ShadowHub.app

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
Duolingo Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. R
proenglishhub Improve Your English, One a Time Simple English learn
Catsentence Improve your English with hundreds of interactive exercises
Marquiz Quiz builder for digital marketing
Exam Samurai AI Exam Generator
Sycamore Education Sycamore Education, the provider of web-based school management solutions, has completed another phase of integration with Google Apps for Education . While
DigiExam Learning Management System (LMS)
TalkMe Practice real-life language conversations and role-plays with AI tutors, immediate feedback, and suggestions for more natural phrasing.

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

Product
MediBang Paint The official site for MediBang Paint, the free digital painting and manga creation software. You can download the latest version of MediBang Paint here, and get news and tutorials.
OutMatch Software for reference checking
TriviaGamesQuestions Create engaging trivia questions about any topic using AI or access verified questions from OpenTriviaDB
The Free Dictionary The World's most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries
Tutonomi Tutonomi is tutor management software for private tutors. Built for tutors like you, by tutors like you. Manage lessons, payments and messaging with ease, saving hours of admin every week.
MANA Learn MANA Learn is a free AI language learning app with CEFR-based lessons, personalized practice, translation tools, and quick daily exercises for beginners.

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

Product
Public Prompts Open-source AI image prompts
PromptHero Search AI art prompts and images
Polyglot Media AI English lesson generators
PatentPal AI-powered patent drafting automation

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.

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

Show
Well Sourced by Kelly Jensen Newsletter
Strange and Wondrous: Notes from a Science Historian Newsletter
The Strategy Files Newsletter · LaToya Allen

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.