HNGTools

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
calculator.net Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Omni Calculator Helping you make rational decisions, one calculation at a time.
Calculatorica 1,000+ free online calculators for math, finance, health, science, construction, and everyday use. Includes formulas, worked examples, and educational content — no sign-up needed.
The Subscription Tracker Subscription Tracker - Stop losing money to forgotten subscriptions. Track and manage all your subscriptions, get smart alerts, and control your recurring payments.
Sleep Calculator Want to wake up in a good shape?
Calorie Calculator Calorie Calculator is a calorie measuring calculator that analyzes how many calories, proteins, and carbs you should take according to your goals.
Habit Tracker A crazy no-code habit tracker to make habits stick
PercentageTools.com Percentage calculator, online calculates percentage in many situations, simply enter the numbers and get the result and the formula of calculation.

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

Product
AdCast Create ads on your phone and cast to Android TV with AdCast. Build playlists, schedule content, and update shop-window displays remotely—no USB, no hassle.
Local Manager App Dominate local Google search with AI. Automate posts, reviews & ranking tracking — all in one platform built for local businesses. Local Manager is an all-in-one AI-powered platform built for local businesses to dominate
Simple Backlink Checker Uncover your competitors' link strategies with our powerful backlink checker.
Tabkeel Website auditing tool for AI-built SaaS: finds broken links, contradictory pricing and pages AI cannot read, each with a paste-ready fix.
V Bundles Maximize Shopify AOV with high-converting bundles, volume discounts, and BOGO deals. Zero risk with our usage-based pricing model.
PinMeTo Get found, chosen, and trusted with PinMeTo. An Agentic AI-powered marketing platform built for multi-location brands to dominate search, maps, social, and AI.

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

Product
Aelo Measure and grow your brand's visibility in AI answers
Revmrr Discover Startups. Explore Revenue. Find Opportunities.
ConvertBetterAds Native ads built on what keeps winning, new every week
Crush on You Write a love letter or crush confession, send it as a private link and get a Yes, Maybe or No reply.

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

Profile
SaaS Report YouTube · 1K subscribers
Edward Sturm SEO, digital marketing, organic social media marketing, growth hacks, and founder stories.
What a Story - The Video Partner for SaaS & AI Welcome to What a Story, your go-to partner for premium explainer videos and product demo videos specifically designed for SaaS, Tech and AI companies.

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

Show
Sanjeev NC | SaaS & AI Tamil YouTube · 21K subscribers
Alston Antony - AI SEO Expert YouTube · 4K subscribers
AI Marketing & Creator Tools YouTube · 1K subscribers

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

Story
ConvertKit's $5,020 MRR in 2015 is not the 2020 ARR clock Nathan Barry's March 2015 essay records ConvertKit at $5,020 monthly recurring revenue after 26 months and $55k invested; a later year-in-review he wrote for 2020 states ARR grew from $19.83 million to $25.85 million, a
Justin Duke’s 2021 review peaked at $10,105 MRR, not a $392k year Justin Duke’s 25 December 2021 year-in-review states Buttondown peaked at $10,105 MRR, ended the year south of that peak, and logged 23 million emails sent. He did not state $392,000 for the year in that post. The angle
Damon Chen posted $100,000 ARR after nine months of building Testimonial in public Damon Chen says he launched Testimonial.to on Product Hunt and Indie Hackers in December 2020 with a $199 lifetime deal, quit after hitting $1,000 MRR in March 2021, and on 5 October 2021 wrote that the project had just
Tim Soulo says bootstrapped Ahrefs crossed $100 million ARR without a sales team stack Tim Soulo, Ahrefs' first marketer and later CMO, has said in his own LinkedIn words that bootstrapped Ahrefs crossed $100 million ARR, and in a Dreamdata interview he described expert content, YouTube from his first mont

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