Second Brain

Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.

Product
Kutu: Manage Your All Links One Place Organize your links, articles, and notes across all devices
知芽 · Notebook Skill AI-powered note and knowledge management system
YouTube Chapter Notes - Save Chapters Save YouTube video chapters with personal notes. Search thro
AI Chat Exporter: Save AI Conversations Export AI conversations to PDF, Word, and Google Docs
The Secure Note Your Zero-Knowledge Encrypted Notebook
Grafite Bot-free meeting recording and personal knowledge graph
Acorny Turn scattered highlights into knowledge you remember.
ChatGPT Pro Tools Turn your ChatGPT chaos into an organised workspace

Selected by category and available use-case details. A topic match does not establish equivalent features.

Product
Parenthesis Your notes, your API keys, your local drive.
UNIUN Your notes, your network, your identity.
StudentHub One app for all the things students need
Waver The perfect ai note taker and study tool
spira-base a knowledge base for arXiv papers
LatexNotes Turn handwritten math into LaTeX and TikZ diagrams

Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.

Product
AskTuring Private AI knowledge base for teams
NoteGenie AI-powered note-taking and writing
Siedisk AI-powered knowledge base tool
Reflect AI Minimalist AI note-taking app

Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.

Profile
Technomanagers IIM Bangalore & IIT Kanpur alumni are helping you land your dream career in Management or Technology.
David Allen American productivity consultant and author
K Krzysztof Kania Business Application MVP | Power Platform Consultant Business Application MVP | Power Platform Consultant

Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.

Show
Thoughts from the Ivory Basement Newsletter · Günter Richter
Top SaaS & AI Tools YouTube · 130K subscribers
Ai & SaaS Lab YouTube · 10K subscribers

Retold founder accounts from startups in the same category, each linked to the original.

Story
Buffer's first paying customer arrived four days after a seven-week build Joel Gascoigne validated Buffer with a two-page landing flow, spent seven weeks of evenings and weekends on a minimal product, launched on 30 November 2010, and recorded a first paying customer within four days.
Tibo stated sub-$2M ARR at sale and $6–7M later, not catalog $3.5M In a January 2024 Bootstrapped Founder interview, Thibault Louis-Lucas did not quote a $10M sale price or $3.5M ARR; he said Lempire acquired them below $2M annual recurring revenue and that they were nearing $6–7M, with
Tally's March 2024 letter is $100k MRR, not a $3M ARR stamp Marie Martens wrote that Tally, launched in summer 2020 with Filip, hit $100k monthly recurring revenue in February 2024 with a bootstrapped team of three and more than 250,000 users; this record uses those founder label
Ajay Goel priced GMass after a free year, not after an ARR headline Ajay Goel’s own GMass posts give send volume, user counts, and plan prices. In a later interview he described a $10,000 first build, a free first year, and $10,000 to $20,000 a month after the paywall. He did not state $

Subcategories in the same part of the directory, with the number of listed products.