Free AI tools

TrendSpider is an automated technical analysis and market scanning platform for traders, which uses algorithms to automatically identify trend lines, patterns, Fibonacci and key support and resistance, reducing subjective judgment and repeated line drawing time, making technical analysis faster and more accurate. TrendSpider has a powerful built-in Strategy Tester that supports backtesting and pretesting strategies without programming, and can evaluate strategy performance under different market conditions based on 50+ years of historical data. With Market Scanner, users can also describe filters in text or voice, and the system automatically generates scanners and alerts to quickly identify trading opportunities that meet the rules. TrendSpider also provides capabilities such as AI Strategy Lab for training and optimizing predictive strategy models, suitable for trading research, opportunity mining, and strategy iteration.

Public.com is a multi-asset investment and investment research platform for individual investors, providing trading and management portals for stocks, ETFs, bonds, treasury bonds, options and crypto assets. Public.com Focus on strengthening the AI investment research experience, with a built-in Alpha intelligent investment research assistant, which can use natural language to quickly screen market targets, summarize news points, refine financial reports and key financial indicators, and organize scattered information into more understandable conclusions, helping you do investment research and asset tracking more efficiently. Public.com It is suitable for people who need one-stop account management, real-time market viewing, investment research search and investment decision support, making investment research more time-saving and systematic.

LemFi is an international remittance and multi-currency account platform for cross-border people, focusing on completing overseas transfers and cross-border payments with lower fees and more transparent exchange rates. LemFi supports opening real USD and GBP accounts to receive payments or payroll from overseas customers, and hold, exchange, and transfer multiple currencies within the app. With LemFi, you can send money quickly from the UK, US, Canada, and some European countries to many countries around the world, with low or zero fees on some routes. With a mobile experience at its core, LemFi is ideal for African expatriates and international workers for daily cross-border remittances, family transfers, and international collections.

Fiscal.ai is an AI investment research platform for investors and institutions, integrating high-quality financial data, fundamental analysis, and conversational AI from global stocks, ETFs, and funds into a single research terminal. Fiscal.ai Support quick query of financial statements, valuation indicators, ratios and forecast data, and centralize investor relations materials, announcements and company information, reducing the time of searching back and forth across multiple sites. With Fiscal.ai Copilot, you can ask questions about your company's business, risks, and key drivers in natural language, and get more readable research conclusions and key points. For teams that require systematic research and data access, Fiscal.ai also provides data API and workflow capabilities to improve investment and research efficiency and decision-making quality.

Linnk AI is an AI office tool for learning and research scenarios, with "document summary + multilingual translation" as the core, helping users quickly read long materials and output key conclusions. After uploading files such as PDF, Word, PPT, Excel, or images, Linnk AI can automatically refine key points, generate structured insights and summaries, and maintain the original layout for high-quality translation when needed, making it suitable for paper reading, report combing, and cross-language data processing. Linnk AI also offers a browser extension that allows for instant summarization and translation of web content, reducing the time spent copying and pasting back and forth. Through features such as document insight, page understanding, and mind mapping, Linnk AI enables faster and clearer information acquisition, enhancing research and office efficiency.

Trancy is an AI tool that focuses on immersive translation and language learning, turning the videos and web pages you watch into learnable bilingual materials through browser extensions and mobile terminals. Trancy supports AI bilingual subtitles and intelligent subtitle segmentation on platforms such as YouTube and Netflix, and provides reading mode and cinema mode to help improve listening comprehension and follow-up efficiency. On the web side, Trancy provides word translation, sentence translation, and full-page immersive translation, which can be compared with the original text and the translation according to the context, making it more natural to learn while reading. Trancy also supports functions such as highlighting and collecting new words, personal learning library precipitation, speaking practice and AI scoring, which is suitable for foreign language reading, video learning, data translation and writing expression polishing.

Khan Academy is a world-renowned free online learning platform that provides courses and exercises in mathematics, science, humanities, computer science, and exam preparation, supporting learning progress tracking and ability grading, suitable for students' self-study and classroom assistance. Khan Academy also launched the Khanmigo AI learning assistant, which provides homework tutoring and concept explanations in the form of conversational AI tutors, helping to truly understand rather than give answers directly. For teachers, Khan Academy and Khanmigo can also be used for lesson preparation and classroom activity design, enhancing personalized learning and teaching efficiency.

Gauth (formerly Gauthmath) is an AI homework assistant and AI learning assistant for students, focusing on photo search and conversational Q&A. Gauth supports uploading question images or directly entering questions, quickly giving step-by-step analysis and key ideas, covering multidisciplinary homework scenarios such as mathematics, calculus, physics, chemistry, biology, business, and social sciences. In addition to AI problem solving, Gauth also provides AI calculators and follow-up explanations to help turn "getting answers" into "understanding methods"; When encountering problems, you can further obtain the assistance of real tutors/experts to improve the efficiency of homework completion and learning effectiveness. Whether it's daily assignments, pre-exam review, or filling in gaps, Gauth can continuously improve learning efficiency with AI Q&A and step-by-step explanations.

Duolingo is a language learning platform for global users that makes multilingual training easier for English, Japanese, French, and more through gamified courses. Duolingo offers listening, speaking, reading and writing exercises and personalized learning paths, combined with intelligent error correction and review mechanisms to help you steadily improve your vocabulary, grammar, and expression. For advanced needs, Duolingo also introduces conversational AI features, such as role-playing speaking practice and more detailed answer explanations, making learning more like chatting with an "AI tutor". Whether it's daily check-ins, exam preparation, or travel speaking training, Duolingo can continuously improve language learning efficiency with high-frequency interaction.

Chegg is an online learning and homework tutoring platform for students, providing textbook answers, step-by-step explanations, question analysis and online tutoring services in the form of "homework solving + concept understanding". In recent years, Chegg has enhanced its generative AI learning experience, allowing students to input questions with text, images, or math problems through conversational learning assistants such as CheggMate, allowing them to obtain clearer breakdown steps, extended explanations, and personalized exercises. Combine trusted content with multi-model comparison tools to help reduce the risk of "unreliable answers". Whether it's daily homework, pre-exam review, or problem solving, Chegg can upgrade search-based answer finding to conversational understanding and training, improving learning efficiency.

APEUni is an AI intelligent exam preparation platform for PTE Academic and PTE Core candidates, with a self-developed AI scoring engine as the core, providing oral pronunciation and fluency assessment, writing grammar and spelling detection, as well as mock test exercises and instant reports that are closer to the real exam. Through question bank training, wrong question review, and progress tracking, APEUni helps candidates quickly identify weak points and formulate improvement paths. At the same time, it supports the synchronization of web and mobile learning records, which is suitable for high-frequency exam preparation scenarios such as daily question brushing, speaking practice and writing score improvement, making APEUni a more efficient PTE score improvement tool.

ABCmouse is an online early education and enlightenment learning platform for children aged 2-8, focusing on ABCmouse's graded curriculum and personalized learning paths, turning reading, math, science, social studies, music, and art into interactive games, animations, books, and exercises. ABCmouse offers a large number of step-by-step lesson levels and reward mechanisms to help children build foundational skills at their own pace, while making it easier for parents and teachers to track learning progress and weaknesses. As the product continues to upgrade, ABCmouse is also introducing AI-driven personalized learning and feedback, making children's learning more efficient and fun, suitable for home self-study and classroom assistance.

Quizlet is an AI-enhanced learning platform with word cards as the core, Quizlet supports the creation and search of massive learning sets, and uses modes such as "learning, quizzes, and practice questions" to improve memorization and problem solving efficiency. Focusing on exam preparation and daily review, Quizlet provides AI learning tools, such as automatically converting class notes or materials into flashcards, practice quizzes and outlines, and using AI tutor-style conversations to help you understand concepts and fill in gaps in Q&A. Quizlet is suitable for language learning, K12, university courses, and vocational exams, and can be learned at any time on web and mobile devices, with data-based progress and personalized exercises, making Quizlet a more time-saving and systematic learning and review tool.

Preply is an online language learning and one-on-one tutoring platform that helps you improve your speaking, listening, and writing skills faster through global tutor matching and artificial intelligence learning assistance. Preply supports filtering tutors by language, price, time, and area of expertise, and complete video classes, chats, screen sharing, and whiteboard interactions in Preply Classroom after booking a preview. Combined with AI tools, Preply provides classroom takeaways and error correction feedback, daily exercises, and situational conversation training to make learning paths more personalized and sustainable. Whether it's exam preparation, business trips, or daily improvement, Preply can use real teaching + artificial intelligence practice to maximize language learning efficiency.

Kahoot! It is an interactive quiz and gamified learning platform that allows you to quickly create, share, and interact with questions in real-time in the classroom, training, and meetings. Kahoot! Provide AI tools that can automatically generate questions and complete quizzes from topics, web content, Wikipedia, or uploaded PDFs, significantly reducing the time spent on questions and lesson preparation. At the same time, it supports custom difficulty and tone, making it easy to match different teaching objectives. With real-time rankings, feedback, and data analysis, Kahoot! Make knowledge checks, review training, and team learning more engaging, and make it easier to form sustainable learning and operation processes.

Edpuzzle is an interactive video teaching platform for teachers and schools, using Edpuzzle to edit videos such as YouTube or your own videos into evaluable "video lessons". Edpuzzle supports the insertion of multiple-choice questions, open-ended questions, and audio explanations at key points in time, forcing students to answer while watching, improving classroom engagement and learning effectiveness. The platform can be integrated with common LMSs, allowing teachers to assign assignments, view viewing progress and answer data, and quickly identify weak spots. Edpuzzle also provides automatic question generation based on video content to help teachers generate questions and embed videos in less time, making them suitable for flipped classrooms, post-class exercises, and formative assessments.

Brainly is an AI learning assistant and homework tutoring platform for students, providing 24/7 AI tutor-style conversations and massive question bank Q&A to help turn "knowing the answer" into "real understanding". Brainly supports entering questions to quickly get step-by-step explanations and idea prompts, and can also ask for details in chat to gradually break down difficult points in mathematics, science, English, and other subjects. Brainly can also generate practice questions, quizzes, and study outlines from notes and questions to improve review efficiency. Through the combination of AI tutoring and community expert answers, Brainly is suitable for daily homework analysis, pre-exam sprints, and continuous learning improvement.

Story.com is a one-stop AI video generation and story creation platform that generates short videos with storyboards, graphics, and dubbing by entering prompts, and provides a timeline editor to adjust scene-by-scene, replace shots, and edit subtitles and audio tracks, making AI videos more controllable and iterative. Story.com also provides character studios to help keep characters consistent with characters, suitable for serial plots and series content production; At the same time, it supports the generation of interactive stories and illustrated storybooks to meet the needs of social media short videos, brand narratives, educational content and content publishing. Story.com Make the AI video production process from idea to finished film faster and more stable.

RedQuill is an AI writing story generation platform for adults and intimate themes, focusing on quickly generating personalized plots with prompts, and making the story more suitable for your character, worldview, and plot preferences through meticulous parameter control. RedQuill supports creating stories from scratch, and you can also discover other people's works in the community and "remix/rewrite" them, extending your favorite characters and scenes to new directions. The platform provides privacy and sharing settings, and the content created is controllable by default, which can be saved privately or publicly published and communicated. For users who need inspiration expansion, quick drafting, and iterative iterations, RedQuill can serve as a stable AI story generator and AI writing assistant, improving creative efficiency and playability.

Friends & Fables is an AI-powered tabletop role-playing platform that combines "world building" and "running group experience" into one product. Friends & Fables allows you to create custom worldviews and campaign content, quickly generate settings for non-player characters, monsters, items, spells, locations, and more, and let AI hosts advance the story and interact in a 5e-style adventure. During gameplay, Friends & Fables will help you record key clues, manage character stats, and battle information, allowing you to focus more on role-playing and making choices. Whether playing solo or teaming up with friends, Friends & Fables brings more immersive AI roleplay and story exploration with a conversational experience.

DreamPress AI is an AI writing platform focusing on novel and story creation, DreamPress AI supports quickly generating a complete plot with a single prompt, and can customize character settings, character relationships, world view, and plot direction, so that inspiration can be turned into readable chapter content faster. DreamPress AI covers a variety of themes such as romance, fantasy, adventure, and suspense, and also supports more free adult creative needs, making it suitable for solving writing stuck shells and mass-producing stories. Through capabilities such as continuation, rewriting, and plot branching, DreamPress AI can continuously optimize paragraph expression and narrative rhythm; At the same time, it can be used to generate illustrations and share them with the community, helping creators efficiently complete AI novel generation, story generator-style creation, and content publishing.

DeepFiction is an AI writing and interactive storytelling platform for creators, focusing on AI story generation, fan writing, and role-playing dialogue. DeepFiction supports generating complete stories based on theme, tone, worldview, and length, and can also create personalized settings for characters and continuous dialogue, allowing the plot to progress naturally. With inspiration prompts and advanced parameters, DeepFiction can quickly generate chapter outlines, character relationships, dialogue and plot reversals, and supports the generation of cover style drawings for easy publishing and sharing. Whether writing short, long, or creative proposals, DeepFiction can improve AI writing efficiency and content output quality.

Storybird is an online writing and reading platform inspired by illustrations, helping students, teachers, and creators quickly turn inspiration into shareable stories. Storybird offers a variety of creative forms, such as picture books, long stories, and poetry, where you can build plots and characters from selected artworks, making the writing process more graphic and easier to stick to. The platform also provides writing courses, challenge tasks and reader feedback mechanisms, which are suitable for classroom writing training, family reading companionship and personal creative practice. Focusing on the needs of "creative writing, story writing, and picture book writing", Storybird makes writing exercises more systematic and works more complete.

Storied is a family memory platform that tells stories about family trees and family history, supporting the construction of family trees, sorting out relationships between relatives and friends, and searching for clues through historical records, making genealogy query and family history research more intuitive. Storied emphasizes "stories" more than just genealogical information, you can write family stories for people and events, upload photos and materials, and collaborate with your family to build a family profile. The platform has built-in AI writing features such as StoryAssist, which can generate editable story drafts by simply entering key details and tone style, helping to write family history, memories, and ancestral experiences into shareable content faster, preserving and passing on family stories for a long time.