Find the right AI tool for the job

Sixtyfour

by Sixtyfour AI

Company intelligence API that extracts structured data on any business.

Best for: Education & Learning

Pricing: Paid

Limitation: Paid only, no free tier found

Sizebay

by Sizebay

Virtual fitting room and smart size charts for fashion e-commerce, with AI size recommendations for brands.

Best for: Image & Design

Pricing: Freemium

Limitation: B2B only — no consumer app

SizeSense

by SizeSense

AI size recommender that accounts for fabric elasticity, claiming 94% accuracy for fashion shoppers.

Best for: Image & Design

Pricing: Paid

Limitation: Newer entrant — smaller client base

Sizzle AI

by Sizzle AI

Free AI tutor that guides students step by step through homework problems.

Best for: Education & Learning

Pricing: Free

Limitation: Strongest at STEM subjects; weaker elsewhere

SkedPal

by Tempus Computer Systems Design

Veteran AI auto-scheduler with time maps and priority boards that builds realistic adaptive daily plans.

Best for: Productivity

Pricing: Paid

Limitation: Dense, utilitarian interface with a real learning curve

SkeletIQ

by Sabhahith Works

Turns prompts into critiqued system architectures that coding agents can build from.

Best for: Coding & Development

Pricing: Freemium

Limitation: Generations cost credits and take minutes, so designing is not instant.

Skene App

by Skene

AI platform that auto-generates onboarding from your codebase and keeps it in sync.

Best for: Automation & Agents

Pricing: Freemium

Limitation: Early-stage startup with limited public track record

Sketch2App

by Sketch2App

Turns hand-drawn sketches into functional app code.

Best for: Coding & Development

Pricing: Freemium

Limitation: Best results need clean, clear sketches

Sketchflow

AI app builder that generates multi-screen native apps with exportable source code.

Best for: Coding & Development

Pricing: Freemium

Skiddee

AI video generator that turns prompts or scripts into finished videos.

Best for: Video & Audio

Pricing: Paid

Skillduck

by i40

AI e-learning authoring platform for fast corporate training content.

Best for: Education & Learning

Pricing: Freemium

Limitation: Corporate-training focus may not suit solo learners

Skills.sh

by Vercel

Vercel's free registry of 100,000+ AI agent skills.

Best for: Automation & Agents

Pricing: Free

Limitation: Quality varies by skill author

Skillsize

Turn expert methods and frameworks into reusable AI Skills that run across ChatGPT, Claude and Copilot.

Best for: Automation & Agents

Pricing: Paid

Limitation: No public pricing visible on the site

SkimAI

by SkimAI

AI Gmail productivity tool that summarizes and manages your inbox.

Best for: Writing & Content

Pricing: Freemium

Limitation: Gmail only, no Outlook support

SkimIt.ai

AI article summarizer for quick reading.

Best for: Productivity

Pricing: Freemium

Limitation: Nuance can be lost

skingenerator.io

AI Minecraft skin generator that creates custom character skins from text descriptions.

Best for: Lifestyle

Pricing: Freemium

Limitation: Free generations are limited

SkipCalls

by SkipCalls

24/7 AI receptionist that answers calls, qualifies leads, and books jobs.

Best for: Automation & Agents

Pricing: Freemium

Limitation: Free version is limited

Skipit.ai

by Skipit.ai

AI summarizer for articles, videos, PDFs, and podcasts.

Best for: Productivity

Pricing: Freemium

Limitation: Summary quality varies by source

Skippership

AI website behavior analytics with session replays and heatmaps.

Best for: Marketing & Sales

Pricing: Freemium

SkipUp

by SkipUp

AI scheduling coordinator that follows up and books meetings on autopilot.

Best for: Productivity

Pricing: Freemium

Limitation: Async process; booking can take hours or days

SKULaunch

by SKULaunch

AI product-data onboarding and enrichment for retailers and marketplaces.

Best for: Marketing & Sales

Pricing: Paid

Limitation: Paid only

Sky

by Sky

AI assistant for macOS that carries out tasks from natural-language commands

Best for: Productivity

Pricing: Free

Limitation: macOS only

Skydive

by Anything

Platform for building AI coworkers that run on their own cloud computers inside your team's tools.

Best for: Automation & Agents

Pricing: Freemium

Limitation: Usage-based pricing can be unpredictable for teams with heavy agent workloads

Skygen

Persistent execution platform for long-horizon AI workflows

Best for: Automation & Agents

Pricing: Paid

Limitation: Paid only