JoinCalc

Products from the same category with overlapping descriptions or details. They are not reviewed alternatives; compare features and current plans before choosing.

Product
Global VAT & Tax Calculator Compliance-aware tax calculations for 80 plus countries
RootUtils A collection of free privacy-focused tools & utilities
PaycheckWiz Calculate your take-home pay after federal & state taxes
VAT Engine EU VAT calculation and compliance API for e-commerce
KrosAI AI-Native Telecom Infra for AI Voice Agents
SpeechifyAI Simba Voice Agents Voice agents powered by Simba 3.2 the world's #1 voice model
Coding harness for C/C++ developers Debugs more than 40% of Multi SWE Bench C/C++ tasks
Cerebrumma One Brain. Any Tool.

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

Product
SandyWP WordPress sandbox, instantly.
HAR File Viewer Inspect HAR waterfalls in-browser
Coplex.dev Code/vibe on an infinity of canvas.
Diskaroo See where your space went — and get it back.
Markd.ly The markdown editor that respects your output.
Oh My Opencode Slim Turn your AI coding assistant into a task orchestrator

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

Product
Skyelight Website and prototype feedback for teams and AI agents
NotchStack Sales, AI limits and agent alerts in your Mac's notch
see.io Describe your idea, get a live website in minutes
Mahvex All your developer needs — tools, news, downloads, one place

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

Profile
J.Baci Frontend Developer with 3+ years of experience building enterprise and freelance web applications using React and modern JavaScript
Romit Raj Developer • Freelancer • Product Builder (Open to freelance & need interships ) Creating real-world digital products with modern web technologies.
Chandrika Deb Software Engineer at Amdocs |

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

Show
Dmytro’s Substack Newsletter · Dmytro Krasun
TechnoBizzVault Newsletter
Tech World With Milan Newsletter Newsletter · Dr Milan Milanović

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

Story
Tailwind UI's $2 million was five months of a commercial product, not a URL typo Adam Wathan's August 2020 essay says Tailwind CSS had about 10 million installs and that Tailwind UI, then about five months old, was about to cross $2 million in revenue, figures he stated himself beside a slug that mis
ScreenshotOne took three years to $10k MRR and eight months to $20k Dmytro Krasun says ScreenshotOne reached $10k monthly recurring revenue in September 2024, almost three years after launch, then $20k in June 2025, and that the second number changed how much more money still drove him.
AJ said Carrd was about $1.2M ARR and he spends time on the product, not campaigns AJ told SaaS Club Carrd was about $100k MRR, about $1.2 million ARR, and that with two people he invests time in the builder rather than in finding ways to market it; he did not, in the sources fetched here, state $2M AR
WP Engine passed $100M ARR after Cohen made thirty people say they would pay $49 Jason Cohen says he did not start WP Engine until 30 people said they will pay $49 a month, 20 of them did, and in January 2018 he reported the company had passed $100 million ARR and closed $250 million from Silver Lake

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