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 planAssistant
Knowt is an AI study platform for students and teachers that combines flashcards, lecture capture, and summarizers for PDFs, videos, slides, and images. The site positions itself as a free Quizlet alternative with learn mode, voice tutoring, podcasts, and AP, SAT, and ACT prep resources.
Free tier unknownResearch
Knowtify Chat is a lightweight web landing page for the Knowtify Chat product with links to mobile app stores and social profiles.
Free tier unknownResearch
Knowz is an AI knowledge base and enterprise search platform that finds, creates, verifies, and automates company knowledge. Marketing copy highlights grounded answers across more than 100 tools, voice AI, and enterprise security as an alternative to tools like Glean, Guru, Notion, and Confluence.
Free tier unknownAssistant
KNWN helps brands monitor how AI agents and shoppers perceive their sites with visibility analytics, prompt tracking, topic-gap analysis, and recommendations. KNWN Studio also builds MCP servers and ChatGPT apps for agent-ready experiences.
Free to startWriting
KoalaChat is Koala AI day-to-day assistant for content creators, bundled with the broader Koala platform. Subscriptions include KoalaChat alongside writer, image, linking, and MCP tools with word and credit allowances per tier.
Free to startResearch
KoalaKonvo is a Telegram bot assistant powered by OpenAI. Users chat in Telegram for code generation, web summaries, grammar fixes, and image generation while supplying their own OpenAI API key on a pay-as-you-go model.
Free tier unknownWriting
Koast is an AI operating system for performance marketing teams managing paid social accounts. It consolidates ad accounts, buyers, and creative workflows while AI agents handle busywork and surface sign-off ready actions for high-spend teams.
Free planAssistant
Kodex is a law-enforcement data request management platform that verifies agents, automates lawful request processing, and protects subscribers from fraudulent LE inquiries. Telecom, fintech, and platform trust-and-safety teams use Kodex to encrypt exchanges and maintain auditable request records.
Free planCode
Kodezi is an AI CTO suite for codebases with a web IDE, CLI, and OS layer for autonomous developers. Free Kodezi Code offers limited daily credits while Pro and CLI+OS tiers raise usage and add PR automation and team infrastructure features.
Free tier unknownCode
Kodif provides action-first AI customer support for ecommerce brands. Its agents resolve tickets by taking real actions such as refunds, returns, and order changes, with pricing oriented around conversation volumes rather than simple seat fees.
Free tier unknownAssistant
Kodo is an intake-to-pay and corporate spend platform covering procurement, expense management, accounts payable, corporate cards, and vendor payouts. It automates invoice processing, enforces policy controls, and targets companies from startups to enterprises on one spend stack.
Free planCode
Kodus is an open-source, model-agnostic AI code review platform that runs on pull requests with your own API keys. Community tier is free BYOK while Teams adds hosted review, unlimited rules, and priority agent queues for a per-developer monthly fee plus tokens.
Free planCode
kogiQA is a selectorless UI test automation tool that interacts with web pages the way humans do—by visible labels and text. Teams author readable test steps, run them in kogiQA’s cloud runner, and integrate via JS SDK or MCP server without brittle CSS selectors.
Free planCollections
Koillection is a self-hosted website for cataloging personal collections such as items, tags, wishlists, and signs. Users can share selected collections with guests while keeping full control of data on their own server.
Free tier unknownWriting
Koke AI is an academic writing and citation site centered on an AI citation generator for APA, MLA, Chicago, IEEE, and Harvard formats. It also lists essay, thesis, paraphrasing, and research-paper helpers alongside auto-cite and manual reference search tools.
Free planAssistant
Koko Analytics is a privacy-friendly WordPress analytics plugin that tracks pageviews, referrers, and unique visitors without cookies or third-party trackers. The free plugin stores data on-site; Koko Analytics Pro adds geolocation, device stats, UTM tracking, and email reports via yearly licenses.
Free tier unknownAssistant
Kolabrya launches CoClerk, an end-to-end automation platform for independent medical examination (IME) providers, assessment clinics, and healthcare operations teams. It covers intake, medical record handling, scheduling, communications, follow-ups, and reporting with PHIPA, PIPEDA, and SOC 2 compliance called out on the site.
Free tier unknownAssistant
KOLFind is an AI-powered influencer marketing platform that matches brands with micro and nano KOLs on TikTok, Instagram, YouTube, and other networks. Users submit campaign requirements, the agent crawls creator data, experts review matches, and lists can arrive within about 24 hours.
Free tier unknownAssistant
Kolibra is an ERP platform for international electronics traders, unifying purchasing, sales, payments, logistics, VAT compliance, and analytics in one operating system. It targets cross-border wholesale operations rather than generic AI chat.
Free planWriting
Kollegio AI is a college admissions platform for students, schools, and educators. It offers personalized college recommendations, essay feedback, scholarship discovery, application planning, and direct admissions workflows marketed to hundreds of thousands of families.
Free planImages
Kolorize is an online AI photo colorizer that restores black-and-white images with era-accurate color. Users can preview unlimited variations without signing up, then pay credits only when downloading full-resolution, watermark-free outputs up to 4096×4096.
Free to startImages
DeepKolor (Kolors AI listing) is an AI design agent for ecommerce visuals. From a single product photo it generates Amazon listing galleries, A+ content modules, scene images, and detail-page creatives through chat-driven planning and generation.
Free tier unknownCode
Kolosal Planout presents an AI Enterprise Blueprint Layer that turns multimodal inputs into structured product definitions before code is written. The site targets companies whose requirements are scattered and offers a collaborative canvas to define what applications should do for AI-native development.
Free tier unknownAssistant
KOLverse is marketed as a KOL monitor and crypto intelligence hub. Public metadata describes tracking key opinion leaders, meme coins, and blockchain trading signals, though the live homepage is a lightweight client shell with limited marketing copy.
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