AI Tools Directory

Find the right AI tool for the job

Search 4,955 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.

4,955 tools 2,965 free or freemium 399 open source

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All AI tools

4,955 tools

Spacelift

by Spacelift

Infrastructure orchestration for seven IaC tools with OPA policy enforcement and stack dependencies.

Best for: Coding & Development

Pricing: Freemium

Limitation: Paid-tier pricing varies across sources; verify with vendor

Spacely AI

by Spacely AI

Generative AI renderer for architects and designers: photorealistic room renders from photos, sketches, or SketchUp in under 60 seconds.

Best for: Image & Design

Pricing: Freemium

Limitation: Advanced use is credit-based, which can add up for heavy users

Spacesheep

by Spacesheep

Turns any agent's output into a visual "space" — a document, mockup, dashboard, app or art — that your team can read, comment on line by line, and have the AI fix in place, with every version synced to your own Google Drive or GitHub.

Best for: Teams that want agent output as readable, commentable visuals instead of long chat transcripts

Pricing: Freemium

Limitation: No pricing details on the official site beyond free to start

Spark Mail

by Readdle

Cross-platform smart email client with AI writing help, meeting notes, and team collaboration.

Best for: Writing & Content

Pricing: Freemium

Limitation: Feature availability differs between desktop and mobile apps

Sparkle

by Every

AI Mac cleaner and file organizer that auto-sorts downloads and documents.

Best for: Productivity

Pricing: Paid

Limitation: Mac-only; no Windows or web version

SparkReceipt

by Valorbyte Oy

AI receipt scanner and pre-accounting app for freelancers and small businesses.

Best for: Business & Data

Pricing: Freemium

Limitation: Not a full accounting replacement

SparkVid

Multi-model AI video maker bundling Seedance, Kling, Veo, and Sora for text-to-video, image-to-video, and natural-language edits.

Best for: Video & Audio

Pricing: Freemium

Limitation: Output quality varies between models and source material

Sparrow-2

by Tavus

Tavus's real-time dialogue model that knows when a voice AI should listen, wait or speak.

Best for: Coding & Development

Pricing: Paid

Limitation: Only available inside the Tavus platform and API, not standalone

Spawn

AI game-creation platform with a companion that helps you build and play games in the browser.

Best for: Lifestyle

Pricing: Freemium

Limitation: Limited compared to professional game engines

Lifestyle

Speak

by Speak

AI-powered speaking tutor that coaches you through real conversations with instant pronunciation feedback.

Best for: Speak is a speaking-first AI language tutor that gets you talking from day one.

Pricing: Freemium

Limitation: Pricing varies by region and is not published upfront

Speech Studio

by Microsoft

Microsoft's web portal for AI speech services.

Best for: Video & Audio

Pricing: Freemium

Limitation: Portal, not a standalone product

Speech To Note

Speech-to-text note capture that turns voice into organized notes.

Best for: Video & Audio

Pricing: Paid

Limitation: Limited feature information available publicly

SpeechLab

by Speechlab

AI dubbing and speech-to-speech localization platform preserving original voices.

Best for: SpeechLab is an AI speech-to-speech platform for video and audio localization.

Pricing: Freemium

Limitation: Output quality depends on source audio

Spell

by Spline

Spline's AI model that generates 3D worlds from an image.

Best for: Image & Design

Pricing: Freemium

Limitation: Early-stage with limited access

Spellbook

by Spellbook

End-to-end AI contract system in Word covering intake, drafting, review, playbooks, and a contract repository.

Best for: Business & Data

Pricing: Paid

Limitation: No public pricing; quotes are custom, with third-party estimates reaching $99-$350+ per user per month

Spellmint

by Hurrae Ventures

AI planning assistant that turns ideas into product, marketing, and business documents.

Best for: Spellmint is an AI-powered planning assistant for teams.

Pricing: Freemium

Limitation: Broad scope may mean shallow depth per function

Spike

Chat-style AI email client with team chat, tasks and calls built in.

Best for: Writing & Content

Pricing: Freemium

Limitation: AI features are capped at 10 queries on the free plan.