git-cliff can generate changelog files from the Git history by utilizing conventional commits as well as regex-powered custom parsers. The changelog template can be customized with a configuration file to match the desired format.
A rust library for creating and managing logs of arbitrary binary data. Presently it's used to collect sensor data. But it should generally be helpful in cases where you need to store timeseries data, in a nearly (but not strictly) append-only fashion.
Logpeek is a simple logfile regex matcher program. It allows matching a file line by line using regular expressions and can be configured using a JSON based configuration file.