 7 Oct 2026

Compared on SMS gateway software

Two-way SMS: Yeskannel.org
Inbound webhooks: Yeskannel.org

Facts

Free plan: Yeskannel.org · 24 Sept 2026
Product: Kannel is an open-source WAP and SMS gateway for mobile internet connectivity, WAP Push, and SMS messaging.kannel.org · 7 Oct 2026
SMS use: It links HTTP-based services to SMS centers and provides a unified interface for sending SMS messages.kannel.org · 7 Oct 2026
WAP features: The gateway translates WAP requests to HTTP and compresses WML pages for delivery to phones.kannel.org · 7 Oct 2026
WAP Push: The user guide lists support for WAP Push SI and SL.kannel.org · 7 Oct 2026
SMS protocols: The FAQ lists support for CIMD 1.3 and 2.0, SMPP 3.4, UCP/EMI 4.0, SEMA SMS2000 OIS, and AT-protocol modems and phones.kannel.org · 7 Oct 2026
Messaging: The user guide describes support for mobile-originated and mobile-terminated SMS messages.kannel.org · 7 Oct 2026
Integration: Kannel provides an HTTP interface for administration and sending SMS, and its guide documents HTTP and SMPP SMSC connections.kannel.org · 7 Oct 2026
Security: The user guide documents SSL support for HTTP client and server communication, and SSL-enabled SMPP connections.kannel.org · 7 Oct 2026
License: The Kannel Software License permits redistribution and modification of source and binary forms subject to its stated conditions.kannel.org · 7 Oct 2026
Platform: Kannel is mainly developed on Linux and the overview says it should be fairly easy to port to other Unix-like systems.kannel.org · 7 Oct 2026
Download: The download page identifies version 1.4.5 as the stable release intended for production systems and version 1.5.0 as the development release.kannel.org · 7 Oct 2026
Support: The project directs users to its mailing lists for contact information and the developer mailing list for development discussion and patches.kannel.com · 7 Oct 2026
SMSC limits: The user guide cautions that SMSC drivers do not all support the same features and that many checklist entries are marked not tested.kannel.org · 7 Oct 2026
Project history: The project site says Wapit Ltd. founded Kannel in June 1999 and that the project is coordinated by members of the Kannel Group.kannel.com · 7 Oct 2026