Freemium
Perplexity
AI Search Engines and Research Tools
Perplexity is an AI answer and research service that combines web search and cited answers with advanced models, deep research, and Computer workflows.
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Showing 1–24 of 127 tools
for “engine”
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Freemium
Perplexity AI
AI Search Engines and Research Tools
Perplexity is an AI search and answer engine with sourced responses, research modes, file analysis, image generation, and access to advanced AI models on paid plans.
Pricing not listed
Phind
AI for Development
Phind was an AI search engine and coding assistant for developers; its current service availability and product offering could not be verified from an active official product page.
Paid
Lexica
AI for Image Generation
AI image-generation and image-search service with the Lexica Aperture generation engine.
Paid
On-Page.ai
AI for Marketing
On-Page.AI helps improve search visibility with on-page analysis and optimization for search engines and AI answers.
Freemium
Andi
AI Chatbots and Assistants
Andi AI is a private, ad-free AI search engine that gives direct synthesized answers, summarizes and explains web pages, and provides a search API for agents. Official site: https://andiai.com/.
Free
Invoke AI
AI for Image Generation
Free, open-source, self-hosted creative engine for AI image generation and professional creative workflows.
Paid
Writesonic
AI for Content Creation
Writesonic is an AI search-visibility and content platform that tracks brand visibility in AI answer engines and provides articles, audits, and workflows.
Freemium
Recombee
AI for E-commerce
AI personalization engine for recommendations and personalized search across commerce, media, video, recruitment, and other digital experiences. A free plan and unlimited 30-day trial are available; the lowest published paid tier is Standard.
Enterprise
Tabnine
AI for Coding and Development
Tabnine was an AI coding assistant acquired by Tricentis. Its current supplied domain presents Tricentis’s agentic quality-engineering platform for software testing and delivery; a public numeric price is not listed.
Freemium
Otter.ai
AI for Transcription
AI meeting notetaker and conversational knowledge engine that transcribes meetings into searchable knowledge, summaries, decisions, action items, and follow-ups.
Freemium
DeepCode AI (Snyk)
AI for Cybersecurity
DeepCode AI is the security-focused AI engine powering Snyk's application-security platform. It combines symbolic and generative methods to analyze code, prioritize vulnerabilities, create rules, and support secure fixes; it has no separate standalone subscription price.
Usage-based
XOR (AI engineering talent platform)
AI for HR and Recruitment
AI recruiting platform for blue-collar and hourly hiring that attracts candidates, pre-screens and scores them, and schedules interviews for recruiters. The official price is $500 per hire, with a $5,000 minimum for 10 hires; it is not a monthly subscription.
Enterprise
Cortex
AI for Content Creation
Engineering operations platform for organizations building AI software factories, providing engineering context, operational-excellence measurement, production-readiness visibility, and governance for software delivery. Pricing is custom.
Paid
Diff Tour
AI for Coding and Development
Walk through a diff the way a senior engineer reads it. A read-only TUI that turns a git change into a guided tour. - init-co-jp/diff-tour.
Paid
Asamana
AI for Coding and Development
Asamana is an AI-driven emergent narrative engine. - GitHub - dreamscroll-lab/asamana: Asamana is an AI-driven emergent narrative engine.
Paid
Foxprofile
AI Agents and Automation
Free, open-source anti-detect browser profile manager: per-profile fingerprint, cookies and proxy, Camoufox and Chrome engines, desktop app, REST API and MCP server for AI agents. Self-hosted alternative to GoLogin / MoreLogin. - chienbm98/foxprofile.
Freemium
AlphaResearch
Search engine
Investment research platform that searches financial filings, earnings transcripts and other company documents alongside fundamentals and market data.
Pricing not listed
NepoBB
Celebrity nepotism analysis
Entertainment tool for guessing whether a public figure may have family connections in entertainment. Treat results as unverified and check current site.
Pricing not listed
Svelte Interview Questions Generator
Software engineer questions
Community demo for generating software interview questions, including Svelte topics. It may be inactive; verify output and source documentation.
Paid
Sweetspot
Government contracts search
Procurement software for public-sector bidding and contract opportunities, with tools for finding solicitations and managing proposals. Check current coverage and integrations.
Pricing not listed
BoostMark
Search engine
Browser bookmarking and discovery tool listing for organizing saved pages and surfacing relevant web content. Verify current service and extension availability.
Pricing not listed
Outdone
Gift ideas
Outdone is an AI-assisted gift discovery service that recommends gift ideas based on information about the recipient. Its current availability and pricing could not be verified from an active product or pricing page.
Pricing not listed
RealEngineers
Engineer recruitment
Engineering-focused recruiting service intended to connect engineering candidates and employers. Current marketplace activity and terms are unverified.