DIY Calc Kit

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
calculatorway Best free online calculator
Omni Calculator Helping you make rational decisions, one calculation at a time.
DIY Material Calculators Instant free calculators for mulch, gravel, topsoil, sand, concrete, sod, and pavers. Get cubic yards, bags, or piece counts in seconds – no signup required.
DIYdigits DIYdigits offers accurate and easy-to-use calculators for home improvement and DIY projects. Find the right tools for your next project.
CommunityCalculator A wide collection of free online calculators for construction, finance, health, math, and daily utilities.
C CalcBarn Free, accurate home improvement and construction calculators. Estimate concrete, paint, flooring, mulch and gravel in seconds. No sign-up, mobile friendly, instant results.
RenoCostLab Free instant cost calculators for any home project
vividoo AI Home Design in Seconds

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

Product
Hello Charles Turn Conversations into Conversions.
IdeasAI AI-generated startup ideas
Konstruktor Konstruktor is an online tool that allows you to build LEGO models and visual infrastructures with the help of built-in bricks and other sub-units quickly.
ZimaPDF The best free privacy-first PDF editor online. Merge, split, compress, crop, and edit PDFs. Fast secure and 100% free.
MapChat Simple location-based chat web app
PictUp The fastest camera app for Notion users.

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

Product
真真翻譯 Multi-language translation for travel and work
TimeToolsLab Calculate time ago, count down to a clock time, add or subtract calendar dates, and find time from now — free, with no signup.
The No-Fluff AI Tools List The No-Fluff AI Tools List
Subvanta See the full cost of recurring spend

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

Profile
Technomanagers IIM Bangalore & IIT Kanpur alumni are helping you land your dream career in Management or Technology.
David Allen American productivity consultant and author
N Nils Brechbühler entrepreneur / consultant / author

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

Show
Top SaaS & AI Tools YouTube · 130K subscribers
Ai & SaaS Lab YouTube · 10K subscribers
Rajan_Facts_YT YouTube · 401K subscribers

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

Story
Buffer's first paying customer arrived four days after a seven-week build Joel Gascoigne validated Buffer with a two-page landing flow, spent seven weeks of evenings and weekends on a minimal product, launched on 30 November 2010, and recorded a first paying customer within four days.
Tibo stated sub-$2M ARR at sale and $6–7M later, not catalog $3.5M In a January 2024 Bootstrapped Founder interview, Thibault Louis-Lucas did not quote a $10M sale price or $3.5M ARR; he said Lempire acquired them below $2M annual recurring revenue and that they were nearing $6–7M, with
Tally's March 2024 letter is $100k MRR, not a $3M ARR stamp Marie Martens wrote that Tally, launched in summer 2020 with Filip, hit $100k monthly recurring revenue in February 2024 with a bootstrapped team of three and more than 250,000 users; this record uses those founder label
Ajay Goel priced GMass after a free year, not after an ARR headline Ajay Goel’s own GMass posts give send volume, user counts, and plan prices. In a later interview he described a $10,000 first build, a free first year, and $10,000 to $20,000 a month after the paywall. He did not state $

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