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 planUI Toolkit
GTK is a free and open-source cross-platform widget toolkit for building graphical user interfaces, with bindings for many languages. The GTK Project site provides downloads for Linux, Windows, and macOS plus documentation and community links.
Free tier unknownResearch
Guac provides AI-powered demand forecasting for grocery retailers, predicting SKU-level store sales and turning forecasts into ordering and production planning recommendations across stores, DCs, and commissaries.
Free planCode
Guardrails AI is an AI reliability platform and Python framework for input/output guards, structured outputs, and risk mitigation. Guardrails Hub catalogs validators for toxicity, PII, jailbreaks, and other policy checks in production GenAI apps.
Free tier unknownHospitality
Guesty is vacation rental and hospitality property-management software with AI-assisted guest communication, channel management, multi-calendar, payments, and owner tools. It targets hosts from a few listings through enterprise portfolios with Lite, Pro, and Enterprise packages.
Free tier unknownResearch
GUILD is an AI-native defense contractor focused on turning government aerospace requirements into manufactured parts, spanning planning through delivery for defense manufacturing programs.
Free trialCode
Guild.ai is an enterprise control plane for AI agents covering deployment, governance, observability, and cost management. It catalogs agents across teams, enforces credentials and approval policies, traces runtime behavior, and offers Software Factory workflows for agent-assisted engineering.
Free to startAI voice notes
Gulp is a Mac scratchpad for short-lived thoughts, with on-device speech transcription and optional speech cleanup. Keyboard shortcuts capture typed or spoken notes; Apple’s local model helps remove English fillers and false starts where available. Notes expire on a shared timer and can be copied or dragged out before disappearing.
Free planAutomation & Agents
Gumloop is a web automation and AI workflow builder that combines large language models with browser scraping, data parsing, and file handling. Builders construct node-based automation pipelines to scrape websites, summarize documents, enrich leads, and export structured data.
Free tier unknownKnowledge AI
Guru is an AI-powered knowledge management platform that unifies enterprise search, an intranet-style wiki, and agentic answers across Slack, Salesforce, SharePoint, and hundreds of other connectors. Teams use it to verify information, automate workflows, and give employees trusted answers in chat.
Free tier unknownWriting
Gurubase lets teams build hallucination-resistant AI agents on top of knowledge bases with citations, live data via API/MCP/Python integrations, and deployments to widgets or chat tools. Pro and Enterprise plans are sold through sales conversations with usage scaled by questions per guru.
Free planContainer Security
gVisor is an open-source container security platform that adds a Linux-compatible sandbox layer so containers run with stronger isolation while staying compatible with existing container tooling. The project site documents architecture, compatibility, security model, and community resources.
Free planDatabase
H2GIS extends the embedded H2 SQL database with OGC-compliant spatial types and functions for GIS workloads. It ships as an open-source LGPL library suitable for desktop, server, and lightweight mobile scenarios needing SQL spatial analysis.
Free tier unknownEnterprise AI platform
H2O.ai delivers an end-to-end generative and predictive AI platform for private, air-gapped, on-premises, or VPC cloud deployments. Offerings span h2oGPTe enterprise GenAI, Driverless AI AutoML, MLOps, feature store, and supported open-source H2O-3 for regulated industries.
Free tier unknownResearch
HABIT builds autonomous research agents aimed at accelerating frontier world models. The public site focuses on research positioning and links teams to an inference platform rather than a self-serve software catalog.
Free planWriting
Habitica gamifies habits, daily tasks, and goals by turning real-life productivity into a role-playing game. Users earn rewards and accountability through party quests, streaks, and optional subscriptions that support ongoing development of the free app.
Free planProgramming Language
Hack is an object-oriented programming language from the HHVM ecosystem designed for building reliable websites at scale with gradual typing. The official site links documentation, GitHub sources, and community channels for developers adopting Hack on HHVM.
Free trialData Modeling
Hackolade Studio is a polyglot data modeling platform for relational, NoSQL, analytics, API, and metadata-as-code workflows. Teams reverse-engineer live systems, forward-engineer schemas, and collaborate on ER diagrams with Git-based versioning and optional enterprise integrations.
Free to startImages
Haiku Lens is a mobile app that analyzes your photos and composes haiku poems matched to the scene, with optional animated video and voiced recitations. It is distributed on the App Store and Google Play with a free starter allowance before in-app credit packs.
Free tier unknownVideo
Hailuo AI is MiniMax’s creator-facing studio for generating AI video and images from text or photos, with meme and social content tools on hailuoai.video. Credit-based subscription tiers scale monthly generation allowances across Standard through Max plans.
AI video
Haiper is an AI video and image generator with text-to-video and image-to-video models, offered through a web app, iOS app, membership plans and a credit-priced API.
Free tier unknownImages
Hair Filter is an AI hairstyle and hair color try-on tool that lets users upload a portrait and preview dozens of cuts and colors. Paid plans sell monthly credits for Pro-quality generations, lossless exports, and commercial usage rights.
Free to startImage Generation
Hair Transplant AI Simulator creates an illustrative hair-restoration image from an uploaded photograph. It lets users explore an imagined hairline, crown or other appearance, with examples labeled as entirely AI-generated. The result is a visual concept rather than a prediction of surgery or a record of a real patient.
Free to startImages
Hairstyle AI on hair-style.ai offers a free online hairstyle changer with 60+ styles for men and women, selling one-time credit packs rather than subscriptions. Users purchase credits that never expire, with each generation consuming 10 credits.
Free tier unknownAssistant
Haire is an AI recruitment platform that automates hiring workflows with AI interviewing software to reduce time and cost per hire.
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