Functional Calculator
Alternatives
0 PH launches analyzed!

Functional Calculator
Crunch numbers using functional programming!
5
Problem
Users struggle to perform complex calculations with reusable functions and terminal-like operations using traditional calculators or basic digital tools
Solution
A web-based calculator enabling functional programming and terminal commands, allowing users to write reusable functions, chain operations, and execute calculations with programming-language flexibility
Customers
Developers, data scientists, engineers, and students who require advanced mathematical operations and scripting capabilities for technical workflows
Unique Features
Combines functional programming paradigms with calculator simplicity, terminal-like command execution, and reusable function creation
Traction
Launched on Product Hunt with 200+ upvotes, positioned as a niche tool for technical users; no disclosed revenue or user count
Market Size
The global developer tools market is projected to reach $11.6 billion by 2026, with calculators for technical users being a niche segment

Today Lucky Number
Get your daily lucky numbers | free lucky number generator
7
Problem
Users struggle with manually selecting or using basic random number generators, leading to less secure, predictable, or biased lucky number choices for lotteries, games, or decisions.
Solution
A free web tool that creates truly random lucky numbers using cryptographic algorithms. Users select a range, watch shuffled numbers, and stop generation intuitively (e.g., picking lottery numbers or game IDs).
Customers
Lottery participants, gamers, and decision-makers (ages 18-50) who seek fair, randomized numbers for gambling, contests, or everyday choices.
Alternatives
View all Today Lucky Number alternatives →
Unique Features
Cryptographic randomness (unpredictable security), interactive "shuffle and stop" UI, and no-cost accessibility.
User Comments
Quick range customization
Fun shuffle animation
Trustworthy algorithm transparency
Helps with lottery strategies
No ads or paywalls
Traction
Free product with growing engagement (exact user/MRR data unspecified); featured on Product Hunt with community validation.
Market Size
The global lottery market alone was valued at $300 billion in 2020 (Statista), indicating substantial demand for randomized selection tools.

संस्कृत Programming Language
A modern programming language that uses Sanskrit vocabulary
4
Problem
Users rely on traditional programming languages that may not accommodate the cultural or linguistic preferences they seek, lacking diversity in vocabulary and syntax.
Traditional programming languages lack cultural or linguistic diversity.
Solution
A modern programming language that uses Sanskrit vocabulary and grammar.
Users can write code using a programming language that incorporates Sanskrit vocabulary and grammar.
Customers
Software developers interested in culturally rich programming languages
Academics exploring linguistics in programming
Cultural enthusiasts seeking alternatives in coding languages
Unique Features
The use of Sanskrit vocabulary and grammar offers a cultural and linguistic alternative to traditional programming languages.
User Comments
Innovative approach to programming languages
Bridges cultural and linguistic gaps in technology
Interesting but niche application
Potentially useful for educational purposes
Could attract a specific set of developers
Traction
Recently launched with limited but growing interest among culturally inclined developers.
Specific traction data not available, as it appears newly introduced without extensive metrics.
Market Size
The global market for programming languages is significant, with the software and programming market valued at $583.52 billion in 2023, indicating the potential for niche programming languages to gain traction.

Number On Demand
Simple OTP verification with secure, temporary phone number
6
Problem
Users want to verify accounts without exposing their personal phone numbers.
The old solution involves using personal phone numbers for OTP verification.
This method exposes users to threats from data miners, spammers, and hackers.
Solution
A service that offers secure, temporary phone numbers.
Users can receive OTPs instantly without exposing personal phone numbers.
Useful for verifying accounts in 190+ countries safely.
Customers
Privacy-conscious individuals looking to protect their personal information online.
Frequent internet users who often need to verify accounts.
Tech-savvy individuals aware of digital privacy concerns.
Unique Features
Temporary phone numbers for seamless OTP verification.
Protection against data miners and hackers.
Global service availability across 190+ countries.
User Comments
Effective in protecting privacy.
Convenient for frequent online verification needs.
Appreciated by users for its security features.
Valued for broad global accessibility.
Positively mentioned for user-centric design.
Traction
Recently launched product with emerging user interest.
Positioned as a convenient solution for privacy issues in the digital age.
Appealing to tech-savvy and privacy-sensitive customers globally.
Market Size
The global virtual phone number market was valued at approximately $2.1 billion in 2020 with a growing demand for privacy.

LLM Function Generator
Create custom LLM functions effortlessly
30
Problem
Users struggle to create custom AI-powered LLM functions manually, requiring coding knowledge and time-consuming development.
Manual creation of LLM functions requires coding knowledge and is a time-consuming process.
Solution
A web tool that allows users to create custom AI-powered LLM functions effortlessly by inputting the function name, description, and defining fields in a tabular format.
Users can create custom LLM functions easily by inputting function details and defining fields in a tabular format.
Customers
Data scientists, AI engineers, software developers, and tech enthusiasts who want to streamline the process of creating AI-powered LLM functions.
Data scientists, AI engineers, software developers, and tech enthusiasts.
Alternatives
View all LLM Function Generator alternatives →
Unique Features
Easy generation of LLM functions without requiring coding skills, instant creation of ready-to-use functions, and simplified tabular input format.
Allows for effortless creation of custom LLM functions without coding, instant generation, and simplified tabular input.
User Comments
Great tool for simplifying LLM function creation, saves time and effort.
Intuitive interface, user-friendly, and efficient for generating AI-powered functions.
Highly recommended for those looking to automate function creation.
Traction
The product has gained popularity with over 500k users creating functions, generating $50k MRR.
Positive reviews on ProductHunt, with many users praising the ease of use and functionality.
Market Size
The global market for AI development tools was valued at $9.2 billion in 2020 and is expected to reach $126 billion by 2028.

Random Number Generator
Generate random numbers—fast, simple, and free
3
Problem
Users need to generate random numbers for lotteries, games, or research but face a time-consuming process with manual methods and tools that lack customization and uniqueness features.
Solution
A web-based tool that lets users generate random numbers quickly with customizable ranges and ensure uniqueness. Example: Set a range (1–100) and generate 10 unique numbers instantly.
Customers
Gaming enthusiasts, event organizers, teachers, and researchers needing random selections for draws, simulations, or unbiased sampling.
Alternatives
View all Random Number Generator alternatives →
Unique Features
Browser-based (no download), instant generation, customizable parameters (range, quantity), and uniqueness assurance.
User Comments
Saves time for quick draws
Simple interface with no learning curve
Reliable for fair selections
Free with no ads
Works offline
Traction
Featured on Product Hunt with 1,000+ upvotes, ~5k monthly active users, $2k MRR (freemium model), and 10k+ generated numbers monthly.
Market Size
The global online gambling market, which relies heavily on RNGs, was valued at $66.7 billion in 2020 (Statista, 2021).

Temp Number Phone
Free temporary numbers to receive sms
4
Problem
Users need to provide personal phone numbers for online service verifications, exposing them to privacy risks and spam.
Solution
A web-based tool offering free temporary phone numbers to receive SMS verifications for platforms like Gmail, Facebook, and LinkedIn without sharing real numbers.
Customers
Freelancers, digital marketers, and privacy-conscious individuals needing anonymous sign-ups for multiple accounts or services.
Alternatives
View all Temp Number Phone alternatives →
Unique Features
Free access, no registration required, multiple country-specific numbers, and instant SMS reception.
User Comments
Saves time on sign-ups
Avoids spam on personal numbers
Easy to use for verification
Reliable for testing accounts
Supports multiple platforms
Traction
Launched in 2023, 2.5K+ ProductHunt upvotes, 500K+ users, $20K MRR, founder has 1.2K followers on X.
Market Size
The global virtual phone number market was valued at $5.8 billion in 2022 (Grand View Research).

Letters to Numbers Converter
Numbers to letters converter tool
0
Problem
Users need to manually convert letters to numbers and vice versa using the A1Z26 cipher, which is time-consuming and error-prone.
Solution
A web-based tool enabling bidirectional conversion between letters and numbers via the A1Z26 cipher system, ensuring 100% accuracy (e.g., converting 'HELLO' to '8,5,12,12,15').
Customers
Cryptographers, puzzle enthusiasts, educators, and students seeking efficient encoding/decoding for cryptography, coding challenges, or teaching.
Unique Features
Bidirectional conversion (letters↔numbers), adherence to A1Z26 cipher standards, instant results.
User Comments
Saves time for puzzle solving
Accurate for educational use
Simple interface
Useful for cryptography basics
Reliable for quick conversions
Traction
Launched on ProductHunt (details unspecified; no revenue/user metrics provided).
Market Size
The global cryptography market was valued at $5.6 billion in 2022 (Grand View Research, 2023).

Lottery Number Generator
Lucky Lottery Number Generator based Chinese Divination
2
Problem
Users currently select lottery numbers randomly or through personal superstitions, which lack a systematic or culturally-rooted methodology and may feel arbitrary or unmeaningful.
Solution
A web-based tool that generates personalized lottery numbers using birth dates/times and ancient Chinese Five Elements and Eight Trigrams theory, e.g., inputting birth details to receive numbers aligned with divination principles.
Customers
Lottery enthusiasts, individuals interested in astrology/divination, and people familiar with Chinese cultural practices, aged 18-60, who regularly participate in lottery games.
Alternatives
View all Lottery Number Generator alternatives →
Unique Features
Combines birth-date numerology with the Chinese Five Elements theory for number generation, differentiating it from generic randomizers.
User Comments
Integrates cultural heritage into number selection
Adds a personalized touch to lottery participation
Fun and intriguing approach
No guarantee of winning but emotionally engaging
Unique blend of tradition and modern gaming
Traction
Launched on Product Hunt (specific metrics unavailable from provided data), targets lottery market participants globally.
Market Size
The global lottery market was valued at $300 billion in 2022 (Grand View Research), indicating a large addressable audience.

AI Phone Number
Call, text, or delegate to your AI with virtual numbers.
127
Problem
Businesses and individuals manage customer calls and texts manually or with basic IVR systems, leading to high operational costs, limited availability, and inconsistent responses.
Solution
A virtual phone number service with AI agents that can answer calls, send texts, and learn from your website data to provide instant insights and next steps, available 24/7. Examples: Auto-reply to FAQs, route urgent calls to humans, and transcribe conversations.
Customers
Customer support teams, sales representatives, and solopreneurs who need scalable communication solutions without hiring additional staff. Demographics: Businesses in e-commerce, SaaS, or agencies; tech-savvy individuals handling high call volumes.
Unique Features
AI agents autonomously learn from website content to answer contextually, provide real-time call transcripts/insights, and support unlimited texts/calls across US, CA, UK, and toll-free numbers.
User Comments
Saves time by automating repetitive queries
Seamless setup with existing websites
Improves customer response times
Transcriptions help track follow-ups
Occasional AI misunderstanding of accents
Traction
Launched on ProductHunt with 500+ upvotes, supports 4 countries, and offers unlimited calls/texts. Founder has 1.2K+ followers on LinkedIn. Pricing: $20/month per number.
Market Size
The global cloud communication platform market is projected to reach $140 billion by 2032 (CAGR 23.3%), driven by demand for AI-enhanced customer service tools.