FREESOURCES
  • FREESOURCES
    • Analytics, Events and Statistics
    • APIs, Data and ML
    • Artifact Repos
    • Authentication, Authorization and User Management
    • BaaS
    • Browser Based Hardware Emulation Written in Javascript
    • CDN and Protection
    • CI and CD
    • CMS
    • Cloud Management Solutions
    • Code Quality
    • Code Search and Browsing
    • Commenting Platforms
    • Crash and Exception Handling
    • DBaaS
    • DNS
    • Data Visualization on Maps
    • Design Inspiration
    • Design and UI
    • Dev Blogging Sites
    • Docker Related
    • Domain
    • Email
    • Flutter Related and Building IOS Apps without Mac
    • Font
    • Forms
    • Game Development
    • IDE and Code Editing
    • IaaS
    • International Mobile Number Verification API and SDK
    • Issue Tracking and Project Management
    • Log Management
    • Major Cloud Providers
    • Management System
    • Messaging and Streaming
    • Miscellaneous
    • Monitoring
    • Non-Dev
    • Other Free Resources
    • PaaS
    • Package Build System
    • Payment and Billing Integration
    • Privacy Management
    • Remote Desktop Tools
    • Screenshot APIs
    • Search
    • Security and PKI
    • Software DevDesign Tools
    • Source Code Repos
    • Storage and Media Processing
    • Testing
    • Tools for Teams and Collaboration
    • Translation Management
    • Tunneling, WebRTC, Web Socket Servers and Other Routers
    • Vagrant Related
    • Visitor Session Recording
    • Web Hosting
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  1. FREESOURCES

Messaging and Streaming

Messaging and Streaming

  • 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.

  • 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.

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