Hard Lines

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
Chess Openings — Chessmate Practice and master chess openings with spaced repetition
ChessAtlas Master your chess openings with spaced repetition
Tikrar - Spaced Repetition Smart spaced repetition flashcards for effortless learning
LongTerMemory | AI study platform Study any subject with AI study plans and spaced repetition
Flashrecall - Flashcards + Spaced Rep Memorise Faster With Active Recall & Spaced Repetition
Lexie Turn notes into flashcards and practice exams instantly
Vocards Vocabulary flashcards with AI and spaced repetition
learnchess.fun A free chess trainer built around spaced repetition

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

Product
Knowyio Turn trusted notes into flashcards you review and remember
Berean app Go deeper into Scripture. Think like a Berean.
ExamPDF AI ExamPDF AI – AI Exam Coach for Competitive Exams
TranscriptAI Turn any recording into transcripts, notes & flashcards
Scholarics Free academic calculators, study tools & AI for students
Study Planner Plan your study schedule stay focused on your learning goals

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

Product
LoveStudy.ai AI flashcards, quizzes, notes, and…
Geleza AI-powered student study tools
Caktus AI-powered study tools for students
Digital Bible AI-powered Bible study platform

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

Profile
Zeb Larson Freelance writer with a PhD in history.
Thomas Taistra Venture Capital | Strategy Consulting | New York University | Harvard University
Alison Kriel 💚☮️ Former Exec HT & CEO, now a keynote speaker & leadership consultant on education for all, cultural capital, cultures of belonging, wellbeing, ubuntu, conscious leadership, EDI

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

Show
Reconciliation Ecology Newsletter
Pessimists Archive Newsletter Newsletter · Pessimists Archive
Well Sourced by Kelly Jensen Newsletter

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

Story
Drip's Leadpages deal was a 13-month acquisition, not a revenue chart Rob Walling used Startups for the Rest of Us episode 298 to describe Drip's sale to Leadpages as a long strategic acquisition, and he kept purchase price and recurring revenue off the record.
Pat Flynn's first product month was $7,906.55, a year and a half after the study blog Pat Flynn says he was laid off as an architect in 2008, then sold a LEED-exam ebook into traffic he had already built; October's $7,906.55 was the first month with his own product, not the first month the site existed.
Tiago Forte scaled Building a Second Brain as live cohorts, then stopped teaching them himself A 2022 Disco case study describes Tiago Forte taking Building a Second Brain to a fifteenth cohort and thousands of learners by iterating live, then his January 2023 post says he taught 16 cohorts and would not teach the
Ship 30 for 30 started as a $50 Slack challenge, not a later AI newsletter Dickie Bush says Ship 30 for 30 began in November 2020 when he asked about 500 followers to write daily, had 50 people in Slack six days later, and later wrote with Nicolas Cole that they had taught 10,000-plus students

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