15,347 tools
Compare plans, free tiers and API access across thousands of AI tools — every fact carries its source and check date.
Popular
Tools you can compare today
Catalog
Free planTime Series ML
sktime is the unified open-source AI framework for time series forecasting, classification, and anomaly detection. The community project ships production-ready algorithms with optional enterprise implementation and support services.
Free planAPM
Skylight is a performance profiler for Ruby and Rails applications that turns telemetry into actionable insights about slow endpoints and background jobs. The homepage promotes a free month trial, 100,000 free traces each month, and tiered paid plans based on monthly trace volume with automatic tier adjustments.
Free tier unknownAssistant
Skymerse automates airline flight planning and operations control by ingesting schedules and matching each flight against live NOTAMs, weather, runway limits, and aircraft constraints. The marketing site shows an ops dashboard that surfaces critical alerts, impact analysis, and recommended decisions so planners spend less time manually monitoring sources.
Free planJavaScript CDN
Skypack is a CDN for loading optimized npm packages directly in the browser without install steps or bundlers, serving billions of requests from a global network. The about page states its mission to make the web faster and more accessible while keeping open-source packages free to import from cdn.skypack.dev.
Free planKnowledge Base
Slab is a team knowledge base and wiki with modern editing, topics, unified search, templates, verification, and AI-assisted authoring features. The pricing page offers a free tier for up to ten users and paid Startup and Business plans billed per user monthly with higher attachment limits, analytics retention, and security options on upper tiers.
Free tier unknownIntegrations
Slack's MCP server lets integrated apps search channels, send messages, and perform other Slack actions through Model Context Protocol clients. Workspace admins approve and manage MCP client integrations to keep Slack data access controlled.
Free trialEmail AI
Slashy is an AI email workspace that drafts replies in your voice, rewrites messages inline, automates follow-ups, and connects calendar scheduling. Professional and Enterprise tiers add team collaboration, SSO, and advanced security controls.
Free planPresentation templates
Slidesgo provides free and premium Google Slides and PowerPoint templates plus AI tools to generate presentations, lesson plans, quizzes, and classroom materials. Premium unlocks unlimited template downloads and higher AI generation limits for educators and teams.
Free tier unknownDeveloper Tools
Slide SJS is an IT production studio that builds browser extensions and plugins for client engagement, according to its marketing site. The company offers extension development, plugin creation, portfolio work, and team-based delivery since 2009 for businesses seeking custom browser-based products.
Free planDeveloper Tools
Slim is a PHP micro framework for building simple web applications and HTTP APIs with minimal ceremony. It uses PSR-7 request and response interfaces, a routing layer, and middleware hooks so developers can compose lightweight services on standard PHP stacks.
Free planImages
SlingSite is a browser-based image optimizer that compresses uploads and generates mobile, tablet, and desktop sizes in JPG, WebP, and AVIF. The site positions the tool as a free way to improve Core Web Vitals without sending one oversized asset to every device.
Free to startAI design QA
Slopscan audits a public page or uploaded project ZIP for design problems and generic AI-generated interface patterns. It marks layout, typography, hierarchy and component issues with visual annotations, then assembles one implementation prompt from the findings the user chooses to keep.
No free planAI ecommerce add-ons
Smart Add-Ons extends WooCommerce product customization with conditional fields, live price totals and a Pro growth toolkit. Its AI upsell suggestions sit beside revenue analytics and A/B tests, helping merchants inspect possible add-ons while conventional option groups remain editable in WordPress.
Free tier unknownCode
Smart Grow Logs is a centralized log management product from the Smart Grow suite. Marketing copy highlights encryption in transit, real-time alerts, and SDKs for web, Flutter, Android, and iOS so teams can collect and monitor application logs from multiple clients.
Free planCode
Smart Grow Vault stores team environment variables and credential files in an encrypted vault with versioning, rollback, and CLI delivery. Organizations group apps and environments, control member access, and sync secrets into local projects or CI pipelines.
Free planCode
Smartcar is a connected-car API platform for retrieving vehicle signals, sending commands, and building integrations across energy, fleet, insurance, and mobility apps. Developers use SDKs and documentation to connect compatible vehicles and scale production integrations.
Free trialAssistant
Smartcat is an AI localization platform that pairs translation management with AI coworkers for content adaptation, review, and quality assurance across documents, websites, video, and audio. It targets global content teams needing workflow automation and linguist marketplace access.
Free tier unknownCode
Smartcuts is a Chrome extension that watches clicks and typing on any website and turns those actions into replayable automations without code. The homepage targets knowledge workers who want to automate repetitive browser tasks, while the plans page invites early access users to pick a subscription once pricing loads.
Free to startAssistant
Zown is a Canadian full-service real estate platform that helps qualified buyers purchase homes with a Down Payment Boost funded from buyer-agent commission, up to about 1.25% of the purchase price with no loan repayment. The site markets AI-powered homebuying support and has helped hundreds of buyers across Ontario and British Columbia.
Free planCode
SmartForms is a form backend that receives submissions from static sites and frameworks, then forwards them to email, Slack, Telegram, or webhooks without custom server code. Users configure an endpoint, keep their own form design, and rely on SmartForms for delivery and spam protection.
Free tier unknownWriting
Smartlead is cold email infrastructure for outbound sales teams, combining unlimited mailbox rotation, warmup, deliverability tooling, multichannel sequences, and AI assistants for prospecting and campaign setup. Agencies can white-label client workspaces on higher tiers.
Free planCode
SmartParse connects CSV files to REST APIs through a mapping editor, handling validation, throttling, and error reporting so teams can migrate or sync tabular data without bespoke scripts. The homepage emphasizes API-first integration, SFTP support on paid tiers, and large monthly processing unit quotas.
Free trialData
Smarty (formerly SmartyStreets) provides USPS and international address verification, autocomplete, geocoding, and enrichment APIs. Teams use it to validate and standardize location data in forms, CRMs, and logistics workflows with high-throughput cloud lookups.
Free to startAgent notes workspace
SmileNote Pro is a Windows desktop notes workspace with sticky notes, reminders and hierarchical projects. Its local MCP connection exposes notes to compatible external agents such as Codex or Claude Code, so an AI client can use organised local notes while the app provides project and calendar views.
Showing 13,272 of 15,347 tools
Plan facts carry individual sources and check dates. Unknown values are excluded from required filters.
Method
Pricing, free tiers and API access come from the vendor's own pages, with the link kept next to the fact.
Every record shows when it was last checked, so you know how fresh a price or limit really is.
Submit it with a source, or send a correction. Editors review every change.