Dapr
Dapr is a free and open source runtime system designed to support cloud native and serverless computing. Its initial release supported SDKs and APIs for Java, .NET, Python, and Go, and targeted the Kubernetes cloud deployment system.
The source code is written in the Go programming language. It is licensed under Apache License 2.0 and hosted on GitHub.
Dapr is a CNCF project and graduated in November 2024.