15,347 tools
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Free planCode
Kayak's ChatGPT integration lets travelers search flights, hotels, cars, and activities through conversational prompts inside ChatGPT. Kayak published the plugin announcement on its Travel Hacker blog with examples of natural-language trip planning using Kayak inventory.
Free to startWriting
Kaylin AI is an AI social media manager that drafts posts, schedules multi-platform content, and adds optional email marketing for local and ecommerce brands. Human quality control is advertised alongside Trustpilot social proof and industry-specific content examples.
Free planWriting
Kazu Navi (かずナビ) provides Japanese learning utilities such as number and counter converters, grammar breakdowns, natural translation, and a writing corrector. Premium Navigator unlocks unlimited grammar and translation queries with an ad-free experience.
Free tier unknownAssistant
KBY-AI sells on-premises SDKs and APIs for face recognition, liveness detection, ID document verification, palm recognition, license plate recognition, and deepfake detection. Solutions target identity verification workflows with perpetual licensing and messenger-based technical support.
Free planCode
It offers code completion, project management, debugger integration, and documentation lookup for Linux, Windows, and macOS workstations.
Free planAssistant
KDP Readiness Score is a free pre-flight audit from publishing.co.uk that scores Kindle Direct Publishing print and ebook PDFs against 30+ production checks Amazon runs during review. Upload a manuscript, receive a /100 score with flagged issues and fixes, and optionally run a specs-only check without uploading a file.
Free tier unknownVoice
Kea AI provides voice and text AI agents that answer restaurant phones, take orders, and handle guest questions around the clock. The homepage includes an interactive demo, FAQ, and claims average monthly savings from recovered missed order revenue.
Free planAssistant
Keak is an AI-powered A/B testing platform that generates and serves website variants to optimize conversions automatically. Pricing is usage-based at $0.005 per impression with free preview accounts and custom enterprise contracts.
Free tier unknownAssistant
Kebra, from Third Eye AI, builds a live operating memory of field work and deploys AI agents for physical operations. The site positions field documentation, warranty recovery, and back-office automation as limited by what models know about real-world jobs—not model capability alone.
Free tier unknownResearch
Keen (Keen IO) is a managed event streaming and analytics platform for collecting, storing, querying, and embedding product metrics. It provides Streams and Compute APIs, persistent encrypted storage, and embedded visualization components for in-app analytics.
Free planResearch
Keenious is a research companion for discovering and understanding academic literature through chat and search across languages. Free access offers limited AI responses while Keenious Plus adds exports, higher upload limits, and team administration features.
Free planImages
Keep It Shot is a Mac app that uses AI to rename screenshot and document files and build a private local search index for them. Users can bring their own OpenAI API key on a one-time credit pack or subscribe for monthly renaming credits.
Free tier unknownAssistant
Keeper is an AI-assisted matchmaking service focused on marriage-minded introductions rather than casual swiping. Members complete preference profiles, get vetted matches that meet mutual criteria, and can pause matchmaking without canceling entirely.
Free planImages
Keep is an open-source AIOps platform for alert and incident management at scale. Teams connect monitoring, IRM, ticketing, and CMDB tools, then enrich alerts, run workflows, and use AI-assisted correlation from a single pane instead of juggling disconnected on-call tools.
Free tier unknownAssistant
Keepmind is a study app that uses AI-generated flashcards, smart quizzes, and spaced repetition to help learners remember material with less manual deck building.
Free tier unknownImages
Keepyobread auto-enhances Airbnb listing photos by removing clutter, adjusting realism, and polishing room shots without Photoshop. Hosts upload listing images and apply one-click improvements aimed at cleaner, more inviting property photos.
Free trialImages
Keevx is an all-in-one AI video platform for translation, dubbing, avatar generation, and ad-style video creation. Marketers and creators turn text, URLs, or images into lip-synced avatar videos across many languages, with flows for product videos and link-to-video ads.
Free planAssistant
Kel is a free, open-source AI assistant that runs in your terminal and supports multiple LLM providers. Developers bring their own OpenAI or Anthropic keys, chat with uploaded artifacts, and automate CLI workflows without leaving the command line.
Free tier unknownResearch
KelAI is an AI alpha engine for hedge funds and institutional investors, offering KelAI OS software that orchestrates financial research agents, data integrations, and documented investment workflows. The public site describes investigate-scale-govern research loops for public-market alpha discovery.
Free tier unknownAssistant
Kenley builds AI agents, workflows, and Microsoft Office add-ins for advisory and financial services firms. Teams codify firm processes into reusable agents, generate client-ready materials grounded in internal knowledge, and keep work inside a SOC 2 Type II platform with strict data governance.
Free tier unknownAssistant
Kentauros AI is an applied AI team building Nautilo, a multi-user workspace where people and agents collaborate. The site promotes sovereign, open-source deployment on desktop, mobile, and web so teams can create persistent “Genie” agents connected to growing tool integrations.
Free planCode
Keploy builds digital twins of production API traffic to generate tests, mocks, and regression checks for CI pipelines without application code changes. The open-source platform records requests with eBPF, replays dependencies, and offers AI-expanded API test generation.
Free trialCode
Keragon is a HIPAA-compliant healthcare automation platform with no-code workflows, AI agents, and 400+ integrations. Clinics and digital health companies automate intake, scheduling, billing, and patient communication while keeping data on Keragon’s compliant infrastructure.
Free planAssistant
Keras is a high-level deep learning API focused on readable, fast-to-debug model code for humans. It ships with Keras 3 multi-backend support, extensive guides, and companion libraries like KerasHub pretrained models and KerasTuner for hyperparameter search.
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