19,909 AI startups, ranked by real attention

spaceplanner.co

spaceplanner.co

Draw rooms, homes, gardens and outdoor spaces directly in your browser. No signup needed.

SpaceFree

spacefree.net

SpaceFree is the storage debugger for developers. Find gigabytes trapped by WSL2/Docker virtual disks that grow but never shrink, plus npm, pip, conda, nuget, cargo, and IDE caches. One-click VHDX compaction reclaims real disk space safely. Every scan result shows a plain-language explanation, safety tier, and rebuild steps before you delete anything - nothing is removed automatically. Deletions go to the Recycle Bin by default, with a full audit log of every action.

Space Heroes Holdings LLC

facturapp.online

Software Developer Group

Soxoa

soxoa.com

Soxoa builds and operates practical AI systems for small businesses. Its portfolio includes MentionedOn for AI visibility, Intakra for buying signals, and RegSentry for website privacy monitoring. Verified revenue is consolidated across Soxoa LLC’s shared Stripe account and represents the portfolio, not any single product.

SOVEREIGN LEADS LIMITED

theleadguy.online

Provides lead generation services for trades and construction companies

Southern East Inc.

invoicemama.com

Create professional invoices, track payments, and manage your finances with ease. Perfect for freelancers and small businesses.

SoundToMIDI

soundtomidi.com

Change Any Sound To MIDI.

SoundScrub

soundscrub.video

SoundScrub is a desktop app that cleans up audio in videos and audio files. Describe a sound in plain language and it removes, isolates, or lowers it with AI. Remove background noise from a video, remove wind noise, remove background music but keep the voice, or strip copyrighted music to avoid Content ID claims and demonetization. Pay-per-use at $0.25 per 30 seconds, no subscription. Works alongside Premiere Pro, DaVinci Resolve, and Final Cut Pro. Available on Mac, Windows, and Linux.

SoundRise

soundrise.io

SoundRise helps artists promote their music through automated TikTok videos.

SoundBoost.ai (formerly Diktatorial)

soundboost.ai

AI music mastering with text prompts, guide the AI with words and hear the magic. Includes a free stem splitter as well.

Souna

souna.app

Souna is a music streaming platform for AI artist to connect with one another and get discovered, certified, charted, and streamed. We offer a 2 sided marketplace where listeners donate to their favorite artists and artists are able to purchase our premium plans to boost their creative capabilities on our platform.

sotie: AI Best Friend

Startup

Self-discovery companion

SoScripted

soscripted.com

SoScripted provides video transcription infrastructure for AI agents, creators, and businesses. We transcribe content from YouTube, Instagram, TikTok, X, Facebook, LinkedIn, and Pinterest — delivering structured text through a public API purpose-built for AI agent workflows, batch processing, and automated monitoring.

Sorrycard

sorrycard.app

A sorry card beats a thousand texts. Design a personalized apology card in under a minute, then send it or print it.

sorastrip

sorastrip.app

Sorastrip is an API-first Sora watermark remover that removes watermarks in 3–5 seconds.

soracai.com

soracai.com

It's an Online AI Image Generator for a now. We'll charge users before the image processing. They'll be buying coins to generate photos.

Sora Era - Solomaxxing

Startup

Solo Era turns doing things alone into a game. Every week you get one real-world mission, like eating out by yourself, going to the cinema solo or chatting with a stranger. Rate your anxiety before and after and watch your fear curve drop as your level climbs. XP, streaks, a private journal and a growing mission library keep you going. Built by one solo dev for anyone who wants more confidence without waiting for company.

Sopravo

Startup

Sopravo is a private AI meeting recorder for iPhone. It records meetings, transcribes them with speaker labels, and generates AI summaries entirely on-device in 16 languages. Nothing is uploaded: there is no backend, and sync runs through the user's own iCloud. Monetized with subscriptions and a limited lifetime tier via RevenueCat, with a 7-day free trial.

Sonora AI

Startup

For sale

Fully Organic iOS App | 20+ Month-Old iOS App | $4450+/Month | $100K+ Lifetime Revenue | 100K+ Lifetime Users | 500+ Subscribers

SoniCast

sonicast.app

For sale

Turn Any Content Into Professional Podcasts Transform documents, YouTube videos, or any topics into engaging podcasts with multiple voices, customizable styles, and professional audio quality in minutes.

Sondeo

sondeo.app

Sondeo turns real customer data into ready-to-use marketing. Describe your product in 2 sentences: Sondeo analyses Amazon reviews, Reddit threads, forums, social comments and competitor pages, then builds 3-5 detailed customer avatars — motivations, fears, objections, buying triggers and the exact words your customers use. Every insight is sourced, never invented. Then generate ad hooks, chat with your avatars to test a price or an offer, and score your creatives before spending a cent.

Sonata

sonata-ca.com

Transcription service for converting audio links into clean piano sheets.

Turn any idea into a real song in seconds. Type a prompt, pick a style, get studio quality AI music with vocals, beats and lyrics.

Sonar - ASO tool

trysonar.app

Sonar is a cloud-based SaaS platform for App Store Optimization (ASO). Customers subscribe to monthly or annual plans to access keyword research, rank tracking, and competitor analysis tools for mobile apps. Payments are recurring subscriptions processed through Stripe.

Solvent Global

solventglobal.com

Important: A significant portion of recurring revenue is processed through Whop (separate billing platform) and is NOT reflected in the Stripe MRR or all-time totals shown above. Actual MRR is meaningfully higher.

Solo Content Studio

solocontent.studio

The best AI writing app for coaches who want the content volume of a team, without sacrificing the voice that's unmistakably yours.

SoldComps

sold-comps.com

eBay sold comps API for resellers and analysts. One keyword returns up to 200 completed sales with real prices, conditions, and dates.

SolarPulse

product.solar-pulse.ai

SolarPulse is a subscription software platform (SaaS) for door-to-door solar sales teams. Closers and their setters use it to generate instant, AI-powered solar savings reports for homeowners and capture those homeowners as attributed sales leads in a dashboard. We bill closers a recurring monthly per-seat subscription for access to the platform.

SognoAI

sognoai.com

Chat with AI characters. SognoAI offers credit based subscription service for users to generate images and create, chat with AI characters.

Sociano

sociano.app

For sale

iOS app that reduces social media use without making users delete social media. Users can block Reels, Shorts, feeds, or entire apps, set daily limits and focus schedules, track screen time, and still use messages, search, and posting.