Complete AI tools directory

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Squarefaceai

SquareFaceAI is a web-based AI avatar generator that converts selfies into square-faced pixel avatars in seconds, off...

Design Generators Freemium API available

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Squint

Squint is a lightweight desktop app that explains anything visible on your screen: press a hotkey, drag a box around...

Chat Freemium API not listed

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Squire

Squire is an AI-driven code review and quality platform that reviews code, writes pull request descriptions, enforces...

Coding Contact for pricing API not listed

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SRE.ai

SRE.ai is an AI-native platform for enterprise software delivery that unifies DevOps workflows in a single Command Ce...

AI Agents Contact for pricing API not listed

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Srefs.co

Srefs.co is a searchable library of Midjourney style reference codes (sref) — the world's largest collection of style...

Image & Design Freemium API available

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Stable Diffusion

Stable Diffusion is an image-generation model offered by Stability AI used for production-ready image generation and...

Image & Design Freemium API available

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Stable Diffusion API

Stable Diffusion API is a plug-and-play REST API for programmatic image generation using Stable Diffusion (SD 1.5, SD...

Image & Design Freemium API available

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Stable Diffusion Online (stablediffusionweb.com)

Stable Diffusion Online (stablediffusionweb.com) is a web interface for generating images, videos, photo effects and...

Image & Design Pricing not listed API not listed

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Stablediffusionai

StableDiffusionAI is an online Stable Diffusion/SDXL-powered text-to-image platform that enables users to generate hi...

Image & Design Contact for pricing API available

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Staccato

Staccato is an AI MIDI co-writer for musicians and producers. It generates, continues, accompanies, and rewrites MIDI...

Pricing not listed API not listed

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StageWhisper Lite

StageWhisper Lite is a free, on-device Mac app that listens to calls and produces local transcripts, summaries, and a...

Transcription Freemium API not listed

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Stansa

Stansa is an AI chat platform offering its own lineup of models in one subscription, with a free no-account trial and...

Chat Freemium API available

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starizonai

Starizon AI is an AI agent and browser assistant (Agent S6) that automates web actions, extracts and monitors web dat...

AI Agents Freemium API not listed

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Starkomand

Starkomand is a macOS agentic development environment that runs coding-agent CLIs such as Claude Code, Codex, and Cur...

AI Agents Paid API available

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StarQuiz

StarQuiz is an AI-powered formative assessment tool that turns course materials into quizzes and check-ins, grades wr...

Free API not listed

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starryai

starryai is a consumer-facing AI image generator and mobile app that creates images from text or emojis, offers uploa...

Image & Design Free API not listed

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starscout

StarScout AI is an AI-powered influencer discovery and campaign hub that understands brand requirements, continuously...

AI Agents Free API not listed

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StarSkirmish Hillclimb

StarSkirmish Hillclimb is a StarCraft: Brood War coding challenge in which Claude and GPT write C++ Protoss bots usin...

Coding Pricing not listed API not listed

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StartKit.AI

StartKit.AI is a purchasable, production-focused Node.js boilerplate that provides a complete SaaS app and pre-built...

Developer Tools Paid API available

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Startnew

StartNew is a web app that uses guided AI tools to generate tailored marketing strategies, investor-ready business pl...

Business Intelligence Free API not listed

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startupmate

StartupMate is an AI-powered platform for startup validation and market insights, aimed at entrepreneurs. The supplie...

Pricing not listed API not listed

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Startuptools

Startuptools is a Founder Operating System that guides founders from idea to execution with an AI co‑founder that hel...

Business Intelligence Freemium API not listed

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Starwell

Starwell is a verified data layer for AI that harmonizes official statistics into a single REST API and MCP server, r...

Research Free API available

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statuslin.es

statuslin.es is a community gallery of Claude Code status lines—copyable, previewed scripts and themes for terminal/s...

Developer Tools Contact for pricing API not listed

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StayCharted

StayCharted AI Model Trainer (AMT) is a no-code tool for training private text and image classification models from l...

NoCode / LowCode Free API available

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Stealthgpt

StealthGPT is a suite of AI-powered tools for humanizing, generating, and detecting AI-written text—offering a humani...

Generative Text Freemium API available

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Stealthwriter

StealthWriter is a web-based AI text humanizer and detector that rewrites AI-generated content to read naturally huma...

Copywriting Free API not listed

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Steerapp

Steer is a native writing assistant for macOS and Windows that instantly rewrites and improves emails and messages in...

Writing & Text Contact for pricing API not listed

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Stele

Stele is a hosted, invite-only shared memory (agentic ledger) for AI coding agents that provides a live project recor...

AI Agents Contact for pricing API available

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Stellaflow

StellaFlow is an AI-powered community management platform that helps businesses generate content ideas, create brande...

Social Media Freemium API not listed

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steno

Steno.ai builds custom "AI Twins"—branded, voice‑cloned AI models that represent experts, influencers, coaches, and b...

Voice & Speech Contact for pricing API not listed

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steosvoice

SteosVoice (formerly CyberVoice) provides high-quality neural voice AI and speech synthesis for creators and business...

Voice & Speech Free API available

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Steve AI

Steve AI is a patented, all-in-one AI video creation platform that transforms text, prompts, scripts, audio, and imag...

Video Generation Freemium API available

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Sticker Magic

Sticker Magic is an AI-powered sticker generation platform that creates digital stickers from simple text description...

Design Generators Paid API not listed

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Stiro

Stiro is an AI onboarding and customer success agent embedded in SaaS and web apps. Users describe a task in plain la...

Pricing not listed API not listed

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Stitch.ai

Stitch.ai is an AI-powered workspace that brings email, calendar, tasks, notes, contacts, files, sheets, and slides t...

Free Trial API not listed

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stockaivisor

Stockaivisor is an AI-driven financial analytics platform that applies generative AI, predictive analytics, and autom...

Finance Free API available

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stockgpt

StockGPT is an AI-powered financial research search tool for exploring earnings transcripts and other fundamental inf...

Finance Freemium API not listed

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StockLibrary.ai

StockLibrary.ai is an AI-powered platform for generating customized, royalty-free stock images on demand using user-p...

Image & Design Pricing not listed API not listed

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Stockmusicgpt

StockmusicGPT is a web platform that generates instant royalty-free stock music, sound effects, and AI song covers us...

Music Free API not listed

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stonly

Stonly is a knowledge platform for customer service that creates interactive guides and articles, pairs structured kn...

Chatbots & Assistants Contact for pricing API available

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Storefries

Storefries is a unified, data-driven local marketing platform for multi-location businesses that centralizes local se...

Marketing Free API not listed

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Storiesonboard

StoriesOnBoard is a story-mapping and product-planning SaaS that includes an AI story map generator to help teams cre...

Productivity Free API not listed

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Stormy AI

Stormy is positioned as an "AI employee" that automates creator campaign operations and ongoing follow-through — draf...

AI Agents Freemium API not listed

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story-boards-ai

AI-powered storyboard generator that transforms scripts and ideas into visual storyboards for filmmakers, ad creators...

Design Generators Free API not listed

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Storychief

StoryChief is an intelligent content marketing platform that helps teams plan, create, and distribute content across...

Copywriting Free API available

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Storyha

Storyha is an AI storytelling studio for fiction writers, combining story generation, character and worldbuilding too...

Freemium API not listed

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storykit

Storykit is an AI-native platform and editorial service for producing high-volume, on-brand social video and visual c...

Video Generation Contact for pricing API available

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Storylab

StoryLab.ai is an AI-enabled content marketing toolkit and social media management suite that provides unlimited AI c...

Marketing Free API not listed

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StoryLab.ai

StoryLab.ai is an AI-powered content marketing toolkit and team-focused social media management suite that helps mark...

Marketing Free API not listed

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Strata

Strata is a business intelligence platform combining governed semantic modeling, self-service dashboards, AI analytic...

Business Intelligence Pricing not listed API available

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Stratify AI

Stratify AI is an AI-powered user research platform that automates end-to-end user research—recruitment, interview de...

Research Contact for pricing API not listed

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streamr

Streamr.ai is a platform for rapidly creating, adapting, and activating premium CTV/OTT and OLV video ad campaigns us...

Advertising Contact for pricing API not listed

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Stresslessai

StressLess AI is an evidence-informed, supportive mental health chatbot that provides instant, empathetic check-ins a...

Healthcare Freemium API not listed

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strictly

Strictly provides conversational websites for service businesses, combining a website-trained AI assistant, lead mana...

Chatbots & Assistants Paid API not listed

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StrideQ

StrideQ is an AI-powered restaurant phone-ordering and catering tool that helps restaurants answer calls, capture ord...

Business Intelligence Free Trial API not listed

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String Art Generator

String Art Generator is a browser-based tool that uses an AI-powered algorithm to turn uploaded photos into customiza...

Pricing not listed API not listed

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Stringartgenerator

String Art Generator is a web tool that transforms photos into printable string art patterns using an advanced algori...

Design Generators Paid API not listed

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Stripo’s AI Assistant

Stripo’s AI Assistant is a generative-AI feature inside the Stripo email editor that automates creation of multi-emai...

Chatbots & Assistants Pricing not listed API not listed

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strique

Strique is an agentic AI marketing platform that autonomously plans, executes, and optimizes paid media, SEO, content...

Advertising Contact for pricing API not listed

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Strut

Strut is an AI-powered workspace and notebook for developing long-form writing from rough notes, research, outlines,...

Writing & Text Free API not listed

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studyboosterai

StudyBoosterAI uses AI to turn a parent’s notes about a child’s classes into personalized learning materials, includi...

Education Free Trial API not listed

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StudyFetch

StudyFetch is an AI-first learning platform that converts course materials into personalized study experiences—notes,...

Education Free API not listed

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StudySim

StudySim is an AI study workspace that turns course materials—such as PDFs, notes, slides, recordings, and public You...

Free API not listed

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Studyx

StudyX is an all-in-one AI study platform that lets students upload homework, lectures, PDFs, and videos to get insta...

Education Freemium API not listed

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Stunning

Stunning is a no-code / AI-assisted platform for building full‑stack web and mobile applications quickly using templa...

NoCode / LowCode Contact for pricing API not listed

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Sturppy

Sturppy is a financial modeling and forecasting platform for startups and growing companies that replaces complex Exc...

Finance Freemium API not listed

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Styldod

Styldod provides decision-grade visual and media workflows that turn home photos into actionable outcomes for real es...

Image & Design Freemium API not listed

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Style Art AI

Style Art AI is a web-based multi-style image generator that uses the ChatGPT 4o vision model to create or transform...

Generative Art Free API not listed

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Style3D AI

Style3D AI is a web-based AI fashion design generator and virtual try-on platform that creates concept images, render...

Design Generators Contact for pricing API not listed

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stylo

Stylo is an AI product suite for Zendesk that helps support teams draft brand-aligned responses, work with call trans...

Chat Paid API not listed

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Stynar

Stynar is an outbound sales automation platform that uses AI to research, write, send personalized email sequences, u...

Sales Freemium API not listed

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SUAPP AI

SUAPP AI is a suite of AI-driven plugins and desktop tools for designers that convert images and videos, generate ima...

Image & Design Contact for pricing API not listed

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subatomic

Subatomic provides an enterprise AI platform that acts as an AI Chief of Staff and a configurable workforce of 100+ A...

AI Agents Free API not listed

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Subclip

Subclip is an AI-assisted video editor for Mac that lets creators edit footage with prompts, refine edits in a visual...

Video Editing Paid API not listed

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SubcueAI

SubcueAI is a desktop and browser-based AI interview assistant for macOS and Windows that provides real-time, GPT-4o–...

Recruitment & HR Freemium API available

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subeasy

SubEasy is an AI-powered platform for transcribing, captioning, translating, and dubbing audio and video. It also pro...

Transcription Free API available

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Sublayer Labs

Sublayer Labs is an AI-native software studio and lab in New York that builds products, open source projects, communi...

Business Intelligence Contact for pricing API not listed

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Submagic

Submagic is an AI-powered video editing platform that automates short-form video creation — from auto-captions and on...

Video Editing Free API available

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Submify

Submify is an AI-assisted submission and outreach platform that helps startups, SaaS teams, and agencies research opp...

AI Agents Freemium API available

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Submind

Submind is an AI-powered voice notes app for Android that records high-quality voice notes, transcribes audio in 55+...

Voice & Speech Freemium API not listed

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SubtitleGenerator

SubtitleGenerator is a browser-based AI subtitle editor that transcribes video locally, flags uncertain words for qui...

Transcription Free API not listed

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Subtranslateai

Subtranslateai is an AI-powered online subtitle translator that translates SRT and other subtitle/media files into 10...

Translation Paid API not listed

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Sudowrite

Sudowrite is an AI-powered writing assistant and creative suite built for fiction authors and novelists, offering too...

Writing & Text Free API not listed

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sufy

SUFY is an S3-compatible cloud platform offering object storage, a global CDN, real-time media processing and AI-powe...

Video Generation Free API available

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summarizepaper

SummarizePaper is an open-source, AI-powered web tool that generates concise summaries and layman explanations for ar...

Research Pricing not listed API not listed

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summate

Summate.it is a simple web service that quickly summarizes web articles using OpenAI—generate concise summaries by po...

Research Contact for pricing API available

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Summaverse

SummaVerse is an AI-powered web app that transforms documents into concise summaries and conversational chatbots, ena...

Chatbots & Assistants Freemium API not listed

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sumoppm

SumoPPM is an AI-for-business platform that offers a suite of seven AI tools — including data visualization, integrat...

Business Intelligence Contact for pricing API not listed

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Suno

Suno is a web-based AI music generator and creative workspace that lets anyone create full songs (vocals, lyrics, pro...

Music Freemium API not listed

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Sunoh

Sunoh.ai is an AI-powered medical scribe that listens to patient-provider conversations, generates clinical notes in...

Healthcare Contact for pricing API not listed

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Sunoprompt

SunoPrompt is an all-in-one AI music platform and creative toolkit that combines prompt generation, multimodal song c...

Music Freemium API not listed

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SunSed

SunSed is an AI app builder for creating and running business applications from descriptions, using tested building b...

NoCode / LowCode Paid API available

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Supaboard

Supaboard is an AI-first analytics platform that builds governed, context-aware AI analysts (agents) to turn data int...

Business Intelligence Free API not listed

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Supademo

Supademo is an AI-first interactive product demo platform that helps teams create, personalize, translate, and measur...

Sales Free Trial API not listed

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supanext

Supanext is a paid Next.js + Supabase starter kit and boilerplate optimized for building AI and SaaS applications qui...

Developer Tools Paid API not listed

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supares

SupaRes is an AI-powered image enhancement platform that automatically upscales, restores, denoises, and optimizes im...

Image & Design Freemium API available

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supbot

SupBot helps businesses deploy AI-powered customer support bots on their websites. Bots are trained through user-prov...

Freemium API not listed

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Superchat

Superchat is an AI-powered personal assistant and smart agent that completes tasks for users—booking flights and hote...

AI Agents Freemium API not listed

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supercreator-ai-for-onlyfans

Supercreator is an AI-powered CRM and management platform for OnlyFans creators, assistants, and agencies. It combine...

AI Agents Free Trial API not listed

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