4stay

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
HomeToGo HomeToGo is a search engine for vacation rentals worldwide.
FLATIO Flatio is the only place where you can easily rent a furnished flat for 1–6 months directly from...
Sam Obi Empowering educators worldwide
Unsaddl education benefits and leave of absence management
Weeki Endless Visual Workspace for research & scientific education
X-doc AI The most accurate AI translator
Personalized AI Summary by Glasp Summarize what you learn with AI
GeniusPal.app GeniusPal turns your notes and PDFs into AI-generated flashcards, quizzes, and active-recall practice in seconds. Upload once, study smarter.

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

Product
ChemistryAI.chat Chemistry AI solver that turns homework photos into clear, step-by-step solutions across all major chemistry topics.
Academus Read research papers as interactive webpages
Avatalks Learn faster with Avatalks—AI language learning with 3D avatar tutors. Build vocabulary, master grammar, and speak fluently through real conversations.
Tutor.com Tutor.com is the world's largest and highest-rated online tutoring company with a community of more than 3,100 expert tutors.
Pass4Success Get all the official information for free for all certification exams and real exam questions. We also provide premium practice questions for quick preparation and exam success in first attempt.
Quizzy Transform your study routine with Quizzy, where you create your own AI-enhanced flashcards and receive insightful analytics to optimize your learning. Join us now and master your tests with a study partner that understan

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

Product
Knowbooks Launchation An Unforgettable Experience
Fitness Programs That Build Confidence Apex Leadership – Innovative Fundraising Ideas for Schools
GitHub One human voice, 51M params, runs on your CPU
FocusFlow Your apps stay locked until your work is done

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
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

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

Story
Eduflow: Learning That a Useful Product Still Needs the Right Market David Kofoed Wind's classroom problem became Peergrade, then the broader learning platform Eduflow. The journey exposed the difference between user enthusiasm, a suitable business model and a market the team could serve
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

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