MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
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MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
FoundationDB - the open source, distributed, transactional key-value store
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
Distributed transactional key-value database, originally created to complement TiDB
Open-source transactional email API and self-hostable Resend alternative. SMTP, inbound mail, webhooks, and campaigns for developers.
.NET Transactional Document DB and Event Store on PostgreSQL
The Frank!Framework is an easy-to-use, stateless integration framework which allows (transactional) messages to be modified and exchanged between different systems.
The on premise, open source version of Eventuate, which is a platform for developing transactional business applications that use the microservice architecture.
C++ fast transactional key-value storage.
ZoneTree is a persistent, high-performance, transactional, ACID-compliant ordered key-value database and LSM-tree storage engine for .NET.
Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨
Open-source, cloud-native transactional tensor storage engine
Full-stack MERN fitness e-commerce platform with complete Admin dashboard, Razorpay payments, workout tracker, exercise library, AI chatbot, BMI and calorie calculators, nearby gym finder and transactional emails. Built for real-world use and open-source contribution.
Self-hosted email gateway between your apps and a transactional mail provider (Postmark, Resend, Mailgun, AWS SES, or outbound-SMTP). Three ingress shapes (HTTP form, HTTP API, SMTP). One Docker container, one TOML config.
Self-hosted transactional email platform — send through your own AWS SES account, keep the dashboard, API keys, delivery logs, and webhooks on your own infrastructure.
One simple SDK for transactional email across 23 adapters