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Compare plans, free tiers and API access across thousands of AI tools — every fact carries its source and check date.
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Free tier unknownAssistant
Rovi Health provides clinical navigation for employer health plans, pairing members with clinicians who guide care, find quality doctors, and navigate benefits. The homepage illustrates AI-assisted signals for chronic conditions, surgical routing, and mental-health matching.
Free tier unknownAssistant
Rovio AI is an Orlando-based AI consulting firm offering strategy, workflow automation, tool integration, and team coaching for businesses pursuing measurable ROI. Services span custom automation builds and 90-day enablement programs for Florida and nationwide clients.
Free planAssistant
Row Zero is a cloud spreadsheet built for big data workloads, connecting to warehouses such as Snowflake, Databricks, BigQuery, Postgres, and S3 while offering Excel-compatible functions, Python, pivot tools, and an AI spreadsheet agent. The company notes it has been acquired by Databricks.
Free planAssistant
RowebAI combines session recording, heatmaps, and an AI analyst that turns visitor behavior into actionable website insights.
Free to startAssistant
RowebCo is a Lake Nona-based agency building websites, custom web apps, SEO, maintenance, and automation for growth-focused businesses. The team offers same-day custom quotes for redesigns, new sites, and managed digital systems under one in-house shop.
Free planResearch
Rows AI adds spreadsheet-native AI that treats cells as prompts for formulas, charts, joins, and analysis. It targets teams that want a number-crunching copilot inside Rows with integrations and tiered AI task allowances.
Free to startImages
Roxybit turns real-estate listing photos into narrated, branded property videos with AI voiceover and captions. Agents upload stills and spend monthly render credit on 16:9 or 9:16 tours instead of hiring videographers per listing.
Free planInfrastructure
RRDtool is the open-source standard for high-performance time-series logging and graphing. It stores round-robin databases efficiently and ships bindings-friendly tooling for shell, Perl, Python, Ruby, and other environments.
Free planAssistant
RSS Filter is an open recommendation tool that learns from articles you read and filters noisy RSS feeds. Users upload an OPML export to generate filtered feed URLs backed by LLM embeddings and machine learning similarity scoring.
Free trialAssistant
RTA.POKER sells poker real-time assistance software that overlays GTO strategy charts on live online tables using advanced OCR and multi-game solvers. The site covers cash games, spins, and MTTs with large preflop and postflop solution databases.
Free tier unknownHealth
RTHM provides virtual specialty care and an intelligence platform for people with Long COVID, ME/CFS, POTS, MCAS, and related complex conditions. It combines expert clinicians with guided programs so patients receive evidence-based treatment paths instead of ad hoc self-navigation.
Free planAssistant
RTILA X is local-first AI web automation software for Windows, Mac, and Linux that builds bots via AI chat, visual recording, or 60+ commands. It targets marketers, agencies, and researchers who need on-machine data extraction without cloud lock-in.
No free planWriting
RubyGPT.ai is a simple AI writing assistant for essays, marketing taglines, poems, emails, stories, summaries, and other everyday writing prompts. The homepage offers preset tasks such as idea generation and tone improvements, with Google sign-in to open the app and try examples without a separate install.
Free planAssistant
Rubii is an AI character chat and roleplay platform for interactive stories, anime-style companions, and user-created characters. The site promotes free character chat, mobile apps, and Plus, Pro, and Premium subscriptions denominated in in-app Ruby credits rather than public USD tiers on the marketing site.
Free planAssistant
Ruby on Rails is a full-stack web application framework written in Ruby that follows MVC conventions for building database-backed apps. The official site highlights convention-over-configuration productivity, Rails 8 releases, extensive documentation, and a large open source contributor community.
Free planAssistant
Rudder is an open source IT automation platform for configuration management, patching, vulnerability remediation, and compliance across Linux and Windows fleets. The vendor site pairs the free Rudder agent with enterprise subscriptions, onboarding, and premium support options.
Free planAssistant
RudderStack is a warehouse-native customer data platform that collects, transforms, and routes event data to destinations and reverse ETL pipelines. The marketing site emphasizes agentic workflows, MCP control, SDK sources, and governance for product and data teams.
Free tier unknownAssistant
Rude Karma is a mobile astrology app that delivers daily horoscopes with a blunt or nice tone, birth chart interpretation, lunar insights, and astral Q&A. The marketing site focuses on App Store and Google Play downloads rather than a web product or subscription checkout.
Free planAssistant
Rukovoditel is a free open-source project management and business application designer that lets teams model databases, forms, and access rules on their own PHP and MySQL server. Extensions add calendars, Gantt charts, kanban boards, and reporting without switching to a closed SaaS PM tool.
Free tier unknownCode
Rulebase monitors AI and human customer-facing agents across chat and voice, detecting silent failures, policy breaches, and quality gaps. It pairs monitoring with simulations, self-improvement workflows, AutoQA, coaching, and MCP integrations for helpdesk and contact-center stacks.
Free planBusiness automation
Its Filament AI product converts documents into decisions, while the core engine executes rules from low-volume workflows up to enterprise throughput.
Free to startVideo
Rumora helps bootstrappers plant product mentions in viral video comment threads using a network of accounts, without connecting the customer's own social profiles. Agents draft parent comments and replies that read like organic users, with free starter credits on signup.
Free planAssistant
Runable is an AI general agent that builds websites, slides, reports, images, and videos while running workflows across chat, DMs, and team channels. Paid tiers raise monthly credits and add assistant features such as meeting notetaker, Flow voice input, and app-building with hosting integrations.
Free tier unknownAssistant
RunAnywhere is an inference lab offering hosted Wally frontier open models, local MetalRT and QHexRT accelerators, and open-source SDKs on one stack. Wally exposes an OpenAI-compatible hosted API while local tooling keeps execution explicit until users opt in to cloud runs.
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