🚀 The open-source alternative to Twilio.
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Updated
Sep 18, 2026 - TypeScript
🚀 The open-source alternative to Twilio.
Countly is a privacy-first, AI-powered analytics and engagement platform for understanding and optimizing customer journeys across digital applications, from desktop and mobile to IoT and connected environments.
Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨
📢 Laudspeaker is an Open Source Customer Engagement and Product Onboarding Platform. Open Source alternative to Braze / One Signal / Customer Io / Appcues / Pendo . Use Laudspeaker to design product onboarding flows and send product and event triggered emails, sms, push and more.
Obsei is a low code AI powered automation tool. It can be used in various business flows like social listening, AI based alerting, brand image analysis, comparative study and more .
Serendipity is an open source toolkit for building performant, high-quality applications.
Public repo for the Braze React Native SDK
A better shopping experience 🤙
Public repo for the Braze Web SDK
Braze SDK for the Apple ecosystem, including: iOS, macOS, iPadOS, visionOS, tvOS
D365 Extension for SpecFlow allows you to automatically test your Dynamics 365 CE implementation. It provides a broad set of SpecFlow steps to help you create your scripts very rapidly. It leverages the EasyRepro library from Microsoft for the User Interface related tests.
A Python program designed to send SMS messages to numbers through websites.
Multi-channel customer engagement automation platform. Send data-driven emails, sms, push notifications and more! Fork of Parcelvoy.
Public repo for the Braze Flutter SDK
Repository demonstrating how to calculate user segments in Clickhouse.
The open-source growth platform — AI-native marketing automation: CDP, segmentation, cross-channel journeys, email, analytics. Self-hostable, data-sovereign.
The lifecycle automation layer PostHog doesn't have yet. Code-first email journeys on PostHog + Resend. Self-hosted.
Open-source customer engagement platform for small teams — customer data, segments, journeys, and email, SMS, in-app and web push, with an optional team of eight AI growth agents that draft the work for human approval. AGPL-3.0. Pre-launch — source not yet published. Waitlist at fromhello.io.
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