Outreach is a well-known name in sales engagement, but teams often look at other options for a variety of reasons. This list covers platforms that offer multichannel outreach, automation, and deliverability features. Each entry is described using information from the company's own website. The order is a plain list, not a quality ranking.
How We Picked These Tools
We selected platforms that publicly describe themselves as sales engagement or outbound sales tools and provide details about their features on their websites. The list is not exhaustive and is not a ranking.
| Provider | Best For |
|---|---|
| Salesloft | Revenue teams seeking a signal-driven engagement platform |
| Apollo.io | Teams wanting an all-in-one data and engagement platform |
| Reply.io | Teams automating multichannel outbound with AI |
| Mixmax | Gmail users seeking simple sales engagement |
| lemlist | Outbound teams needing lead data and multichannel sequences |
| Outplay | SMB sales teams seeking automated outreach and coaching |
| Mailshake | Teams focused on email outreach with deliverability support |
The 7 Tools in Focus
#1 Salesloft
A screenshot of the Salesloft website.
Salesloft describes itself as a predictive revenue system that captures revenue signals and turns them into actions for revenue teams. The platform includes cadences, conversation intelligence, deals, and forecasting tools. It is aimed at account teams, executives, and revenue operations teams that want to prioritize seller actions and manage deal risks. Salesloft emphasizes using data and AI to drive predictable revenue.
#2 Apollo.io
A screenshot of the Apollo.io website.
Apollo.io offers a connected go-to-market system with data, intelligence, and execution layers. It provides access to a large B2B contact database and includes a workspace for prospecting, outreach, and dialing. The platform also connects to other tools through integrations and an AI assistant. Apollo is designed for sales teams, marketers, and developers who want to unify data and automate outreach.
#3 Reply.io
A screenshot of the Reply.io website.
Reply.io is a sales engagement platform that focuses on multichannel outreach and AI-driven automation. It supports email, LinkedIn, WhatsApp, calls, and other channels in sequences that adapt based on replies. The platform includes an AI SDR agent, a unified inbox, and meeting scheduling. Reply.io is suited for sales teams, agencies, and business development teams that want to automate outbound across multiple channels.
#4 Mixmax
A screenshot of the Mixmax website.
Mixmax runs sales engagement inside Gmail, sending personalized emails, tracking engagement, and booking meetings. It includes sequences, scheduling, and integrations, and can be connected to AI assistants like Claude and ChatGPT. Mixmax is designed for individuals, small teams, and larger teams that want a simple setup without a lengthy onboarding process. It is often used by sellers, startups, and agencies.
#5 lemlist
A screenshot of the lemlist website.
lemlist is an outbound platform that combines lead finding, multichannel outreach, and deliverability tools. It offers a lead database, email finder, and sequences across email, LinkedIn, calls, WhatsApp, and SMS. The platform includes AI-powered features like intent signal agents and data enrichment agents. lemlist is aimed at sales reps, sales leaders, founders, and revenue operations teams running outbound campaigns.
#6 Outplay
A screenshot of the Outplay website.
Outplay is a sales engagement and automation platform that automates account research, prospecting, and coaching. It offers multichannel sequences across email, phone, SMS, WhatsApp, video, and website chat, along with revenue intelligence and a dashboard dialer. Outplay is built for growing SMBs and sales teams that want published pricing and hands-on support. It aims to help reps spend more time closing and less time searching.
#7 Mailshake
A screenshot of the Mailshake website.
Mailshake is an email automation platform for cold outreach that also supports phone and social channels. It includes deliverability tools, a data finder for prospect emails, and an AI email writer. The platform provides analytics and lead tracking to help teams improve their outreach. Mailshake is used by sales leaders, sales reps, agency owners, and marketers who want to streamline their outreach process.
Which One Should You Choose?
Consider the channels you need, the size of your team, and whether you prefer an all-in-one platform or a tool that works inside your existing email client. Evaluate deliverability features, ease of setup, and the level of automation you require. Each platform above offers different strengths, so match them to your workflow.
Final Thoughts
These platforms provide various approaches to sales engagement, from signal-driven revenue systems to Gmail-based tools and multichannel outbound automation. They are worth knowing as alternatives to Outreach in 2026, but the right choice depends on your specific needs. No single platform is presented as the best; each has its own focus and feature set.
Know a company that belongs on this list? Email us at editorial@peekwire.com.