Petrarca: Voice first spaced repetition – track knowledge across books
Voice-first knowledge elicitation beats typing notes, but Readwise already does resurfacing.
Turn any PDF or EPUB into a structured Claude Code skill - then ask your whole bookshelf a single question.
Map-reduce ingestion turns 400k token books into cheap, queryable Claude skills.
Researchers and developers using Claude Code for deep document analysis
NotebookLM · ChatPDF · Mem
Voice-first knowledge elicitation beats typing notes, but Readwise already does resurfacing.
Charming personal archive that turns a text file of quotes into a walkable 3D memory palace.
Maps 11k+ free little libraries, but Little Free Library already dominates discovery.
Maps your portfolio to an ontology and surfaces OSS matches your AI agent can actually use.
Hex-grid walkability scores beat Walk Score's coarse neighborhood averages.
Knowledge graph for repo matching feels like over-engineering a GitHub feed.