Research & search

Free to start

Recruitarian

Research & search

Recruitarian uses AI-assisted candidate evaluation and ranking for hiring workflows.

• Not listed
• API unknown
• Checked Oct 10, 2026

Free plan

Redash

Research & search

Redash is an open-source platform for connecting to data sources, writing SQL queries, building dashboards, sharing visualizations, and alerting teams. The official site emphasizes a collaborative web SQL editor, broad connector support, scheduling refreshes, and an active community edition you can customize without vendor lock-in.

• Free
• API available
• Checked Oct 4, 2026

Free plan

Reddibee

Research & search

Reddibee is a read-only research API and MCP server that lets agents search Reddit, X, Hacker News, and Product Hunt for demand signals. It returns classified threads with permalinks so builders validate ideas or find communities before posting.

• $9.00/mo · starting plan
• API available
• Checked Oct 4, 2026

Free tier unknown

rekursiv.ai

Research & search

rekursiv.ai builds AI Scientists—autonomous systems that form hypotheses, design experiments, and discover new knowledge rather than only executing instructions.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free plan

Relve

Research & search

Relve is a market-intelligence platform that runs research sweeps from your product URL and returns scored strategic plays with evidence on competitors, trends, and buyer pains. It targets builders with metered research runs, Atlas AI assistant chats, and PDF exports on paid tiers.

• $29.00/mo · starting plan
• API available
• Checked Oct 4, 2026

Free plan

Remyx

Coding & development

Remyx AI provides decision intelligence for teams running AI in production, recommending what to ship next and validating changes with experiment evidence. The platform combines Outrider research automation, CLI tools, and an ExperimentOps pilot for production AI workflows.

• Free
• API available
• Checked Oct 4, 2026

Free tier unknown

Renumics

Research & search

Renumics builds agentic AI for engineering teams to explore test, simulation, fleet, and manufacturing data. Its Onion platform connects MDF, TDMS, CSV, and lakehouse sources with interactive evidence views for sensor analysis.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free tier unknown

Reporfy

Research & search

Reporfy sells AI-assisted reporting software with Starter, Growth, and Enterprise plans for manual and AI-generated reports per user. The pricing page toggles monthly and annual billing in euros and links signup flows into app.reporfy.com purchase URLs.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free tier unknown

Rescript

Business, finance & legal

Rescript provides AI for regulatory compliance and public policy research across statutes, regulations, legislation, hearings, and public comments. Teams ask natural-language questions, monitor policy changes, and produce memos, surveys, and watchlists grounded in jurisdictional sources.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free plan

Resea AI

Research & search

Resea AI combines academic search, AI writing, humanization, and citation checking for researchers and students. The platform advertises integrations with Google Scholar, PubMed, and arXiv plus a freemium model with a Premium upgrade for unlimited usage.

• Free
• API unknown
• Checked Oct 4, 2026

Free tier unknown

researcher.life

Research & search

Researcher.life (Paperpal) bundles AI research tools such as academic writing assistance, literature recommendations, journal finding, and scientific illustration, alongside optional expert publication services. The vendor markets an all-access hub for researchers moving from manuscript drafting through promotion and submission support.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free plan

Research in English

Research & search

Research in English is a news site that summarizes and explains recent research findings for general readers. It publishes topic feeds and articles aimed at people trying to follow scientific and academic news without reading raw papers.

• Free
• API unknown
• Checked Oct 4, 2026

Free trial

Research Studio

Research & search

Research Studio streamlines UX and user research analysis with AI-enhanced workflows for freelancers, in-house researchers, and agencies. The Framer marketing site publishes Individual and Business plans with monthly or annual billing, free trials, and student discounts.

• $24.00/mo · starting plan
• API unknown
• Checked Oct 4, 2026

Free plan

Research Topics Generator

Education & tutoring

Research Topics Generator is a free student-facing web tool that proposes focused research topics for papers, theses, and dissertations. Users enter interests and receive suggested questions plus subject-specific examples to narrow scope before writing.

• Free
• API unknown
• Checked Oct 4, 2026

Free tier unknown

Retellio

Sales & customer support

Retellio provides AI agents that automate work tied to call recordings, turning customer conversations into structured intelligence for voice-of-customer, employee performance, and workflow automation use cases across RevOps, sales, and customer success teams.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free tier unknown

Retentionx

Marketing & SEO

RetentionX is a commerce intelligence platform combining customer KPIs, identity resolution, lossless tracking, smart automations, and marketing attribution. It helps Shopify-era brands unify data, automate merchandising insights, and optimize media spend from one hub.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free tier unknown

RevealAI

Research & search

Reveal AI runs conversational surveys and qualitative research at scale, combining AI-moderated interviews with automated transcription, theme extraction, and sentiment analysis so teams get open-ended insights faster than traditional fieldwork.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free tier unknown

ReviewRecon

Research & search

ReviewRecon is a Yep.so-hosted product focused on demystifying game reviews by uncovering player sentiments. The public landing page positions it as a way to analyze review tone and feedback rather than manually reading every comment.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free tier unknown

Revyu.AI - Smart Hotel Booking

Research & search

Revyu.ai summarizes hotel guest reviews and offers chat so travelers can quickly understand what guests really think before booking. The product focuses on AI-powered review summaries rather than traditional filter-heavy hotel search pages.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free plan

Rhizome AI

Business, finance & legal

Rhizome AI is a regulatory intelligence assistant for life sciences teams, answering questions with citations drawn from FDA, EMA, and more than fifteen health authorities. It indexes tens of millions of authority pages to deliver traceable, hallucination-aware responses for regulatory, clinical, and quality workflows.

• $400.00/mo · starting plan
• API available
• Checked Oct 4, 2026

Free tier unknown

Rio News

Research & search

Rio News is an AI news app that curates articles from publishers such as The Washington Post, Bloomberg, Financial Times, and The Economist. Users chat with Rio to personalize briefings, read ad-free full articles, and listen to coverage tailored to their interests.

• Not listed
• API unknown
• Checked Oct 4, 2026

Free trial

RivalOut

Marketing & SEO

RivalOut scores tracked competitors across traffic, SEO, and social signals, then builds battlecards and email alerts when rivals shift campaigns. Pricing on the homepage sells solo, team, and agency subscriptions with a 7-day trial.

• $39.00/mo · starting plan
• API unknown
• Checked Oct 4, 2026

Free plan

Riveter

Research & search

Riveter provides an API and platform for accurate web search, extraction, and enrichment at scale. It offers credit-based plans for agent searches, list building, row enrichment, change monitoring, and API requests across e-commerce, finance, and GTM research workflows.

• $249.00/mo · starting plan
• API available
• Checked Oct 4, 2026

Free plan

Riyo

Research & search

Riyo is a unified behavior analytics platform combining session replay, heatmaps, funnels, error tracking, and AI chat for website visitors. Teams use it to see why users click, initiate real-time chat, and connect insights to HubSpot, Slack, and Search Console.

• $39.00/mo · starting plan
• API unknown
• Checked Oct 4, 2026

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