Heka

Allows plugins to be written in Go or Lua, catering to different developer skill sets and enabling rapid prototyping with Lua scripts, as mentioned in the README.

Performs data transformation during collection, reducing latency and simplifying pipeline architecture compared to batch systems, aligning with its design for 'in-flight' processing.

Can deliver processed results to any number of destinations, supporting complex workflows and diverse analysis tools, as highlighted in the key features.

Provides a build script that sets up the Go environment and dependencies, though it requires careful sourcing to avoid issues, per the README warning.