Gmelius
Gmail collaboration platform with shared inboxes, workflow automation, sequences, and team analytics.
Best for: Google Workspace teams that want shared inbox ownership, automation, and sales or support collaboration directly inside Gmail.
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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Gmail collaboration platform with shared inboxes, workflow automation, sequences, and team analytics.
Best for: Google Workspace teams that want shared inbox ownership, automation, and sales or support collaboration directly inside Gmail.
Email-centered help desk with Freddy AI, SLA policies and a self-service customer portal.
Best for: Support teams that handle most requests by email and want SLAs, a knowledge base and an AI agent in one help desk.
Certificate authority and DigiCert ONE platform for TLS, code signing, device trust and DNS.
Best for: Large enterprises and regulated organizations that manage thousands of certificates and machine identities across cloud and on-prem systems.
Monitoring platform for websites, APIs and real users.
Best for: Operations teams that need external and private monitoring plus flexible alert routing for websites, APIs, and user journeys.
Quiz, poll and assessment maker for capturing leads and audience insights on websites.
Best for: Publishers and marketers using quizzes and polls to grow email lists and learn about readers.
Houston-based certificate authority with eSigner cloud signing, document signing and private PKI.
Best for: Software publishers and document-heavy businesses that need cloud-based code and document signing alongside web certificates.
Thales-owned application and data security vendor with DDoS protection for websites, networks and IPs.
Best for: Enterprises and regulated firms that want DDoS, web application and data protection from a single vendor.
Public CA and cloud CLM platform, Sectigo Certificate Manager, plus SiteLock website security.
Best for: IT and PKI teams that need to automate certificate renewal across load balancers, Kubernetes and cloud key vaults.
Website security service combining malware cleanup, cloud firewall and monitoring.
Best for: Website owners and agencies that need remote malware cleanup and a cloud firewall across WordPress or other web platforms.
WordPress form plugin with conditional logic, payments and workflows.
Best for: WordPress sites that need advanced forms with conditional logic, payments, surveys, or workflow integrations.
Interactive content platform for calculators, quizzes and recommendations.
Best for: Marketing and demand-generation teams using calculators, quizzes, or recommenders to qualify visitors and produce personalized outcomes.
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.
WordPress security plugin with malware scanning, one-click cleanup, firewall protection, and vulnerability monitoring.
Best for: WordPress site owners and agencies that want remote malware cleanup plus firewall and vulnerability protection across one or many sites.
GMO-owned certificate authority offering the Atlas identity platform, managed PKI and IoT device identity.
Best for: Enterprises and IoT manufacturers that need high-volume certificate issuance or regulated certificates such as eIDAS and PSD2.
Website monitoring combining synthetic checks with real-user performance measurement.
Best for: Web and application teams that want both simulated availability checks and performance data collected from real visitors.
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.
Lead magnet creator that turns blog posts into eBooks, checklists and gated resource libraries.
Best for: Bloggers and content marketers who want to repurpose existing articles into email list incentives.
Certificate authority issuing 90-day and annual SSL certificates with ACME automation and a REST API.
Best for: Developers and site owners who want to automate certificate issuance and renewal through ACME clients or an API.
Website monitoring for uptime, page speed and domains.
Best for: Small web teams and agencies that want several website-health checks and customer-facing status pages from one monitoring service.
Automattic's poll, survey and quiz builder, formerly Polldaddy, with a WordPress plugin.
Best for: WordPress publishers and bloggers who want reader polls and ratings embedded in posts.
WordPress security platform focused on vulnerability intelligence, virtual patching, and plugin-level protection.
Best for: WordPress site owners, agencies, and hosting providers that want vulnerability-focused protection and virtual patches for plugins and themes.
Continuous vulnerability management platform for external infrastructure, cloud environments, and web applications.
Best for: Small and midsize security teams that need recurring vulnerability scanning and prioritization across external infrastructure and cloud assets.
Free-canvas design studio for building animated, interactive web content without code.
Best for: In-house creative and brand teams that want to ship interactive content without front-end developers.
Continuous pentest platform pairing AI-driven DAST scanning with expert-led penetration testing.
Best for: SaaS companies and engineering teams that need recurring pentests and compliance-ready reports for SOC 2 or ISO 27001 audits.
Application security platform covering web, API and mobile.
Best for: Security teams that need coordinated testing and monitoring across web applications, APIs, mobile apps, and exposed digital assets.
External attack-surface and application security testing driven by automated scans and security researcher findings.
Best for: Application-security and security teams that need continuous testing of internet-facing web assets and externally exposed attack surfaces.
Content repurposing app that converts posts, documents and videos into eBooks and flipbooks.
Best for: Podcasters, bloggers and course creators turning existing content into downloadable books.
No-code builder that turns Excel-style formulas into offline-capable calculator web apps.
Best for: Engineers, consultants and sales teams who already model calculations in spreadsheets and want to share them as apps.
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.
Sectigo-owned website security service that scans for malware, removes infections and patches vulnerabilities.
Best for: Small business and WordPress site owners who want malware cleanup handled for them after a hack.
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.
ABM content platform that generates personalized interactive documents for target accounts.
Best for: B2B marketing teams running account-based campaigns that need to prove which content influences deals.
WordPress opt-in form plugin from Thrive Themes with targeting and split testing.
Best for: WordPress bloggers and course sellers who want list-building forms managed inside their own site.
NETSCOUT's Arbor DDoS line: Sightline, TMS, Arbor Edge Defense and the Arbor Cloud scrubbing service.
Best for: Internet service providers, hosting companies and large enterprises that run their own networks and data centers.