trackthenews is the script that powers @FOIAfeed, a Twitter bot that monitors news outlets for reporting that incorporates public records laws like the Freedom of Information Act (FOIA), and tweets links to and excerpts from matching articles. The underlying software can track any collection of RSS feeds for any keywords.
Somebody I know on Mastodon threw together a quick utility that picks keywords out of documents you feed it and throws them into a Neo4j graph database for indexing. Written in rust.
A search engine for FOSS libraries, tools, and frameworks.