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 planWriting
NoteDiscovery is a self-hosted Markdown knowledge base with wikilinks, graph view, drawing tools, LaTeX, Mermaid diagrams, and MCP integration for Claude and Cursor. It emphasizes privacy, plain files on disk, and MIT-licensed software without subscriptions or telemetry.
Free to startAI notes
NoteWorthy is an Apple-device notes app that uses on-device models to create titles, summarize drafts, clean up Markdown and file notes into meaningful labels. It combines Apple Foundation Models with bundled EmbeddingGemma for semantic filing, while keeping note export available as Markdown.
Free to startAI ads operations
NotFair connects AI clients to advertising, search, analytics and selected business platforms. An assistant can inspect live campaign data and prepare keyword, bid, budget or content changes, while the connector stages each write for approval and logs its result. Supported platforms include Google, Meta, X, LinkedIn, Reddit and TikTok Ads.
Free planWorkspace
Notion is an AI workspace where teams write docs, manage projects, build wikis, and automate workflows in one connected app. The homepage highlights custom agents, enterprise search, meeting notes, and databases alongside calendars and published sites.
Free trialWriting
Notion AI is the vendor’s in-workspace AI layer for search, writing, agents, meeting notes, and enterprise knowledge tasks. The product page markets a 24/7 AI team that answers questions, prioritizes work, and completes multi-step tasks using Notion and connected app context.
Free planCode
Notte is a browser platform for AI agents offering concurrent browser sessions, live view, residential proxies, authenticated profiles, prompt-driven browser agents, and colocated browser functions. Credit-based plans bill transparent usage for sessions, functions, proxies, and LLM tokens.
Free tier unknownResearch
Nous Research is an open AI training and research organization known for Hermes models and the Hermes Agent harness. The site describes work on open intelligence, model architecture, data synthesis, fine-tuning, and agent research aimed at broad access rather than closed platforms.
Free tier unknownQA automation
Nova (TryNova.ai) is an AI QA agent that generates, executes, and maintains end-to-end tests based on real user behavior, integrating with CI/CD for pull-request feedback. It targets faster coverage of critical journeys like checkout and signup while reducing brittle test maintenance.
Free tier unknownFintech
Nova Credit is a consumer-permissioned credit infrastructure platform that unifies international bureau data, bank transactions, payroll feeds, and documents for underwriting and income verification. Products include Cash Atlas, Credit Passport, Income Navigator, and Eligibility Compass on one platform.
Free planResearch
NovaFlow is an AI data analyst for biology labs that turns raw instrument outputs into statistics, figures, and writeup-ready results. The service combines computational pipelines, interactive exploration, and expert scientific review from upload through publication-ready reporting.
Free planCode
Noveum.ai is a closed-loop AI agent evaluation platform with calibrated scorers for chat, voice, and workflow agents on production traces. It bundles NovaSynth testing, NovaPilot trace analysis, org-flat credit billing, and optional validated fixes shipped as pull requests.
Free tier unknownHealthcare AI
Novoflow deploys computer-using AI agents that operate a medical practice’s EHR like human staff to automate operational bottlenecks such as scheduling and claims work. Forward-deployed engineers map SOPs, provision a staff login, and launch HIPAA-aligned agents within weeks.
Free planCode
Novu is open-source notification infrastructure for connecting AI agents and products to customers across in-app, email, SMS, push, WhatsApp, Slack, Teams, and Telegram channels. Cloud plans meter workflow runs while enterprise options add compliance, residency, and self-hosted deployment.
Free trialAssistant
Nox is an AI job agent that finds roles, drafts tailored CVs and cover letters in your voice, and submits applications through employer ATS flows. The homepage walks through find, match, write, submit, and track stages with optional auto-submit controls.
Free tier unknownAssistant
Nozomio Labs is a product studio focused on context in AI, operating multiple products with Folk as the current main focus. The site describes an AI friend experience alongside earlier makers such as Nia and AgentSearch under the Nozomio umbrella.
Free to startImages
Nsketch AI is a creative studio for AI image and video generation, upscaling, lipsync, voice cloning, motion transfer, and trend templates. Subscription plans allocate monthly credits across models such as Seedance with tiered concurrency and queue priority.
Free planMessaging
NSQ is a realtime distributed messaging platform implemented in Go that provides fault-tolerant queues without a single global broker dependency. The project site documents topology, client libraries, and operational patterns for decoupling microservices with at-least-once delivery semantics.
Free planDeveloper tools
NSubstitute is an open-source .NET mocking library focused on Arrange-Act-Assert tests with readable syntax for stubs, spies, and substitutes. The official docs explain how to configure return values and assert received calls without heavy lambda noise compared with older mocking frameworks.
Free planVoice
NSynth Super is an open experimental hardware interface for Google Magenta’s NSynth neural synthesizer algorithm. It lets musicians explore new timbres by blending learned characteristics of acoustic sources rather than simply mixing samples.
Free planAssistant
nTask is an all-in-one project management workspace covering tasks, Kanban boards, Gantt charts, meetings, issues, timesheets, and risk tracking. Paid Premium and Business tiers add advanced planning features while a Basic plan stays free for small teams.
Free planInfrastructure
ntfy is a simple HTTP pub-sub notification service for sending push alerts to phones and desktops via REST, CLI, or mobile apps, with fully open source self-hosting. The hosted ntfy.sh service also offers paid ntfy Pro plans for reserved topics and extended limits.
No free planAssistant
ntopng is ntop’s network traffic analysis software for visibility, performance monitoring, threat detection, and flow analytics. Community builds are available while commercial Pro and Enterprise licenses unlock higher-scale features through the ntop shop.
Free tier unknownMedical AI
Nucleo automates oncology CT scan analysis for body composition, tumor lesion sizing, and RECIST-oriented lesion classification. The company advertises faster-than-manual segmentation with high expert agreement for hospital partners.
Free planAssistant
Nuclino is a lightweight team workspace for docs, projects, and knowledge sharing with real-time editing, fast search, and optional Sidekick AI on higher tiers. Free, Starter, and Business plans scale item limits, storage, and admin controls per user.
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