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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
CookingCalcs CookingCalcs offers 12 free kitchen calculators — no signup, no paywall, open and use instantly.
Math.now: Free Math AI Solver Solve math problems instantly with accurate, step-by-step solutions.
AI Math Solver Your Ultimate Math Problem Solving Tool
Dynamic Math Solver Calculation Platform, designed to solve math and engineering problems
Build vs. Buy SaaS Calculator Compare TCO for SaaS build versus buy - including renewals!
Adrenal Washout Calculator Calculate adrenal washout and generate medical reports
LLM API Pricing Calculator Calculate and compare the cost of using LLM APIs for free
Free Online Calculators “Smart calculators for every tool you need.”

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

Product
SplutterAI Create AI Chatbots for Websites | Splutter
Paperclip AI Manage a team of AI agents to run your business. Org charts, budgets, governance, and goals — all in one deployment.
ComplianceAgent Free EU AI Act Article 50 Transparency Checker — five plain-language questions, instant deterministic result. No account, nothing stored.
Tutorly.sg Your Personal AI Tutor, Available 24/7
Tibit Tibs are tokens of value defined by the user in their local currency, they can be spent on any tib...
Daily Intel Productivity tool, AI Agent, Automation

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

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

Profile
AI with Surya Hi, I’m Surya!
Sabrina Ramonov 🍄 My mission is to teach 10 million people AI, for free.
Sam Witteveen HI my name is Sam Witteveen, I have worked with Deep Learning since 2014 and with Transformers and LLM since 2018.

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

Show
Exploring Language Models Newsletter · Maarten Grootendorst
Episodes Newsletter · Emily St. James
Hit Points by Nathan Brown Newsletter · Nathan Brown

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

Story
Wade Foster charged $100 after building the integration a forum asked for Wade Foster says Zapier's first paying customer was Mixergy's Andrew Warner, billed $100 into an unfinished beta after Wade found a stale PayPal-to-Highrise plea and then shipped Wufoo-to-AWeber instead, taking the money
FounderPal sold strategies as one-time payments, not subscriptions Sveta Bay says Marketing Strategy Generator brought around $10,000 a month in one-time payments after a second MVP earned $60,000 in six months. Dan Kulkov later said that paid product made around $100,000 in ten months.
Prompt Genie shipped on a Friday and called 30 days five figures, not MRR Kushank Aggarwal says a Carrd-and-PickAxe ChatGPT prompt generator went from idea to first paid user in four days and to five-figure revenue in 30 days via organic TikTok and Instagram, then slowed with wrapper-like chur
Integromat's 2019 review counted users, not a $107 million sale Integromat's February 2020 year-in-review, the assigned company original for Ondrej Gazda's Make story, reports 77,000 users at the end of 2018 and 205,000 at the end of 2019, with paying users tripling; those are adopti

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