Compare 28 free messaging tools, free tiers, and developer deals. 1 is not a free offer. We could not confirm today's terms for 10 of them: on 5 the page we cite did not answer, and on 5 our own read did not confirm them. Each row says why. Nothing on record contradicts our terms for CloudAMQP 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 (17), Communication & Messaging (8), Productivity & Notes (16), Project Management (49), Team Collaboration (34).
We track 27 messaging services with a free tier we hold as current and 1 without. This category has seen some movement — 11 pricing changes recorded across vendors.
| Vendor | Tier | Description | Read / catalogue date |
|---|---|---|---|
| CloudAMQP | Little Lemur | Managed RabbitMQ. The free Little Lemur plan runs on a shared RabbitMQ broker with a 1M message quota a month, 20 connections, 100 queues, up to 10,000 queued messages and a 28-day maximum idle queue time. | 2026-11-02 |
| Cloudflare Queues | Free | Message queues on Workers — 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. | 2026-11-05 |
| QStash | Free | Serverless message queue by Upstash — 1,000 messages/day, 10 active schedules, 7-day max delay, retries freeWhen we last read the page we cite for this offer, on 2026-11-08, we could read no amount, tier or rate on the page, so we cannot confirm these terms today. | 2026-11-08 / 2026-10-18 |
| Pusher | Free | Real-time messaging — 200K messages/day, 100 concurrent connections free | 2026-11-08 |
| Ably | Free | Up to 500 monthly active users (MAUs) for $0 on the Free package, with every Ably product (Pub/Sub, Chat, Spaces, LiveObjects, LiveSync and AI Transport), community and email support and no commitment. Ably has priced on MAUs since November 5, 2026. Accounts already on its resource-based pricing keep their terms. Pro costs $29 a month and Business $349 a month for 1,000 MAUs, billed annually, and on both each MAU over the allowance costs $0.05.
|
2026-11-08 / 2026-09-24 |
| Novu | Free | Notification infrastructure — 10K workflow runs/month, 20 workflows, 2 environments, 3 team members. All channels: email, in-app, SMS, chat, push | 2026-11-08 |
| Svix | Free | Webhook service for sending (Dispatch), receiving (Ingest) and data streaming (Stream). The Free plan is $0 with no credit card: up to 50,000 messages a month, 50 messages a second, 7-day payload retention and the embeddable webhooks UI. Basic, from $20 a month, adds a 99.9% uptime SLA, 200 messages a second and 30-day retention, and bills messages beyond 50,000 a month.Our read on 2026-11-08 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-11-08 / 2026-10-18 |
| Crisp | Free | Customer messaging platform — 2 seats, 100 contacts, unlimited conversations. Website chat widget, shared inbox, desktop/mobile appsWhen we last read the page we cite for this offer, on 2026-11-07, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today. | 2026-11-07 / 2026-07-29 |
| OneSignal | Free | Push notification platform — Free $0/mo. Access to: All channels, Basic automation & analytics, OneSignal AI & MCP, Basic personalization. Mobile Push Notifications for organizations with up to 1,000 monthly active users. Web Push Notifications Max 10,000 subscribers per send. Email 10,000 sends / month.
|
2026-11-02 |
| Knock | Developer | Notification infrastructure — 10,000 notifications/month, 500 guide active users, unlimited workflows/broadcasts/channels/team members. All delivery channels included | 2026-11-09 / 2026-10-19 |
| 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 dependenciesThe page we cite for ElasticMQ names a plan but states no amount, so these limits come from our own record rather than from that page. | 2026-10-31 |
| Zoho Cliq | Free | Team chat software with 100 GB storage, unlimited users, 100 users per channel & SSO.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today. | 2026-10-10 / 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. | 2026-11-06 / 2026-08-18 |
| EMQX Serverless | Free | Scalable and secure serverless MQTT broker you can get in seconds. It includes 1 million session minutes, 1 GB of traffic, and 1 million rule actions each month free forever. The free tier supports up to 1,000 connections. A session minute is counted for every minute a client is connected, including disconnected clients with persistent sessions. No credit card is required. Pay as you go pricing is $2.00 per additional million session minutes, $0.15 per GB for traffic, and $0.25 per additional million rule actions. | 2026-11-11 |
| 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.We could not read the page we cite for this offer when we last looked, on 2026-11-13, so we cannot confirm these terms today. | 2026-08-08 · tried 2026-11-13, no read |
| 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 2026-08-30. | 2026-08-07 · tried 2026-11-10, no read |
| HiveMQ | Legacy Free | HiveMQ retires the HiveMQ Cloud Serverless plan on 2026-12-31. New Serverless clusters cannot be created. Existing Serverless clusters run until 2026-12-31, after which clients cannot connect and data is deleted. The Lab license is for learning, evaluation, and small-scale testing on your own infrastructure. It is free, allows one broker deployment, requires no credit card, and supports 25 connections and 25 messages per second with community support. The license is valid for 30 days and can be renewed manually at no charge. HiveMQ Cloud Starter costs from $0.34 an hour plus $0.80 per million messages, with a 15-day trial. | 2026-11-12 / 2026-10-22 |
| 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. | 2026-11-02 |
| Pingram.io | Free | Communication infrastructure in 5 minutes. Free tier includes: 100 SMS and calls, 3000 Emails, Push, Slack, MS Teams, WhatsApp, and more. | 2026-11-12 |
| 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. | 2026-10-25 |
| pubnub.com | Free | Swift, Kotlin, and React messaging at 1 million transactions each month. Transactions may contain multiple messages.When we read the page we cite for this offer on 2026-09-11, we found a change we could not reconcile with the terms we publish, and we have read it again since, on 2026-11-09, without confirming them, so we cannot confirm these terms today. | 2026-11-09 / 2026-08-05 |
| scaledrone.com | Free | Realtime messaging service. Free for up to 20 simultaneous connections and 100,000 events/day | 2026-11-11 |
| 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). | 2026-11-01 |
| 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. | 2026-11-13 / 2026-10-23 |
| synadia.com | Free | [NATS.io](https://nats.io) as a service — The Personal Plan is $0/month and includes 2 Accounts, 10 Connections, 2 Leaf Nodes, 1 MiB Message Size, 10 GiB Network Data, and 5 GiB Storage. | 2026-11-13 |
| webpushr | Free | Web Push Notifications - Free for upto 10k subscribers, unlimited push notifications, in-browser messagingThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today. | 2026-10-11 / 2026-08-07 |
| Google Cloud Pub/Sub | Always Free | 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.
|
2026-11-06 |
| WhatsApp Business Platform | Free | 1,000 free service messages (non-template replies inside the 24-hour customer service window) a month per business phone number, since 2026-10-01. Service messages after 1,000 and template messages are charged. Rates depend on message category and recipient country code.
|
2026-11-09 |