2. Streaming audio, classical music from wonderful public stations. In particular, WQXR, KUSC (Now Classical California) and WBJC, Baltimore top my list.
3. Finding graphics for my mostly GIMP homemade memes and mashups.
4. Free (off copyright) classical music scores. Mostly at IMSLP with nag blocker extensions in Firefox.
5. FOSS downloads.
Conversely:
Zero online processing (especially my photos) except when absolutely necessary (youtube transcripts) and as little sharing as possible with the internet copy machine and LLM infinite information sink at work.