15,843 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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Catalog
Free to startAssistant
4Geeks Academy markets AI career and upskilling programs with mentorship, job placement support, and flexible financing. The AI Flex self-paced track offers immediate access to AI courses with a 24/7 AI tutor and published Basic plan monthly pricing on the financing page.
Free planResearch
The MIT AI Risk Initiative (AIRI) maintains authoritative datasets and frameworks that help policymakers and builders identify, prioritize, and mitigate risks from advanced AI. Public tools include a risk navigator, incident tracking, and research publications hosted at airisk.mit.edu.
Free planCode
The Context Company monitors production AI agents, turning live conversations and tool traces into patterns teams can investigate from the IDE. It tracks cost, latency, and quality, surfaces recurring failures, and ships alerts, reports, and MCP access so engineers can measure fixes against real usage.
Free planResearch
The Forecasting Company builds foundation models for time series, starting with t0-beta for universal forecasting. Its API accepts raw historical data without per-domain fine-tuning, returns calibrated future distributions, and supports large-scale backtests plus open weights and interactive Retrocast demos.
Free planResearch
The Hog is a usage-based web intelligence API that unifies people, company, social, news, and open-web signals for AI agents. One endpoint supports search, enrichment, monitoring, and extraction with markdown or JSON outputs so agents can replace multiple data vendors.
Free planData
The Pile is an 825 GiB open-source language modeling corpus from EleutherAI combining 22 high-quality sub-datasets for training large models. It ships as zstandard-compressed jsonlines hosted by the Eye with an accompanying arXiv paper.
Free trialWriting
The Prompting Company helps software products get discovered and used by AI agents. It tracks how assistants mention your brand, generates AI-optimized content for visibility, and maps agent workflows to fix documentation, API, and MCP friction so agents can choose your product during tasks.
Free to startAI Characters
The Sentient World is an observational environment populated by AI characters with persistent memories and ongoing interactions. Visitors can watch the characters’ activity and reasoning as the simulated world develops. The product is an AI-character experience rather than a business automation or information-retrieval assistant.
Free tier unknownCode
The Token Company sells bear-2 prompt compression that strips filler tokens before requests reach frontier LLMs. Its deterministic models cut input size in tens of milliseconds, preserve answer quality in customer case studies, and offer Pro and Enterprise deployments with trust-center controls for regulated data.
Free to startEducation
TheInterviewChair.com provides AI interview practice in voice or text, with role-specific questions, feedback and a saved question bank. Lifelike AI interviewers conduct sessions across 32 languages and score answer relevance, accuracy, clarity, depth and confidence. Courses, mock exams and presentation rehearsal extend the practice workflow.
Free planCMS
Thelia is an open-source French e-commerce framework for bespoke online stores, click-and-collect, and drive workflows. It offers modular Symfony-based architecture, hundreds of community modules, and services from OpenStudio for merchants since 2005.
Free planDeveloper tools
theme.park is a community project providing custom CSS themes and skins for self-hosted apps such as LinuxServer.io and Hotio containers. It documents Docker mods, webserver subfilter examples for Nginx, Apache, Caddy, and Traefik, plus a self-hostable CSS bundle image.
Free tier unknownResearch
Theora (Louiza, Inc.) builds analyst-grade AI for biopharma by teaching models how real clinical work unfolds. It creates healthcare datasets, expert reasoning traces, and FHIR-native EHR and PACS simulation environments so agents can master multi-step medical tasks with verifiable rewards.
Free tier unknownCode
Theorem is a formal verification and AI research company working to make software proofs cheaper to produce. It argues verification covers entire behavior spaces ahead of time and is starting with verified sandboxes that agents cannot escape or game.
Free planImages
thepipe (The Pipe) is an open-source document AI pipeline and hosted API that extracts clean markdown or structured data from PDFs, slides, spreadsheets, and scans. Vision-language models locate tables and figures, support Pydantic schemas, chunking for RAG, and optional on-prem deployments.
Free tier unknownCode
Theta builds specialized AI agents by translating real-world workspaces into simulation environments. It synthesizes first-party and expert data into custom environments, trains agent workforces on long-horizon tasks, and delivers forward-deployed solutions for frontier labs and enterprises.
Free planAI study assistant
ThetaWave AI converts lectures, PDFs, YouTube links, slides, and recordings into structured notes, flashcards, quizzes, podcasts, and mind maps. It targets students with AI study assistants, Chrome extension capture, and mobile apps promoted on the pricing page.
Free trialSocial Media
TheViralMarketing creates and schedules social content from a business profile containing brand voice, offers and goals. Copywriting, visual-design and QA agents prepare posts in a shared workspace, and Agent Mode can continue the campaign loop on a schedule. Instagram, Facebook and LinkedIn are the documented current publishing platforms.
Free planIoT
ThingsBoard is an open-source IoT platform for device management, telemetry ingestion, dashboards, rule chains, and alarms across cloud or on-premises deployments. It offers ThingsBoard Cloud subscriptions, private cloud clusters, and downloadable Professional Edition licences for edge-to-cloud IoT products.
Free to startResearch
Third Chair monitors social platforms in real time to find commercial uses of music catalogs, then helps rights holders enforce copyrights and convert unauthorized uses into licensing revenue. It combines detection, enforcement workflows, and sync licensing support for labels, publishers, and distributors.
Free tier unknownCode
Thirdlayer builds Dex and Nexus for AI-native operations: shared agents, custom internal apps, and an enterprise context graph. It captures decisions, relationships, and handoffs that CRMs miss so humans and agents act on current organizational intelligence.
Free tier unknownFinance
Thndr is an Egypt-focused investing app for stocks, gold, and mutual funds, licensed and regulated by Egypt’s Financial Regulatory Authority. The public site promotes mobile trading, educational content, and community resources for retail investors starting with small amounts.
Free tier unknownWriting
Thomas is marketed as the world's first AI founder: an autonomous agent designed to start, run, and grow companies end to end. The Y Combinator-backed project presents Thomas as an AI operator rather than a single-purpose copilot.
Free trialAI social content
Threadify drafts social posts and replies from a supplied knowledge Brain, examines comments for possible customer interest and queues personalized follow-ups for approval. It combines channel publishing, link attribution and credit-based generation, with higher tiers adding X posting and advanced automation.
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