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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Catalog
Free to startAssistant
Chat with God is a web spiritual guidance experience that invites users to explore faith, scripture, and prayer through AI conversation across multiple religious traditions. The public homepage positions the service as free to start for seekers wanting reflective chat rather than formal counseling.
Free planWriting
ChatWizardAI helps businesses import websites or documents to train branded ChatGPT-style customer bots they can embed on unlimited sites. It emphasizes no-code setup, customizable widgets, conversation history, and tiered message credits for support or sales use cases.
Free planAssistant
Chatwoot is an open-source customer support platform with cloud hosting, shared inboxes, live chat, help centers, automations, and Captain AI for copilot and assistant features. Cloud pricing is per agent with a free Hacker tier and paid plans that add channels, voice, and AI credits.
Free planResearch
ChatWP is a public WordPress documentation chatbot trained on official WordPress.org docs to answer how-to questions with sourced responses. The site also promotes DocsBot for teams that want custom ChatGPT-powered support bots trained on private content.
Free planAssistant
ChatX is a multi-model AI chat portal that routes conversations through official APIs from OpenAI, Google, Anthropic, DeepSeek, and xAI. It advertises anonymous free chatting plus optional registration for credits, along with image, video, and PDF tools.
Free tier unknownAssistant
Cheaterbuster is an AI-assisted public-records and dating-profile search service that helps users look up publicly available profiles by name, age, and location with optional face matching. It also offers monitoring tools such as Following AI, face trace, username trace, and Tea App checks.
Free tier unknownAssistant
Cheat Layer markets no-code business automation using ChatGPT, including Project Atlas agents for product, marketing, and sales workflows. The site highlights cloud marketing agents, SEO blog generation, social reply automation, desktop/browser automation, and a $1 entry offer routed through signup links.
Free planBrowser extension
Builds are published for Chrome, Edge, Firefox, and Opera from Chris Pederick’s official download page.
No free planWriting
Check Typo is a browser extension that adds AI spell-checking inside forms, text areas, and supported sites such as Gmail and LinkedIn while preserving tone. It supports 100+ languages and uses GPT-4o according to the homepage FAQ.
Free planSEO tooling
Checkbot is a Chrome extension that crawls hundreds of pages to flag SEO, speed, and security issues such as broken links, duplicate titles, invalid HTML, and mixed content against published web best-practice guides.
Free planStatic analysis
The Checker Framework augments Java’s type system with pluggable checkers that catch nullness, concurrency, regex, tainting, and other defects at compile time. It ships as open-source compiler plug-ins, documentation, and tutorials for writing custom checkers.
Free planAssistant
checklist.gg is an AI checklist and SOP platform that generates checklists from prompts, documents, or links, then lets teams assign, run, and analyze workflows. It includes a Chrome extension, scheduling, and workspace limits across free and paid team tiers.
Free planMonitoring
Checkly is a monitoring platform for developers and agents combining synthetic browser and API checks, uptime monitoring, heartbeats, status pages, alerting, and AI-assisted root-cause analysis with monitoring-as-code via CLI, Terraform, and Playwright suites.
Free planPayments
Zoho Checkout lets businesses build branded hosted payment pages for one-time and recurring charges, embed or share them across channels, retry failed payments, and connect payment gateways with analytics and email notifications.
Free tier unknownHR
Checkr provides AI-assisted background checks and verification for hiring, tenant, mortgage, and trust use cases. Packages combine criminal searches, identity verification, and add-ons like MVR or drug screening with pay-as-you-go report pricing.
Free tier unknownAssistant
Checksum is an AI testing platform that generates, runs, and maintains Playwright end-to-end tests plus API coverage for fast-moving engineering teams. It plugs into CI, learns from production errors, and offers specialized E2E and API agents so teams can bootstrap broad coverage in weeks instead of hand-writing brittle suites.
Free to startAssistant
Cheers is a done-for-you local SEO and AI visibility service for home-service businesses. The agency manages Google Business Profiles, reviews, localized content, website fixes, and agent-ready location data so HVAC, plumbing, roofing, and franchise brands show up in search and AI recommendations.
Free planDeveloper tools
Chhoto URL is a lightweight self-hosted URL shortener written in Rust with an Actix backend and SQLite storage. It supports custom aliases, expiring links, hit counts, notes, QR codes, a programmatic API, and tiny OCI container images for low-memory deployments.
Free planAssistant
Chibisafe is a self-hosted file vault and uploader written in TypeScript. It supports chunked uploads, a fast HTTP API, public or invite-only modes, user accounts, and shareable links so teams can run their own modern alternative to hosted file-sharing services.
Free planAssistant
CHICKEN is a mature Scheme compiler that emits portable C, supports R5RS and R7RS, and ships with an extension ecosystem called Eggs. It targets Linux, macOS, Windows, and many CPU architectures for developers who want a lightweight Lisp toolchain.
Free to startAI Mandarin speech
Chinese Text to Speech is a Chrome extension for reading selected or pasted Mandarin text aloud. The developer describes AI speech synthesis for pronunciation practice and accessible article reading, with playback from a toolbar popup rather than a separate writing workspace.
Free planAccounting
Chipax is Chilean SMB accounting software that connects to SII tax data and bank feeds to reconcile transactions, manage payables and receivables, and visualize cash flow for finance teams.
Free tier unknownAssistant
Chiron is a mobile math tutor app backed by Y Combinator that keeps students thinking instead of lecturing them. The minimalist site describes AI that offers just enough help to get unstuck and links to an iOS App Store download for learners, with a separate outreach path for schools and tutors.
Free planAssistant
Chitchatter is a free, open-source peer-to-peer chat web app that runs without a central API server for basic use. It offers WebRTC end-to-end encryption, ephemeral messages, optional self-hosting, embeddable rooms, and decentralized file transfer between browsers.
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