No. 15 of 38 ·Message Broker Software

Aedes

Self-hosted · API

Freedom report

Two barsScore 6.3

Aedes is ranked #15 of 38 in message broker software on Freedom251. It runs on API, Self-hosted. There is a free plan.

Aedes plans and pricing

Aedes Free MIT-licensed open-source MQTT broker github.com · 4 Oct 2026

Deployment model: self_hosted
Delivery guarantees: configurable
Supported protocols: MQTT 3.1; MQTT 3.1.1; TCP; TLS; WebSocket; Bridge Protocol

Purpose: Aedes is a barebone MQTT broker that can run on any stream server.
Protocol support: It is compatible with MQTT 3.1 and 3.1.1.
Connections: It supports standard TCP, SSL/TLS, and WebSocket connections.
Messaging features: Listed features include message persistence, automatic reconnect, offline buffering, and a backpressure-support API.
Availability: The project lists high availability and clustering among its features.
Authentication: Aedes lists authentication and authorization support.
Middleware: The broker supports pluggable middleware and dynamic topics.
MQTT 5.0 limitation: The README says MQTT 5.0 is not supported yet.
Cluster requirements: Clustering requires on-disk databases such as MongoDB and Redis; the README recommends MongoDB persistence with the Redis emitter based on its tests and user reports.
Persistence integrations: Listed persistence plugins include in-memory, MongoDB, Redis, SQLite, LevelDB, and NeDB options.
Security notice: A message is considered valid after it passes the authorizePublish callback, even if that client's permissions are revoked afterward.
Vulnerability reporting: The security policy directs vulnerability reports to the repository's GitHub security page.
Support: For production bugs or leaks, the maintainers invite pull requests or contact for paid support.
License: Aedes is licensed under the MIT License.
Price from: Free

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.