MassTransit v9 Goes Commercial: Ensuring the Future of a Beloved .NET Messaging Framework
2025-04-03
After over a decade as a leading open-source .NET messaging framework, MassTransit is transitioning its v9 release to a commercial licensing model. This ensures long-term sustainability, continued innovation, and enterprise-grade support. MassTransit v8 will remain open-source with community support. The commercial v9 offers enhanced scalability, security, performance, and enterprise support, with pricing tiered for small/medium businesses (~$400/month) and large organizations (~$1200/month). v8 will receive continued maintenance through the end of 2026.
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Commercial License