Top GMass Alternatives, Competitors & Similar Software

Sales Engagement Software

Build sales outreach cadences with email, phone, and social in as little as 5 minutes. Starting at $59/month.

Sales Engagement Software

Hunter is the leading solution to find and verify professional email addresses. Start using Hunter and connect with the people that matter for your business.

Sales Engagement Software

Supercharge your sales team with AI ⚡️ Generate leads with multichannel sequences, convert website traffic into booked meetings, or hire Sales AI agents to handle it for you – all within Reply. Meet Jason - your AI SDR. Jason understands your product, adapts to your strategy, defines your ICP, and finds best-fit leads across 1B+ real-time contacts. It researches each prospect, builds personalized multichannel sequences, and books meetings with the same quality and control as your top rep. With Jason you can: - Access 1B+ verified contacts in 150 countries. - Let Jason analyze thousands of profiles and write tailored outreach messages for every prospect. - Achieve up to 2× higher reply rates compared to one-size-fits-all templates. - Reach global audiences in 50+ languages across Europe, Asia, Africa, and more.

Sales Engagement Software

Lemlist is a sales engagement platform founded in 2018 that helps salespeople find leads, source contact information, and run multichannel outbound campaigns across email, LinkedIn, WhatsApp, and phone. The company is headquartered in France and operates under the Lempire parent brand, which also houses several smaller software products. As of late 2025, Lemlist has reached approximately 40 million euros in annual recurring revenue, with the broader Lempire portfolio adding roughly 4 million euros in ARR from other products, bringing the combined total to approximately 40 million dollars. The business has remained fully bootstrapped since founding, with no outside institutional funding raised, and operates at an EBITDA margin the company targets between 20 and 35 percent, generating approximately 10 million euros in annual profit. In October 2025, Lemlist announced the acquisition of Clap, a call intelligence platform, in a deal structured with a headline value of 25 million dollars. The transaction combines Lemlist's distribution capabilities with Clap's AI-powered call recording and transcript product, which had reached 2 million euros in ARR with a team of seven and was growing at roughly 10 percent month over month at the time of the deal.

Sales Engagement Software

Developer of a sales automation tool designed to grow the business with cold emails and follow-up campaigns. The company's tool sends messages on behalf of clients, detects all responses from the prospects and follows up with those who haven't replied, enabling clients to invest their time in building human-to-human business relations.