Free communication tools or service for developers
A collection of free communication app, tools or service for developers
Engagespot
Send transactional Email, SMS, In-app, Whatsapp, Push, Slack notifications using a single API.
Tags: notification, communication, messaging
Free Offer:
Free for up to 100 monthly active users.
Fonoster
🚀 The open-source alternative to Twilio
Tags: communication, SMS, call
remoteStorage
Open protocol for per-user storage on the Web
Tags: network-protocol, communication, storage
Free Offer:
Free self-hosted
SuprSend
A notification infrastructure to help developers build and manage notifications on all channels - sms, email, push, slack, chat and more
Tags: communication, messaging, notification
Free Offer:
Up to 10000 notifications per month
Added multi-tenancy, user preferences, and inapp notification center
Free webhook support
Multi-channel support (email, SMS, push, WhatsApp, slack, teams, discord, inapp)