Compare 27 free messaging tools, free tiers, and developer deals. Verified pricing for CloudAMQP, Cloudflare Queues, QStash, Pusher, Ably and more.
What this name holds: Queues, pub/sub, webhooks and notification delivery between services, not between people.
5 other names here answer “how do people working together talk and track work”, and each holds a different list: Communication (18), Communication & Messaging (8), Productivity & Notes (16), Project Management (49), Team Collaboration (34).
We track 27 messaging services with free tiers. CloudAMQP leads with a generous free tier. This category has seen some movement — 7 pricing changes recorded across vendors.
| Vendor | Tier | Description | Verified |
|---|---|---|---|
| CloudAMQP | Little Lemur | Managed RabbitMQ — 1M messages/month, 20 connections, 100 queues free | 2026-07-24 |
| Cloudflare Queues | Free | Superseded: As of 2026-09-05, developers.cloudflare.com/queues/platform/pricing reads: Cloudflare Queues charges for the total number of operations against each of your queues during a given month. An operation is counted for each 64 KB of data that is written, read, or deleted. Workers Free includes 10,000 operations/day. Workers Paid includes 1,000,000 operations/month + $0.40/million operations. Message retention is 24 hours (non-configurable) on the free tier and 4 days default, configurable up to 14 days on the paid tier. We are not publishing our stored Cloudflare Queues terms beside it — our own pricing change record, discovered 2026-09-05, names them as the previous ones. Read what we recorded ↓ | 2026-08-21 |
| QStash | Free | Serverless message queue by Upstash — 1,000 messages/day, 10 active schedules, 7-day max delay, retries free | 2026-08-26 |
| Pusher | Sandbox | Real-time messaging — 200K messages/day, 100 concurrent connections free | 2026-08-28 |
| Ably | Free | Real-time infrastructure — 6M messages/month, 200 concurrent connections, 200 channels, pub/sub + chat + spaces | 2026-07-24 |
| Novu | Free | Notification infrastructure — 10K workflow runs/month, 20 workflows, 2 environments, 3 team members. All channels: email, in-app, SMS, chat, push | 2026-08-28 |
| Svix | Free | Superseded: As of 2026-08-28, svix.com/pricing reads: Free tier includes 200 messages / second, 30-day payload retention, and includes Dispatch, Stream and Ingest. We are not publishing our stored Svix terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ | 2026-07-30 |
| Crisp | Free | Customer messaging platform — 2 seats, 100 contacts, unlimited conversations. Website chat widget, shared inbox, desktop/mobile apps | 2026-07-29 |
| OneSignal | Free | Superseded: As of 2026-08-28, onesignal.com/pricing reads: Free access to: 10,000/mo Free Email Sends Unlimited Mobile Push Sends. Web Push Notifications Max 10,000 subscribers per send. We are not publishing our stored OneSignal terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ | 2026-07-31 |
| Knock | Developer | Notification infrastructure — 10,000 notifications/month, 500 guide active users, unlimited workflows/broadcasts/channels/team members. All delivery channels included | 2026-08-26 |
| ElasticMQ | Open Source | Lightweight message queue server with SQS-compatible interface. In-memory or file-backed persistence. REST and SQS query APIs. Open source (Apache-2.0). Runs as single JAR or Docker container. Ideal for local dev and testing without AWS dependencies | 2026-08-14 |
| Zoho Cliq | Free | Team chat software with 100 GB storage, unlimited users, 100 users per channel & SSO. | 2026-07-30 |
| courier.com | Free | Single API for push, in-app, email, chat, SMS, and other messaging channels with template management and other features. The free plan includes 10,000 messages/mo. | 2026-08-18 |
| EMQX Serverless | Free | Scalable and secure serverless MQTT broker you can get in seconds. 1M session minutes/month free forever (no credit card required). | 2026-08-26 |
| Engage | Free | All-in-one Customer Engagement and Automation Tool (email, push, SMS, product tours, banners and more) for SaaS. Free for up to 1,000 active users per month. | 2026-08-08 |
| engagespot.co | Free | Multi-channel notification infrastructure for developers with a prebuilt in-app inbox and no-code template editor. Free plan includes 10,000 messages/mo.engagespot.co's pricing page has not resolved for us since 2026-08-07. | 2026-08-07 |
| HiveMQ | Free | Connect your MQTT devices to the Cloud Native IoT Messaging Broker. Free to connect up to 100 devices (no credit card required) forever. | 2026-08-30 |
| httpSMS | Free | Send and receive text messages using your Android phone as an SMS Gateway. Free to send and receive up to 200 messages per month. | 2026-08-08 |
| Pingram.io | Free | Communication infrastructure in 5 minutes. Free tier includes: 100 SMS and calls, 3000 Emails, Push, Slack, MS Teams, WhatsApp, and more. | 2026-08-28 |
| Pocket Alert | Free | Send push notifications to your iOS and Android devices. Effortlessly integrate via API or Webhooks and maintain full control over your alerts. Free plan: 50 messages per day to 1 device and 1 application. | 2026-08-30 |
| pubnub.com | Free | Swift, Kotlin, and React messaging at 1 million transactions each month. Transactions may contain multiple messages. | 2026-08-05 |
| scaledrone.com | Free | Realtime messaging service. Free for up to 20 simultaneous connections and 100,000 events/day | 2026-08-28 |
| SMSGate | Free | SMS Gateway for Android™ enables sending and receiving SMS messages through your devices using cloud routing. Completely free cloud service (with recommended notification for usage above 10,000 messages/day to maintain quality for all users). | 2026-08-08 |
| SuprSend | Free | SuprSend is a notification infrastructure that streamlines your product notifications with an API-first approach. Create and deliver transactional, crons, and engagement notifications on multiple channels with a single notification API. In free plan you get 10,000 notifications per month, including different workflow nodes such as digests, batches, multi-channels, preferences, tenants, broadcasts and more. | 2026-08-07 |
| synadia.com | Free | [NATS.io](https://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. | 2026-08-07 |
| webpushr | Free | Web Push Notifications - Free for upto 10k subscribers, unlimited push notifications, in-browser messaging | 2026-08-07 |
| Google Cloud Pub/Sub | Always Free | Superseded: As of 2026-09-03, cloud.google.com/pubsub/pricing reads: Every calendar month, the first 10 GiB of throughput identified as the Message Delivery Basic SKU for a billing account is free. After that, the price is $40 per TiB in all Google Cloud regions. We are not publishing our stored Google Cloud Pub/Sub terms beside it — our own pricing change record, discovered 2026-09-03, names them as the previous ones. Read what we recorded ↓ | 2026-08-17 |
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