G2 offers free advice on alternatives to Success.ai.
Instantly Helps Automate Your B2B Email Outreach Forever.
Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.
Apollo is an all-in-one sales intelligence platform with tools to help you prospect, engage, and drive more revenue. Sellers and marketers use Apollo to discover more customers in market, connect with contacts, and establish a modern go-to-market strategy. Apollo's B2B Database includes over 210M contacts and 35M companies with robust and accurate data. Teams leverage Apollo’s Engagement Suite to scale outbound activity and sequences effectively. Finally, up-level your entire go-to-market processes with Apollo's Intelligence Engine with recommendations and analytics that help you close. Founded in 2015, Apollo.io is a leading data intelligence and sales engagement platform trusted by over 10,000 customers, from rapidly growing startups to global enterprises.
GTM Workspace is a unified sales execution platform that brings together CRM data, ZoomInfo intelligence, engagement history, and buying signals in one consolidated view - so account executives and account managers can manage their entire book of business, prioritize pipeline, and act on the best opportunities without ever switching tools.
Sales automation software that puts your outreach on autopilot, while still making each communication personal.
Snovio helps to find email addresses, connections and other personal information such as company a person works for, job position, role in company.
Smartlead is an AI-native outbound sales platform trusted by 100,000+ businesses - combining AI agents, multichannel sequencing, email deliverability infrastructure, and a unified inbox in one flat-priced system. From first prospect to closed deal, without stitching tools together. Smartlead covers the full outbound lifecycle: SmartProspect for verified B2B lead data, SmartAgents for autonomous AI-driven outreach, SmartDialer for AI-powered sales calls with context, SmartDelivery for pre-send inbox placement testing, SmartInfra for dedicated sending servers, SmartSenders for done-for-you email infrastructure, and a Unified Master Inbox that consolidates every reply across unlimited mailboxes into one workspace. Built for agencies and high-volume B2B teams: white-label client portals, unlimited sub-accounts, team collaboration, and flat-seat pricing from $39/month - no per-user fees as your team grows. One account scales from a solo founder to a 50-person SDR team. Developer-native: 116+ MCP tools for Claude, Cursor, and Windsurf. Full CLI for terminal-based campaign management. REST API and webhooks connect to HubSpot, Salesforce, Clay, Zapier, Make, and n8n.
Seamless delivers the world's best sales leads. Maximize revenue, increase sales and acquire your total addressable market instantly using artificial intelligence.
Lusha is an AI Sales Intelligence & Prospect Streaming. Lusha combines reliable contact data with AI-powered prospecting. AI Prospect Playlists automatically generate and refresh lead lists based on your ideal customer profile- so you can stop rebuilding static lists and focus on engaging high-quality prospects, every day.
Mailchimp is the #1 Email Marketing and Automations platform for growing businesses. More than 12 Million businesses including TEDTalks, Shutterstock, Boston Market, Nikon India trust Mailchimp to turn their emails into revenue.
UpLead is a B2B data provider with real-time verified emails, mobile numbers and intent data. Get access to millions of up-to-date contacts that are easy to find and import into your CRM. Use 50+ search filters like intent data to find in-market buyers who will be your next best customers. Integrate with Salesforce, HubSpot, other leading CRMs and Zapier to automate your workflow. UpLead is trusted by 4,000+ customers and is one-third the cost vs leading sales intelligence platforms. It has consistently been rated #1 by G2 for being Easiest to Use and having the Best ROI.