661 tools
Free tier unknownChatbots & assistants
Charisma.ai builds immersive conversational AI experiences for training simulations and brand campaigns with real-time analytics on engagement. Studios use SDKs to deploy branching dialogue with speech-to-text, AI voices, and generative dialogue features in web, VR, or game engines.
Free to startWriting & content
Charley.ai is an AI writing assistant for students that generates essays, research outlines, citations, and plagiarism checks from assignment uploads. The workflow walks users from rubric ingestion through AI drafting, style matching, and export-ready documents.
Free trialEducation & tutoring
Chatty Tutor is an AI English conversation coach that lets learners practice speaking through chat-style lessons with instant feedback on grammar and pronunciation. The homepage promotes 24/7 availability, progress tracking, and topics from casual chat to business English.
Free planEducation & tutoring
Chat University is a UCAS application dashboard for UK university applicants. It combines course discovery, a large offer database, grade tracking, personal statement tooling, admissions-test prep, and interview support in one student workspace.
No free planCompanions & character chat
Chat With Legends hosts AI role-play conversations with historical figures such as Einstein, Cleopatra, and Shakespeare. Users can start one-on-one chats or multi-legend roundtables powered by OpenAI models.
Free tier unknownEducation & tutoring
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 planEducation & tutoring
CiteMe is a free citation generator and reference checker that searches OpenAlex, CrossRef, PubMed, and other scholarly indexes across sixty-plus curated styles. Pro upgrades add batch PDF import, unlimited reference checking, ten-thousand-plus CSL styles, and bibliography exports without ads.
Free planEducation & tutoring
Classology (Classmate roster entry) is an AI study workspace for homework and exam prep across 50+ subjects. Students upload PDFs, slides, videos, or audio to generate study guides, flashcards, quizzes, podcasts, and AI tutor chat, with spaced-repetition scheduling and an AI Solve feature for step-by-step question help on web and mobile apps.
Free planEducation & tutoring
ClassMind is an AI workspace for educators, students, schools, and districts to generate standards-aligned lesson plans, worksheets, quizzes, presentations, rubrics, and grading assistance. Teachers use 40+ tools plus the Hya assistant to cut prep time while aligning content to global curricula from the EU-hosted platform.
Free planEducation & tutoring
ClassPoint AI generates interactive quiz questions directly from PowerPoint slides using AI. Educators can produce multiple choice, short answer, and fill-in-the-blanks items aligned to Bloom’s taxonomy, collect live responses in class, and support multiple languages via OpenAI-backed generation.
Free planEducation & tutoring
CleverExams is an AI-powered CELPIP preparation platform for Canadian Express Entry candidates. It offers timed mock exams, instant AI scoring for Writing and Speaking, CLB tracking dashboards, and vocabulary practice tied to CRS point gains.
Free trialVideo
Clixie is an interactive video platform for training, sales, and education that adds hotspots, chapters, quizzes, branching, and AI-generated localized videos. Teams publish engaging players with analytics, editor seats, streaming bandwidth limits, and optional enterprise SSO and API access.
Free planHR & recruiting
COACH by CareerVillage.org is an AI-powered career coach offered free to individual learners and through institutional plans for schools, workforce programs, and platforms. It supports career exploration, readiness, and guidance with nonprofit pricing aimed at access rather than profit.
Free planEducation & tutoring
Coachchat is a personalized AI coaching platform with chat and voice tutoring that can see your screen in real time. Free users get short daily coaching sessions on chosen topics, while paid upgrades unlock unlimited daily access across courses and topics.
Free planEducation & tutoring
Coddy is a gamified coding education platform with interactive lessons, daily challenges, and an AI assistant across 15+ languages on web plus iOS and Android apps. It advertises free-to-start learning with optional premium upgrades for deeper progression.
Free trialEducation & tutoring
Codecademy’s AI learning tools embed an AI Learning Assistant, prompt-engineering coursework, mobile IDE coding, Docs tooltips, and AI feedback into its interactive catalog. The landing page highlights faster skill building across data science and coding basics with Pro-gated AI helpers inside Codecademy courses.
Free to startEducation & tutoring
CodeChef is a coding practice platform with courses, contests, and a browser IDE for learning algorithms and languages. It offers structured learning paths, competitive programming, and a Pro subscription for expanded learning features aimed at students and job seekers.
Free tier unknownEducation & tutoring
Codefinity is an online coding and AI skills platform with hundreds of courses, projects, challenges, and certificates spanning Python, web development, and leading AI tools like ChatGPT, Claude, Gemini, and Copilot. Learners practice inside a browser-based code runner with structured tracks for career-focused upskilling.
Free planEducation & tutoring
CodeFriends is a browser-based coding and AI education platform with interactive Python, web, SQL, automation, and prompt-engineering courses. It combines instant code execution, AI tutor feedback, one-click project hosting, and downloadable code for portfolio work.
Free planCoding & development
Codeground AI is a browser-based developer workspace combining an online IDE for many languages, cloud workspaces, coding interviews, courses with Ada, and assorted AI utilities. It targets learners and professionals who want edit-run-share flows without local setup.
Free planEducation & tutoring
Codemia is an interview-prep platform for system design, object-oriented design, DSA, ML system design, and agentic AI questions with interactive whiteboards and AI feedback. It compares itself to LeetCode-style active practice for architecture interviews rather than passive reading.
Free tier unknownEducation & tutoring
CodeSignal Learn is a skills development experience built around Cosmo, an AI tutor that adapts to each learner. The site markets career-ready learning paths and practice for technical skills that hiring teams look for.
Free planCoding & development
CodeTrain is a Socratic AI coding tutor that guides engineers through real repositories with questions, code review, and test runs while refusing to auto-write solutions. The homepage positions it for individual learners and engineering teams ramping on unfamiliar codebases, with tiered plans for public-repo lessons, private repo mode, and team seat management.
Free planEducation & tutoring
Coding Guru is a lightweight web tutor where users pick Python topics such as basics, range functions, or loops, then chat with an AI coding teacher while optionally sharing code from an on-page editor. It is aimed at guided problem solving rather than autonomous project generation.
Showing 216 of 661 tools
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