If you want people to find your tools via keyword searches on Google, use Google's tips for helping their search engine index sites connected to your tools, like links to source code and documentation.

For instance, use meta tags and canonical URLs for your project. Take a look at the "other content considerations" section here for more details: https://support.google.com/webmasters/topic/4598733?hl=en&ref_topic=6001981

Announcing new versions of source code and binaries on informatics forums like this one helps. Answer questions by end users and link to relevant documentation pages. Cross-indexing makes search results more accurate.