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featured

Mermaid

Turn text into flowcharts, sequence diagrams, and charts

4.7
Free tier
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Free

verified

Joplin

Open-source notes you can sync yourself

4.6
Open source
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Free / open source

featured

Superhuman

Fast email, docs, and AI that works in every tab

4.7
Paid
Get it here↗

Paid subscription

SpecMermaidJoplinSuperhuman
CategoryProductivityProductivityProductivity
PricingFree + mermaid.aiFree / open source + optional Joplin CloudPaid subscription
Rating4.7 (16,000)4.6 (8,900)4.7 (28,000)
Community92/10091/10091/100
Tierfeaturedverifiedfeatured
Best fordiagrams, flowcharts, markdown, docsnotes, markdown, open-source, syncemail, docs, ai, inbox
Top features
  • ·Live editor
  • ·Flowcharts and sequence diagrams
  • ·Markdown-style syntax
  • ·Markdown notes and notebooks
  • ·Web clipper
  • ·End-to-end encryption option
  • ·Superhuman Mail
  • ·Docs
  • ·Go AI assistant