Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

conda-forge.org "iso" keyword

pycdlib 1.12.0
Python library to read and write ISOs
1 version - Latest release: about 2 years ago - 113 stars on GitHub
r-geometa 0.7_1
R tools to write, read & validate geographic metadata (OGC/ISO 19110, 19115, 19119, 19136 and 19139)
3 versions - Latest release: over 1 year ago - 42 stars on GitHub