Messaging and Streaming
18 May, 2023
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Contributors
- Ably - Realtime messaging service with presence, persistence and guaranteed delivery. Free plan includes 3m messages per month, 100 peak connections and 100 peak channels.
- cloudamqp.com — RabbitMQ as a Service. Little Lemur plan: max 1 million messages/month, max 20 concurrent connections, max 100 queues, max 10,000 queued messages, multiple nodes in different AZ's
- connectycube.com - Unlimited chat messages, p2p voice & video calls, files attachments and push notifications. Free for apps up to 20K MAU.
- courier.com — Single API for push, in-app, email, chat, SMS, and other messaging channels with template management and other features. Free plan includes 10,000 messages/mo.
- HiveMQ - Connect your MQTT devices to the Cloud Native IoT Messaging Broker. Free to connect up to 100 devices (no credit card required) forever.
- knock.app – Notifications infrastructure for developers. Send to multiple channels like in-app, email, SMS, Slack, and push with a single API call. Free plan includes 10,000 messages/mo.
- pusher.com — Realtime messaging service. Free for up to 100 simultaneous connections and 200,000 messages/day
- scaledrone.com — Realtime messaging service. Free for up to 20 simultaneous connections and 100,000 events/day
- synadia.com — NATS.io as a service. Global, AWS, GCP, and Azure. Free forever with 4k msg size, 50 active connections and 5GB of data per month.
- cloudkarafka.com - Free Shared Kafka cluster, up to 5 topics, 10MB data per topic and 28 days of data retention.
- pubnub.com - Swift, Kotlin and React messaging at 1 million transactions each month. Transactions may contain multiple messages.
- eyeson API - A video communication API service based on WebRTC (SFU, MCU) to build video platforms. Allows RealTime Data Injection, Video Layouts, Recordings, a fully featured hosted web UI (quickstart) or packages for custom UIs. Has a free tier for developers with 1000 meeting minutes a month.
- Upstash Kafka - Serverless Kafka Cloud offering with per-request-pricing. It has a free tier with max 10000 messages per day.
- webpushr - Web Push Notifications - Free for upto 10k subscribers, unlimited push notifications, in-browser messaging
- Scramjet Cloud Platform Beta - An end-to-end stream processing platform in free beta and offering 15 petabyte-seconds of free compute after the beta ends.