Skip to content
Chess Lines — Startup Profile
Startup

Chess Lines

Chess openings with spaced repetition right in your browser

Study tools & assessments
Website not listedConnect your account

Among 1,097 Study tools & assessments products tracked by Astracia.

Astracia Signal Score

Compare with similar →

Not enough public signals for a score yet. Missing signals are not a sign of weakness.

Connections

No public connections on record yet.

About the startup

Chess Lines is a Chrome extension that drills your opening repertoire using spaced repetition. Practice move-by-move, get quizzed at the right intervals, and actually retain the lines you study. Works 100% offline — no account, no sync required. Free plan includes 6 lines. Lifetime upgrade ($10) unlocks all 86 lines across 23 openings for both White and Black.

Alternatives to Chess Lines

Browse category →

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

ChessAtlas

Master your chess openings with spaced repetition

Lexie

Turn notes into flashcards and practice exams instantly

Chess Openings — Chessmate

Practice and master chess openings with spaced repetition

Vocards

Vocabulary flashcards with AI and spaced repetition

Tikrar - Spaced Repetition

Smart spaced repetition flashcards for effortless learning

Flashrecall - Flashcards + Spaced Rep

Memorise Faster With Active Recall & Spaced Repetition

CheatGrid

Structured cheat sheets, flashcards, practice tests etc.

PassTIA

Master CompTIA certifications with practice tests and labs

Browse category →

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

Product

GoodPlans 2.0

The study planner that plans itself

Neurako

Turn the world into flashcards.

LanguageLeveler

Read to become fluent

Prismara - AI Study Companion

Unlock your potential, learn anything!

StudySoul

AI Powered Study Companion

Learnicove

Curate, Master and Retain your Knowledge

Recently added in Study tools & assessments

Browse category →

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

Explore expertise in Education & Research

See all →

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

Profile

ExplainingComputers

Weekly videos on computing and related topics.

Max Rohowsky, Ph.D.

Obsessed with SaaS customer acquisition and building leverage • Bootstrapping crosspublish.com • Previously corp.

Renate Samson

Longtime policy wonk, consultant, researcher and speaker about the impact of data driven tech and AI.

Media about Education & Research

See all →

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

Show

Kick SaaS Podcast

Podcast · Jono Landon

Speech Therapy Private Practice Startup Podcast

Podcast · Kyle Meades

Why Yall Working - A Tech and Startups Podcast

Podcast · Michael Ogunsanya & Alairé Jameson

Founder stories from Education & Research startups

See all →

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

Browse Education & Research categories

See all →

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

Category

Courses & tutoring

1,168 listed products

Language learning

1,017 listed products

Course authoring & LMS

199 listed products

Research & laboratory tools

180 listed products

School & student management

167 listed products

Libraries & academic resources

72 listed products