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Most reviewed · 2,702 AI tools (2026)

Sorted by how many people left a review. More reviews means more people actually used it, which beats a bare score.

2,702 tools
OnDemandAI AgentsOnDemand AI Agents is a decentralized OS that lets users build, deploy, and scale AI agents without a dev team. It offers a no‑code workflow builder, an agent marketplace, secure model integration, an AI playground for testing, and enterprise‑grade security.on-demand.ioFree★ 5.0One AIAI SalesOneAI’s AI Phone Call Agent automates phone, SMS, and WhatsApp campaigns with an AI‑native dialer, real‑time lead qualification, CRM integration, 5‑second callbacks, and detailed analytics for scalable, compliant sales outreach.oneai.comFree★ 5.0OnVerbAI Chat AssistantsOnVerb offers a unified AI workspace with access to GPT‑5, GPT‑4, Claude 4.5, Gemini 2.5, and more. It supports reusable brand‑aligned prompts, AI‑powered document editing, bulk CSV processing, encrypted system rules, and team collaboration.onverb.com★ 5.0Onvo AIAnalytics & BIOnvo AI revolutionizes data visualization through AI prompts, enabling users to easily generate tailored charts and dashboards without intricate queries. It ensures secure sharing, supports multiple data source integrations, and provides SDKs for smooth product incorporation.onvo.ai★ 5.0OpalAi ScanTo3DAI Models & TrainingOpalAi’s Vision Language Models cut video analysis from hours to minutes for planners and safety teams. Its wildfire intelligence turns geospatial data into actionable risk insights, while ScanToBIM/ScanTo3D convert point clouds into BIM or CAD models instantly.opal-ai.com★ 5.0Open GPTAI Coding ToolsOpenGPT lets users build ChatGPT‑based applications instantly using a library of ready‑made AI tools for productivity, copywriting, coding, entertainment, and education. The platform offers prompt‑to‑code conversion, regex creation, and tools that refine prompts and transform requests into actionable outputs.open-gpt.appFree★ 5.0OpenAssistantGPTDeveloper Tools & APIsOpenAssistantGPT is an open‑source SaaS that lets you build no‑code AI chatbots for websites. It auto‑crawls a URL, supports GPT‑4/3.5, handles file attachments, SAML/SSO, API calls, and web search, with GitHub source and Vercel SDK.openassistantgpt.io★ 5.0OpenCraft AIAI Chat AssistantsOpenCraft AI is a secure, multi‑model copilot that unifies GPT‑4, Claude, and Gemini. It preserves context across model switches, keeps uploaded files accessible, auto‑formats chats into reports or decks, and generates images with consistent voice tone for streamlined workflows.opencraftai.com★ 5.0Openfabric AIDeveloper Tools & APIsOpenfabric is a decentralized layer‑one blockchain that lets AI developers, data providers, and infrastructure partners build, train, and deploy algorithms on a permissionless network. Its marketplace offers ready‑made tools, and token holders can stake for governance and liquidity.openfabric.aiFree★ 5.0Openjourney BotAI Image GenerationOpenJourney is an AI image generation tool that creates unique artwork from prompts, featuring face restoration, background removal, sketch transformation, and 4K upscaling, ideal for artists and creative professionals seeking efficient visual content creation.openjourneybot.com★ 5.0openknowledgemaps.orgAI Search EnginesOpen Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers high‑quality metadata, multilingual browsing, and open‑source integration.openknowledgemaps.orgFree★ 5.0OpenReadAI Models & TrainingOpenRead centralizes research by letting users upload documents, search 20,000+ journals, compare papers, generate Q&A, graphs, notes, and chat with AI models. It also offers diagram creation, image editing, and homework help, with frequent model updates.openread.academy★ 5.0OptimyzeeAI MarketingOptimyzee automates Google Search campaign setup and optimization: it builds structures, generates keyword and negative keyword lists, writes responsive ad copy, validates assets, and tracks CTR, CPC, CVR, and Quality Score to guide adjustments, cutting effort and boosting performance.optimyzee.com★ 5.0OpusOtherOpus is a decentralized entertainment AI tool that enables users to create and produce various forms of content using advanced AI technology, reducing production costs and time.opus.ai★ 5.0OrgaNiceAnalytics & BIOrgaNice is an AI‑powered Slack‑first platform that automatically builds and updates org charts, tracks milestones, manages PTO and remote work requests, delivers value‑aligned kudos, and offers quick AI‑insight surveys—all within Slack.organice.app★ 5.0Osfin.aiAI FinanceOsfin automates high‑speed reconciliation for banking, payments, and fintech operations. It ingests data via low‑code connectors, applies custom rules, and delivers real‑time dashboards of exceptions, cash flow, and audit trails, supporting regulatory compliance.osfin.aiFree★ 5.0OtterTuneDeveloper Tools & APIsOtterTune is an AI-powered tool that optimizes PostgreSQL and MySQL databases by suggesting improvements, detecting inefficiencies, and automating performance enhancements for better efficiency, cost reduction, and simplified administration.ottertune.com★ 5.0Otto EngineerAI Coding ToolsOtto Engineer is an AI-powered coding assistant for testing and iterating code. It offers a user-friendly setup, interactive chat interface, and enables real-time code execution, debugging, and testing in a secure browser environment.otto.engineer★ 5.0Outboundly.aiAI SalesOutboundly automates B2B cold outreach by discovering, verifying, and enriching leads from a 300 million‑contact database. AI rep Eva crafts personalized email sequences, while automated warm‑up, sender rotation, and multilingual support optimize deliverability. One dashboard manages campaigns and CRM integration.outboundly.ai★ 5.0OutlierKitAI Video GenerationOutlierKit analyzes millions of YouTube videos to reveal high-performing topics, low-competition keywords, and outlier content, offering hook and script analysis, retention patterns, trend predictions, and channel-level insights to guide data-driven video ideas and optimization.outlierkit.com★ 5.0Outlit AIAI Email AssistantsOutlit consolidates data from PostHog, Stripe, Fireflies, Gmail, and Slack into a record, letting agents query all sources at once. Its agent layer flags churn, payment failures, and support spikes, drafts replies, and surfaces upsell opportunities and meeting prep insights.outlit.ai★ 5.0Oven AIAI 3DOven AI is a 3D icon generator that enables designers and developers to create customizable, high-quality icons. Its user-friendly interface supports various styles and streamlines the design process for both web and app applications.oveners.com★ 5.0pagaya.comOtherPagaya is an AI‑powered lending network that plugs into lenders’ origination systems, delivering instant processing and real‑time credit decisions without adding balance‑sheet exposure. It expands product reach and remains compliant with U.S. regulations.pagaya.comFree★ 5.0PaletteBrainProductivityPalettebrain is an AI tool that unlocks the power of ChatGPT across various Mac applications, allowing users to work smarter and streamline their workflows to boost productivity.palettebrain.com★ 5.0

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