novuhq / novu
The open-source communication infrastructure for agents and products
novuhq / novu
knadh / listmonk
High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.
tikv / tikv
Distributed transactional key-value database, originally created to complement TiDB
apple / foundationdb
FoundationDB - the open source, distributed, transactional key-value store
mysql / mysql-server
MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
apache / cassandra
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
JasperFx / marten
.NET Transactional Document DB and Event Store on PostgreSQL
dittofeed / dittofeed
Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨
eladnava / mailgen
A Node.js package that generates clean, responsive HTML e-mails for sending transactional mail.
Notifuse / notifuse
Open-source, self-hosted newsletter, email marketing and transactional email platform. Visual MJML editor, Liquid templating, 7 sending providers.
orbitinghail / graft
Graft is an open-source transactional storage engine optimized for lazy, partial, and strongly consistent replication—perfect for edge, offline-first, and distributed applications.
projectnessie / nessie
Nessie: Transactional Catalog for Data Lakes with Git-like semantics
skaiworldwide-oss / agensgraph
AgensGraph, a high performance transactional graph database based on PostgreSQL
Mithril-mine / libmdbx
Fastfull embedded transactional key-value storage engine ★ Surpasses the legendary LMDB in reliability, capabilities and performance ★ Used in hundreds of open source projects, including Ethereum.
eventuate-tram / eventuate-tram-core
Transactional messaging for microservices
phpList / phplist3
Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.
eventuate-local / eventuate-local
The on premise, open source version of Eventuate, which is a platform for developing transactional business applications that use the microservice architecture.
jepsen-io / elle
Black-box transactional safety checker based on cycle detection
earth-mover / icechunk
Open-source, cloud-native transactional tensor storage engine
goposta / posta
Self-hosted email delivery platform that enables applications to send emails via HTTP APIs while handling SMTP delivery, templates, storage, security, and analytics. Fully self-hostable alternative to services like SendGrid or Mailgun.
tidesdb / tidesdb
High-performance write & space optimized transactional storage engine.
opencoredev / email-sdk
One simple SDK for transactional email across 23 adapters
ZoneTree / ZoneTree
ZoneTree is a persistent, high-performance, transactional, ACID-compliant ordered key-value database and LSM-tree storage engine for .NET.
osalvador / ReplicaDB
ReplicaDB is open source tool for database replication, designed for efficiently transferring bulk data between relational and non-relational databases
MillionSend / millionsend
The open-source email platform — self-host on your own AWS SES, or use the cloud. Resend-compatible API.
R44VC0RP / opensend
self-hosted transactional & marketing email layer on top of aws ses
iiitaoge / ECSR
Matter-backed transactional, composable and traceable state evolution framework for Roblox
OBdangshang07 / DSH_Creative_Workshop
Steam-Workshop-inspired discovery, trust, graph search, collections, and transactional installation planning for DeepSeek Harness plugins
cardmagic / solid-objects-js
Fix race conditions across Node.js processes: ordered operations, expiring holds, and state that survives a restart, in your SQL database. A SQL-backed virtual actor library.
cardmagic / solid-objects-ruby
Fix race conditions on one record in Rails: ordered operations, expiring holds, and durable state in your existing SQL database. A SQL-backed virtual actor library.
GagnDeep / mailysend
A Resend-compatible email platform on Cloudflare Workers — transactional sending, broadcasts, automations, inbound mail and deliverability analytics. MIT, one-click deployable into your own account.
Maildun / maildun
Self-hosted email platform for teams: audiences, campaigns, transactional email, automations, and first-party engagement tracking. Laravel 13 · Inertia 3 · React 19.
KoninMikhail / workhold-durable-work-queue
Durable per-application work queue with named queues, fenced leases, and atomic follow-up tasks.
sammwyy / layerfs
Transactional, layered, recoverable root filesystem architecture for Linux.
isesword / golem
Pure-Go native-library emulation framework: load Android AArch64 .so files and call their functions directly — no JVM, no device, zero cgo (libunicorn runtime-loaded via purego). Real bionic, JNI-spec reference lifecycle, engine pool for concurrent use, shared read-only pages, transactional hooks.