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 planOptimization library
Choco-solver is a free open-source Java library for constraint programming where users declare constraints on decision variables and the solver alternates filtering algorithms with search to find feasible solutions.
Free planVoice
Chord Variations is a browser tool for building short chord progressions and generating AI variations on demand. Users pick root notes and qualities, add up to five chords, and run generation powered by OpenAI GPT-4 with optional tour guidance.
Free planAssistant
Chorus is a lightweight Mac desktop app for chatting with many frontier and local AI models in one interface, including multi-model synthesis, PDF and URL parsing, and keyboard shortcuts. Paid Plus and Frontier tiers add bundled model access beyond the free Hobby bring-your-own-key plan.
Free tier unknownAssistant
Christmas Card Factory turns a family photo into a painterly holiday card in about a minute using AI styles inspired by vintage Christmas art. Customers can buy a digital PDF for home printing or a printed and shipped set from a Portland, Maine studio.
Free planVector database
Chroma provides open-source and cloud search infrastructure for AI with vector, full-text, regex, and metadata search backed by object storage. Chroma Cloud adds serverless scaling, SOC 2 controls, and usage-based billing for production workloads.
Free planCode
Chromatic is a UI testing and review platform from the Storybook team that captures visual, interaction, and accessibility snapshots in real browsers. It integrates with Storybook, Vitest, Playwright, and Cypress workflows to catch regressions, assign reviewers, and reduce flaky snapshot noise via TurboSnap.
Free trialImages
Chromatic Lens is an AI product photography app that enhances catalog images, removes backgrounds, and generates styled scenes to improve e-commerce visuals. Pricing offers a free trial plus Basic and Pro monthly generation bundles.
Free planProductivity
Chrome Remote Desktop is Google’s free remote access service for securely connecting to your own computers or sharing your screen with others. The web experience lets you access a home or work machine from a phone, tablet, or another computer, or collaborate in real time without installing a separate remote-desktop suite.
Free planImages
Chronicle is an AI presentation maker that turns notes, docs, and business context into editable, on-brand slides with diagrams and export to PDF, PPT, or web. It targets teams creating sales decks, updates, and research presentations with token-metered AI features.
Free tier unknownAssistant
Chronicle Labs offers an AI agent testing and validation platform that turns production data into staging environments for pre-launch evaluation. Teams connect tools, capture real conversations, replay production behavior in hours, and measure scenario coverage to catch agent failures before customers do.
Free planAssistant
ChronoFrame is a self-hosted personal photo gallery you deploy with Docker. It manages photos through a web UI, supports multiple storage backends including S3-compatible stores, Live Photo handling, SQLite without a separate database, and map-based geolocation views.
Free tier unknownVoice
Chronox AI is an omnichannel customer experience platform for no-code voice and chat agents across WhatsApp, Instagram, Facebook Messenger, websites, and Slack. It emphasizes WhatsApp Business API campaigns, AI credits for text and voice, and optional professional setup services.
Free tier unknownLogistics
chrt is an AI-native logistics platform for time-critical freight forwarding. It unifies courier operations, airline handoffs, live order tracking, billing, and tracker hardware for medical, pharma, and urgent shipments.
Free trialAI calendar planning
Chunk is a macOS time-blocking app with an optional local MCP server for planning through Claude Desktop. Tasks, recurring templates and calendar events share a timeline; Claude can read the schedule and create, edit or remove items while the app synchronizes supported calendars.
Free planImages
Chunky is a no-code AI chatbot builder that trains on website URLs and PDFs so businesses can embed a human-feeling support bot. It highlights a generous free-forever tier, founder-led support, and paid Hacker and Growth plans with higher message limits.
Free to startResearch
ChurchCalls.ai provides an AI phone agent that answers church lines, takes messages, transfers urgent calls, and emails summaries without changing phone numbers. The service targets ministries that miss calls when staff are unavailable.
Free tier unknownFinance
Churnkey provides growth infrastructure for subscription companies, combining cancel-flow optimization, payment recovery, retention analytics, and newer growth plays. The vendor markets in-app save flows, precision retries, customer timelines, and integrations aimed at reducing churn and lifting recurring revenue.
No free planAssistant
Chutes is a serverless AI compute platform for deploying and running open-source models in production, advertising rapid access to new LLM releases on confidential TEE hardware. Developers pay per token for public inference or per-second GPU fees for private chute deployments.
Free planAssistant
Chyrp Lite is an ultra-lightweight PHP blogging engine for self-hosted sites. It ships responsive HTML5 themes, semantic accessible markup, Feathers for custom content types, and an admin console suited to traditional blogs or tumblelogs.
Free trialCustomer Support
Ciao by WorksBuddy is a configurable AI voice agent for inbound calls, outbound workflows and website conversations. Uploaded documents ground its answers, while call transcripts, timings and structured results support review. The service documents a REST API and signed webhooks for a business system handoff.
Free trialCode
CICube is an AI DevOps observability platform focused on GitHub Actions that analyzes pipeline failures, CI costs, and slowdowns. Its Essential plan tracks repositories with AI recommendations, CubeScore metrics, alerts, and six months of retention.
Free tier unknownAssistant
Cignara builds enterprise voice and chat AI agents for B2C support that reason on customer data, take real actions, and surface revenue opportunities during conversations. The platform adds real-time transcription, verifiable citations, sentiment analysis, and vertical playbooks for retail, banking, insurance, and telecom.
Free planProduction
Cinapse is a collaborative film and TV scheduling application for assistant directors and production managers. Teams share stripboards, calendars, layouts, and reports with offline mode and real-time collaboration.
Free tier unknownAssistant
CinemaFlow AI converts scripts into polished AI-generated videos with one-click scene selection, style controls, and collaboration features. Public pricing lists Starter, Professional, and Enterprise tiers with monthly video credit allowances and HD or 4K export options.
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