The Workbench. Tools That Earn Their Place.
Note-Taking & PKM
Obsidian
Free Plan AvailableThe knowledge graph that grows with you
Zettelkasten implementation, linked thinking, local-first privacy
Free / $50/yr sync
Download Obsidian FreeNo affiliate program — listed on merit only
Notion
Free Plan AvailableThe flexible database most PKM practitioners start with
PARA method implementation, project management, team knowledge bases
Free / $10/mo
Try Notion FreeWe earn up to $40 per Plus plan referral (Affiliate link coming soon)
Readwise Reader
Free Plan AvailableEvery highlight, every annotation, all in one retrieval system
Captures highlights from Kindle, articles, PDFs into a searchable knowledge base
$7.99/mo
Try Readwise FreeWe earn 30% recurring for 12 months (Affiliate link coming soon)
AI Writing & Research
Perplexity Pro
Free Plan AvailableThe search engine that cites its sources
Research without hallucination risk — pages cited, answers sourced
$20/mo
Try Perplexity ProWe earn up to $20 per Pro referral (Affiliate link coming soon)
Mem.ai
Free Plan AvailableAI-native knowledge base that surfaces context automatically
Passive capture meets active retrieval — no manual tagging required
Free / $14.99/mo
Try Mem FreeWe earn 20% recurring (Affiliate link coming soon)