Ably

Feature Set: Users have found Ably's feature set to be exceptional, allowing them to focus on building solutions rather than reinventing the real-time wheel. Several reviewers mentioned this as a standout quality of Ably.

Message Retention: The ability of Ably's message retention feature to solve a dealbreaker for users has been highly appreciated. They were impressed by how quickly and easily the problem was resolved with just a few lines of code.

Customer Support: Ably's customer support has received consistent praise from users. Reviewers describe the support team as quick to respond, knowledgeable, and not afraid to provide technical answers. Multiple users have mentioned that the support team truly understands the system they are supporting.