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.
Anti-detect browser for multi-account management.
Best for: Teams managing many ad, marketplace or social accounts.
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.
Web data platform with proxies, scraping APIs and browser infrastructure.
Best for: Data, AI, ecommerce, and research teams that need large-scale public web access through proxies, APIs, browsers, or datasets.
Business network security platform with VPN, zero trust access, a secure browser and threat protection.
Best for: Small and mid-size companies and MSPs that want to replace hardware VPNs and add zero trust controls without on-site equipment.
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.
Anti-detect browser and cloud phones for managing many accounts.
Best for: Agencies and marketers operating many separate accounts from one dashboard.
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.
Anti-detect browser built for affiliate marketing and traffic arbitrage.
Best for: Affiliate marketers and media buyers running many ad accounts.
Consumer VPN with WireGuard, kill switch and split tunneling.
Best for: Individuals who want a multi-device VPN with configurable connection and privacy controls.
Consumer VPN with specialty servers for streaming, torrenting, gaming, and broad device coverage.
Best for: Individuals who want an easy consumer VPN with dedicated server categories for streaming, downloads, and everyday browsing.
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.
Privacy-focused VPN with WireGuard, multihop and DAITA.
Best for: Privacy-conscious users who want transparent VPN apps and advanced anti-tracking controls.
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.
Residential and mobile proxy network with IP rotation handled for you.
Best for: Teams that want residential and mobile IPs with rotation managed by the provider.
Configurable VPN with open-source apps, WireGuard support, split tunneling, and a large server network.
Best for: Privacy-conscious users who want configurable VPN settings, open-source apps, and broad operating-system support.
Self-service proxy provider with residential, datacenter and mobile proxies.
Best for: Buyers who want pay-as-you-go proxies without a long-term contract.
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.
Cloud zero trust access service with dedicated static IP gateways and Access Cards segmentation.
Best for: Small and mid-size businesses without network specialists that need remote staff to reach whitelisted cloud apps from one static IP.
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.
Anti-detect browser for multi-accounting.
Best for: Teams that need isolated browser identities for multiple accounts.
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.