AI Tools Directory

Find the right AI tool for the job

Search 4,966 AI tools across 12 categories — compare what each tool does, what it costs, and who it is for. Every listing links to the official website.

4,966 tools 2,974 free or freemium 400 open source

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All AI tools

4,966 tools

Skymel

by Skymel

ARIA by Skymel is an AI assistant that orchestrates GPT, Claude and Gemini per query to return one best answer.

Best for: Education & Learning

Pricing: Paid

Limitation: Still in beta, so feature set may shift

Skyscanner

by Booking Holdings

Global flight metasearch whose AI turns plain-English requests into live-priced flight options.

Best for: Lifestyle

Pricing: Free

Limitation: Savvy Search and AI tools are primarily app-based, not on desktop

Lifestyle

Skyvern

by Skyvern

AI agents that automate workflows natively inside any website's browser

Best for: Automation & Agents

Pricing: Open Source

Limitation: Paid cloud plans for hosted usage

Slay School

by Rally Technologies Inc.

AI study assistant that turns notes, lectures, and videos into flashcards and quizzes.

Best for: Education & Learning

Pricing: Freemium

Limitation: Full feature set requires a paid subscription

Sleek

by Sleek

AI agents for financial advisors, trained on Canadian financial publications.

Best for: Business & Data

Pricing: Freemium

Limitation: Canada-focused content

Sleep Cycle

by Sleep Cycle AB

AI sleep tracker with sound-based analysis, a smart alarm that wakes you in light sleep, and an AI coach.

Best for: Lifestyle

Pricing: Freemium

Limitation: Sleep-stage accuracy has been questioned in independent tests

Lifestyle

Slidebean

by Slidebean

AI pitch deck builder for startups with investor tools, financial modeling, and deck analytics.

Best for: Productivity

Pricing: Freemium

Limitation: Existing PowerPoint decks cannot be imported — you rebuild from templates.

SlidesAI

AI add-on that converts text, prompts, and documents into editable Google Slides presentations right inside the app.

Best for: Productivity

Pricing: Freemium

Limitation: Slide layouts and designs can feel repetitive

SlideSpeak

by SlideSpeak

AI tool that converts PDFs, Word docs, and web pages into native PowerPoint decks.

Best for: Productivity

Pricing: Freemium

Limitation: Free plan is limited to a few presentations and online sharing only.

SlidesPilot

AI PowerPoint generator that converts docs, videos, and links into editable slides.

Best for: Productivity

Pricing: Freemium

Limitation: AI struggles with complex data visuals and large files.

SlideWhisper

AI narration that turns slide decks into self-playing presentations.

Best for: Productivity

Pricing: Freemium

Limitation: Voice quality varies by language

Slite

by Slite

AI knowledge base that answers team questions

Best for: Productivity

Pricing: Freemium

Limitation: AI Ask is a feature, not standalone

Sloped

by Sloped

Ask business data questions in plain language instead of writing API queries.

Best for: Search-first data exploration platform.

Limitation: No public pricing information available

Sloyd

by Sloyd

AI 3D model generator for games — text and image-to-3D with editable templates and game-engine exports.

Best for: Lifestyle

Pricing: Freemium

Limitation: Guest users cannot download their own models

Lifestyle

Smallest.ai

by Smallest AI

Ultra-low-latency voice AI models and a voice agent platform

Best for: Video & Audio

Pricing: Freemium

Limitation: Developer/API-first — less friendly for casual users

SmallTalk2Me

by SmallTalk2Me

Free AI English speaking coach with CEFR level test, IELTS simulator and interview practice.

Best for: SmallTalk2Me is a browser-based AI English speaking coach used by 3M+ learners.

Pricing: Freemium

Limitation: English-only

Smart Calendars AI

AI calendar app that reads voice, text, and images to manage your schedule.

Best for: Productivity

Pricing: Freemium

Limitation: New product from 2025, still maturing

Smart Jelly

by Smart Jelly

Private personal AI for Mac: chat, voice, dictation, meeting notes, documents and agents joined by one on-device memory of your work.

Best for: Mac users who want one private AI that remembers their work across chat, voice and meetings

Pricing: Freemium

Limitation: Mac only

SmarterDx

by SmarterDx, Inc.

Clinical AI for hospital revenue integrity and coding accuracy.

Best for: Lifestyle

Pricing: Paid

Limitation: Enterprise pricing out of reach for small practices

Lifestyle

Smartlead

by Smartlead

Cold email infrastructure platform with unlimited mailboxes, AI warm-up, and AI agents built for high-volume outbound.

Best for: Marketing & Sales

Pricing: Paid

Limitation: Email-only sequences — LinkedIn and SMS need a second tool

Smartling

by Smartling

Enterprise AI translation platform with a neural MT hub, code-free website translation, and integrated language services.

Best for: Writing & Content

Pricing: Paid

Limitation: Reviewers describe the UI as dated and clunky compared to newer TMSs