15,347 tools
Compare plans, free tiers and API access across thousands of AI tools — every fact carries its source and check date.
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Free trialResearch
Hathr.AI provides HIPAA-compliant Claude access for healthcare, legal, and government teams handling PHI and sensitive documents. Accounts run on FedRAMP High GovCloud infrastructure with BAAs, unlimited queries on the web app tier, OCR uploads, and optional HIPAA-compliant API access.
Free planCode
Hatsu is a self-hosted bridge that connects static sites to the Fediverse. It redirects ActivityPub lookups for site users and permalinks, accepts follows, pushes new posts to followers, and backfeeds replies into the static site automatically after setup.
Free tier unknownAssistant
Hauservice is marketed as an area research tool where visitors enter a postcode or try an example to explore insights about a location. Metadata positions the product around uncovering neighborhood or area information from a simple search entry point.
No free planCode
Track AI Answers, formerly Have I Been Encoded, monitors what major AI chatbots say about people, brands, and product recommendation lists. Users pick a subject, the service queries competing models, and email alerts fire when answers change over time.
Free planResearch
Have I Been Pwned aggregates breached credentials and stealer-log data so individuals and organizations can search emails, monitor domains, and query APIs. Paid subscriptions add programmatic search rates, domain monitoring, and stealer-log access beyond the public site tools.
Free planWriting
Haven is a private blogging and feed-reading platform you self-host or purchase as managed hosting. It emphasizes audience-controlled sharing without ads or tracking, targeting families who want Facebook-like sharing on infrastructure they trust.
Free trialAssistant
Hawke AI is a marketing intelligence dashboard that connects ad platforms to deliver real-time campaign insights, anomaly detection, benchmarks, alerts, and exportable reports. It targets agencies, brands, multi-location operators, and investment firms monitoring portfolio ad performance.
Free trialVideo
HayaiLearn is a Japanese learning platform built around video immersion, YouTube imports, smart subtitles, flashcard drills, and AI role-play conversations on higher tiers. Pricing compares Pro and Platinum plans for learners who want structured listening and speaking practice.
Free tier unknownCode
Hayden AI builds a mobile vision AI platform for cities that mounts hardware on transit vehicles to detect parking and traffic violations in real time. Solutions cover bus lanes, bus stops, bike lanes, and double parking to improve safety, accessibility, and on-time public transit.
Free trialWriting
Haye is a macOS AI chat assistant that runs atop desktop apps, files, screenshots, and PDFs with a global Command+E shortcut. It supports multiple frontier models, web search, side-by-side model comparisons, customizable chat styles, and optional premium AI service on paid plans.
Free planAI orchestration
Haystack is an open-source AI orchestration framework for production-grade agents and RAG pipelines with modular components, observability, and integrations to major model and vector providers. deepset also sells enterprise platform and support offerings on separate domains.
Free tier unknownResearch
Hazel AI is a public-sector procurement platform that helps government agencies run compliant solicitations from requisition through award. Modules include scope review, solicitation builder, vendor directory, evaluations, and spend visibility.
Free trialAssistant
Hazel is an SMS-based memory and reminders assistant that works without installing an app or password. Users text appointments, contacts, lists, and questions, then ask Hazel to recall saved details or send reminder texts, with optional safety-net check-ins for trusted contacts.
Free tier unknownAssistant
HCE is an independent digital lab in Italy offering strategy, skills, and delivery for companies exploring AI in processes, websites, and startups. The public site uses an interactive flow chart to route visitors to profile, skills, and strategy sections.
Free planImages
HD Photo Converter is a free online tool that upscales low-resolution images with AI up to about 4x size for print, ecommerce, and marketing use. Users upload a photo, wait for automatic enhancement, and download a higher-resolution PNG result from the browser.
Free planDistributed Storage
Apache Hadoop is an open-source framework for reliable, scalable distributed computing, including the HDFS storage layer and MapReduce-style processing models. The project site distributes releases, documentation, and community governance for running large data sets across clusters.
Free to startImages
HD Photo Converter is an AI-powered online upscaler that turns low-resolution JPG, PNG, WEBP, and related formats into sharper 4K-style images. You upload up to 10 files at once, run enhancement with optional portrait and ultra-clean modes, and compare before-and-after results in the browser.
Free tier unknownAssistant
Head AI (Alpha), branded as AhaCreator, is an AI-native influencer marketing platform that automates creator discovery, outreach, content workflows, review, payments, and performance tracking. It targets brands running creator campaigns across a large onboarded creator network with multimodal content analysis.
Free tier unknownImages
Headbot generates personalized AI portrait galleries from a handful of selfies. You upload 8–12 clear photos, pick styles such as buff, anime, couples, or custom looks, and receive dozens of high-resolution renders in about an hour without booking a photographer.
Free planAssistant
Headcanon Generator is a free online AI tool that creates character headcanons for writers and fans. You choose writing tone, headcanon type, and length, then generate personality, background, relationship, or hobby ideas without creating an account.
Free trialWriting
Headlime is an AI copywriting platform powered by GPT-3 that generates marketing copy, blog drafts, ads, and documents. It offers templates for landing pages, Google and Facebook ads, headlines, and a blog editor designed to reduce writer's block.
Free planAssistant
HeadlinesAI on Netus AI is a free AI title generator that turns topics or keywords into catchy, SEO-friendly headlines for blogs, documents, landing pages, emails, and ads. It sits inside Netus AI's broader writing toolkit alongside paraphrasing, summarization, and article tools.
Free tier unknownImages
Headshot Maker generates AI professional headshots from a small set of selfies for social profiles, resumes, and portfolios. Users upload photos, wait about twenty minutes for model training, then receive styled headshot outputs from credit-based packs on the homepage.
Free to startImages
Headshot Photo turns a few selfies into dozens of professional AI headshots for LinkedIn, resumes, and team directories. You upload photos, pick styles and backgrounds, and receive large packs with optional edits and a money-back guarantee.
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