respond.io
Omnichannel messaging inbox with AI Agents, broadcasts, workflows, and contact management.
Best for: Sales and support teams managing high volumes of customer conversations across WhatsApp and other messaging channels.
Search and filter 812 marketing tools by category, price, business type, and features.
Ranked by Overall Score: our Editor Rating and Market Signal, 50/50. Market Signal uses Ahrefs and Semrush data through September 2026, pulled October 6 to 19, 2026. How we score
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Omnichannel messaging inbox with AI Agents, broadcasts, workflows, and contact management.
Best for: Sales and support teams managing high volumes of customer conversations across WhatsApp and other messaging channels.
Customer engagement platform combining behavioral analytics, segmentation, campaigns, and personalization.
Best for: Consumer app and digital-product teams using behavioral data to drive lifecycle messaging and retention campaigns.
Shared inbox and customer service platform available inside Gmail and as Hiver Omni.
Best for: Google Workspace support and operations teams that want shared inbox ticketing inside Gmail, with an option to expand into Hiver Omni.
Local business platform for AI-assisted lead handling, messaging and reviews.
Best for: Local businesses with high lead volume that want customer messaging, reviews, phone, and AI-assisted response workflows tied together.
Commerce messaging platform for personalized SMS, email and subscriber growth.
Best for: Consumer and ecommerce brands that want behavior-driven SMS and email programs tied closely to storefront and customer data.
Digital market intelligence platform for app, advertising and audience.
Best for: App publishers, investors, advertisers, and market-research teams that need comparative mobile-market and digital performance intelligence.
Website technology lookup with lead lists, technology change alerts, browser extensions and an MCP server.
Best for: Sales and agency teams prospecting companies by the software their websites run, such as stores on a specific ecommerce platform.
Identify the technologies websites are built with.
Best for: Sales, marketing and research teams that need technographic data.
Gmail shared inbox with Kanban workflows, assignment controls, automation, and AI assistance.
Best for: Google Workspace teams that prefer managing shared email as visual boards with task-like ownership and workflow controls.
App store optimization, Apple Ads management and market data platform for mobile apps.
Best for: Mobile app publishers that run both organic store optimization and Apple Ads campaigns from one workspace.
Competitive intelligence for display and native advertising.
Best for: Media buyers and agencies researching competitors' display advertising.
Business text messaging service for bulk SMS, two-way conversations and email-to-SMS.
Best for: Businesses that need straightforward bulk or transactional SMS alongside a browser inbox and programmable messaging API.
Messaging platform for behavior-triggered email, push and SMS.
Best for: Product-led and lifecycle marketing teams that need event-triggered customer messaging tied closely to product and behavioral data.
Cross-channel customer engagement platform with analytics, personalization, journeys, and Merlin AI.
Best for: Consumer brands and apps coordinating personalized lifecycle campaigns across several messaging and digital channels.
Source code search engine that finds websites by technology, script, cookie or HTML snippet.
Best for: Sales and research teams building prospect lists of companies that run a specific script or tech stack.
Competitive enablement platform for collecting intelligence, building battlecards, and delivering competitor guidance into seller workflows.
Best for: Competitive enablement teams that need battlecards and curated competitor insights embedded into sales and revenue workflows.
ASO platform from SplitMetrics with keyword tracking and a bulk store listing editor.
Best for: App developers who update store listings in many languages and want to skip the store consoles.
Browser extension that reveals a site's CMS, frameworks, plugins, fonts and trackers in one click.
Best for: Developers, designers and marketers who want a quick look at another site's stack while browsing.
Competitive intelligence platform for monitoring market signals, synthesizing competitor changes, and distributing sales-ready insights.
Best for: Competitive intelligence and enablement teams that need continuous competitor monitoring plus battlecards and distributed market insights.
Shopify-focused SMS marketing platform for subscriber acquisition, automated flows and campaigns.
Best for: Shopify brands that want SMS acquisition and lifecycle messaging deeply tied to storefront and customer events.
Customer-service CRM centered on unified timelines, omnichannel conversations and AI agents.
Best for: Consumer support teams that need a persistent customer timeline across messaging, orders and service conversations.
Cross-channel customer engagement platform with journey orchestration, unified profiles, personalization, and Nova intelligence.
Best for: Enterprise lifecycle and growth teams coordinating personalized messaging across multiple digital channels from shared customer data.
Customer service platform unifying messaging channels, routing, knowledge, and agentic AI for support teams.
Best for: Ecommerce and consumer support teams that need omnichannel routing plus AI-assisted customer service.
Salesforce-native agentic marketing platform built around Piper, an AI SDR agent.
Best for: Salesforce-based B2B revenue teams that want an AI SDR engaging and qualifying website visitors around the clock.
Mobile engagement platform for cross-channel journeys, in-app experiences, messaging, and wallet.
Best for: Mobile-first brands orchestrating personalized messaging and in-app experiences across customer lifecycle stages.