MassTransit/MassTransit
Distributed Application Framework for .NET observed · 2026-08-28
Health v2 · maintenance only
70/100
- Activity 85
- Release rhythm 35
- Longevity 100
Flags: no_releases
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 5892
- days_rel: n/a
- days_push: 90
- n_releases_24m: 0
Adoption not part of the score
7798 stars · 1974 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
MassTransit is a free, open-source distributed application framework for .NET that enables message-based, loosely-coupled asynchronous communication across transports like RabbitMQ, Azure Service Bus, Amazon SQS, and ActiveMQ. It provides a consistent programming model with message contracts, consumers, sagas, retries, outbox, scheduling, and a test harness.
Use cases
- build microservices with asynchronous messaging in .NET
- implement event-driven communication between services
- add retries, redelivery, and outbox patterns to message processing
- orchestrate long-running workflows and sagas
- schedule delayed messages and jobs
- create a SignalR backplane for scaling out hubs
- interoperate with existing NServiceBus systems
- unit test message consumers without a real broker
When to choose
- you are building .NET applications that need reliable message-based communication
- you want transport portability across RabbitMQ, Azure Service Bus, SQS, or ActiveMQ with one API
- you need production features like outbox, retries, fault handling, and scheduling out of the box
- you want DI and hosted-service integration so consumers run inside your app
When to avoid
- you need a simple point-to-point queue with minimal abstraction
- your team works outside the .NET ecosystem
- you require full NServiceBus message exchange compatibility (interop is limited and clean-room built)
- you want a fully free v9 with commercial support included (v9 is a commercial product)
Facets
framework · maturity active
message-queue rpc scheduling workflow-automation middleware serialization testing microservices backend developer-tools dotnet cross-platform cloud message-bus saga event-driven-architecture rabbitmq azure-service-bus amazon-sqs outbox-pattern nservicebus-interop signalr-backplane messaging docker
5 sources
- readme: https://github.com/MassTransit/MassTransit · fetched 2026-08-28 · ea98606d2fa9
- homepage: https://masstransit.io · fetched 2026-08-29 · af44bb997aa3
- site_page: https://masstransit.massient.com/configuration/integrations/nsb · fetched 2026-08-29 · 4f693217f217
- site_page: https://masstransit.massient.com/configuration/integrations/signalr · fetched 2026-08-29 · 9696ae98874d
- site_page: https://masstransit.massient.com/reference/obsolete · fetched 2026-08-29 · c18497236655
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| MassTransit/MassTransit | main | 70 |
For agents
markdown · JSON · MCP: product_card(name="MassTransit/MassTransit")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem