Top Free Sales Engagement Software - Page 10

How Many Sales Engagement Software Products Does G2 Track?

Total Products under this Category: 381

Category Stats (Sep 2026)

  • Average Rating: 4.56/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Tuco AI (+2.86%) - Among all products in this category, Tuco AI recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank Sales Engagement Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 147,400+ Authentic Reviews
  • 381+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Sales Engagement Software

G2 Grid® for Sales Engagement Software plotting products by satisfaction and market presence

Highlighted products: HubSpot Sales Hub, Agentforce Sales (formerly Salesforce Sales Cloud), Apollo.io, lemlist, GTM Workspace - Powered by ZoomInfo, Gong, Instantly, and Nooks.

Underlying data: [Grid® JSON](https://www.g2.com/categories/sales-engagement/grids.json?focus%5B%5D=hubspot-sales-hub&focus%5B%5D=agentforce-sales-formerly-salesforce-sales-cloud&focus%5B%5D=apollo-io&focus%5B%5D=lemlist&focus%5B%5D=gtm-workspace-powered-by-zoominfo&focus%5B%5D=gong&focus%5B%5D=instantly&focus%5B%5D=nooks)

LockInLead

Home services businesses (HVAC companies, plumbers, electricians, roofers) lose jobs every day not because of price or quality, but because they didn't respond to a lead first. Research consistently shows the first business to follow up wins the job in the majority of cases, yet most small operators are too busy on-site to reply within the hour, let alone within seconds. LockInLead solves that. The moment a new lead fills out your contact form, LockInLead sends them a personalized acknowledgment by email and SMS in about 10 seconds. Your lead knows someone is on the way. Your business looks fast, professional, and responsive, even if the owner is under a sink or on a rooftop. The system is fully managed: LockInLead builds, hosts, and maintains the entire automation. There is nothing to install, configure, or babysit. Leads are logged automatically with timestamps and response-time data so you can see exactly how your follow-up speed improves over time. LockInLead is built for independently owned home services businesses that run lean, move fast, and can't afford to lose another lead to a bigger competitor with a receptionist.

Who Is the Company Behind LockInLead?

Numoloo

Numoloo is a callback prioritization platform. It analyzes every inbound call, outbound call, and voicemail for urgency, sentiment, and intent, then dynamically prioritizes every conversation based on its context. Instead of returning calls in the order they came in, you work them in priority order, so your highest-priority conversations don’t wait behind routine callbacks. For every conversation, Numoloo provides a concise summary and a pre-drafted email. Calls are made and received directly in Numoloo. You can import your existing contacts, and conversation summaries and priorities are delivered through email and Slack. Numoloo is CRM-agnostic and requires no new sales infrastructure. Sales, customer support, home service contractors, real estate professionals, appointment-based businesses, consultants, and agencies use Numoloo to work conversations in priority order instead of arrival order.

Who Is the Company Behind Numoloo?

  • Seller: Numoloo
  • Year Founded: 2025
  • HQ Location: New York, NY, US
  • Twitter: @gonumoloo
    1 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

OnePgr

OnePgr is a complete meeting and collaboration platform, delivered as a single application, fundamentally changing the way sales, customer support, and other teams communicate. From conversations ranging from exchanging emails, scheduling meetings, meeting online, sharing documents, sending video messages, to analyzing recordings, OnePgr helps teams more effectively organize information and communication as well as gain behavioral insights to help improve sales cycle time, ticket & incident resolution time, project efficiency, among other performance metrics. More information at: https://onepgr.com

Average Rating: 4.4/5.0

Total Reviews: 10

How Do G2 Users Rate OnePgr?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 9.1/10)

Who Is the Company Behind OnePgr?

  • Seller: OnePgr
  • HQ Location: San Francisco, Bay Area
  • LinkedIn® Page: www.linkedin.com
    13 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Do G2 Reviewers Say About OnePgr?

AI-generated summary from verified user reviews

Pros
  • Users love the real-time collaboration features of OnePgr, enhancing communication for sales and business initiatives.
  • Users love the efficient communication features of OnePgr, making meetings and collaborations seamless and easy.
  • Users find OnePgr incredibly helpful for seamless communication and efficient real-time collaboration during meetings and webinars.
  • Users praise the seamless video conferencing features of OnePgr, enhancing client communication and collaboration effortlessly.
  • Users value the efficient virtual meetings capabilities of OnePgr, enhancing client communication and collaboration seamlessly.
Cons
  • Users report connection issues, including poor video and audio quality, affecting their conferencing experience.
  • Users experience connectivity issues with poor video and audio quality affecting their conferencing experience.
  • Users frequently face video issues with poor connection and stability, affecting the overall conferencing experience.
  • Users report poor audio quality during video conferences, leading to frustrating communication difficulties.
  • Users experience call issues with OnePgr, citing poor connection and audio quality during video conferences.

What Are Recent G2 Reviews of OnePgr?

What Are G2 Users Discussing About OnePgr?

Outreach2B

Outreach2B is a high-velocity sales engagement platform built for modern SDR teams and founders who need to scale their outbound engine without the "enterprise tax." By combining AI-powered call openers with real-time buying signals, such as funding rounds and hiring surges, Outreach2B ensures your team reaches the right prospects at the perfect time. The platform features an integrated power dialer, automated multi-channel sequences, and seamless CRM synchronization. Designed for speed and efficiency, Outreach2B eliminates manual research and helps sales leaders prioritize high-intent opportunities to drive predictable revenue growth.

Who Is the Company Behind Outreach2B?

ProspectB2B

ProspectB2B is a B2B prospecting and outbound sales software designed for companies that want a more organized, predictable and scalable way to generate new business opportunities. The platform helps sales teams centralize their prospecting workflow, from lead discovery and segmentation to daily follow-ups, ownership and pipeline management. Instead of relying on spreadsheets, disconnected tools or manual reminders, ProspectB2B gives teams a structured environment to manage B2B leads and keep every opportunity moving forward. With ProspectB2B, SDRs, founders, sales teams, agencies, recruiters and B2B service companies can build repeatable outbound sales processes, prioritize the right prospects and maintain a clear view of what needs to happen next. The platform supports B2B lead prospecting, company and contact segmentation, outbound sales cadences, follow-up management, daily prospecting queues and visual pipeline organization. Each lead can have a defined owner, status and next step, helping teams reduce missed opportunities and create more consistency in their sales operation. ProspectB2B also includes a visual Kanban sales pipeline that makes it easier to track prospects across different stages of the sales process, monitor progress and keep prospecting activities organized. The software can work alongside an existing CRM, serving as a focused outbound execution layer for companies that need a dedicated prospecting workflow without replacing their entire sales stack. Key capabilities include B2B lead generation and prospecting, lead and company segmentation, outbound sales cadence management, follow-up organization, lead ownership, next-step tracking, visual sales pipeline management, prospecting campaigns and exportable lead data. ProspectB2B is especially useful for teams that prospect every day and want to transform B2B lead generation from an inconsistent manual activity into a structured and scalable sales process. By bringing prospecting, organization, follow-ups and pipeline visibility into one platform, ProspectB2B helps sales teams spend less time managing spreadsheets and more time creating meaningful conversations with potential customers.

Who Is the Company Behind ProspectB2B?

Who Uses This Product?

  • Company Size: 200% Small

Quillreach

Quillreach is a B2B SaaS platform for LinkedIn outreach automation, built for sales teams, founders, and agencies that need to scale outbound on LinkedIn without getting their accounts restricted or banned. It is a LinkedIn sales-outreach and lead-generation tool, not a content-writing, grammar, or text-editing tool. Most LinkedIn automation tools rely on browser extensions or shared cloud proxies that LinkedIn detects and flags. Quillreach takes a safety-first approach: every connected account runs on dedicated, session-based infrastructure with hard per-account daily caps, human-paced sending, automatic warm-up for new accounts, and stop-on-reply enforced as built-in constraints rather than optional settings you have to remember. Account safety is the foundation the entire product is designed around. On top of that safety layer, Quillreach gives revenue teams everything they need to run outreach at scale: - Multi-step sequences across every connected LinkedIn account: connection requests, follow-up messages, voice notes, and post reactions, with Yes/No branching logic. - AI personalization that drafts every opener from real profile signals, held behind an operator review queue so a human approves messages before anything sends. No blind auto-send. - A unified inbox that consolidates replies from all connected accounts into one timeline, so managing multi-account outreach never means tab-switching. - Multi-account management for agencies and SDR managers running many LinkedIn accounts in parallel, each isolated and safety-capped. - Lead sourcing, enrichment, and campaign analytics to find prospects, personalize at scale, and measure acceptance and reply rates. Quillreach is used by B2B founders running their own outbound, agencies managing client LinkedIn accounts, and SDR teams that need reliable, safe LinkedIn prospecting. Pricing is transparent and simple: one product with every feature included at $59 per seat per month, dropping to $39 per seat at 20+ seats, with a 14-day free trial and no credit card required. There is no tier ladder and no feature gating. For teams that treat their LinkedIn accounts as critical revenue infrastructure, Quillreach delivers scalable, AI-assisted LinkedIn outreach that puts account safety first.

Who Is the Company Behind Quillreach?

Re:Shark

Re:Shark is an AI-native revenue platform built for European B2B sales teams. Kai, our AI workforce, helps teams identify relevant companies, research accounts, qualify opportunities, enrich business data, personalize engagement and manage sales follow-up. By combining proprietary European B2B data with AI-driven account intelligence and automatedsales workflows, Re:Shark helps commercial teams uncover new opportunities, build qualified pipeline and create more potential revenue. Re:Shark is built and operated in Europe with a strong focus on data protection, transparency and security.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Re:Shark?

  • Seller: Re:Shark
  • Year Founded: 2023
  • HQ Location: Amsterdam, NL
  • LinkedIn® Page: www.linkedin.com
    10 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Re:Shark?

Rolodex

Rolodex is a relationship intelligence platform built to help teams consolidate, organize, and act on their collective network. Headquartered in San Francisco, Rolodex was developed by the team behind Dex (a personal CRM), extending its relationship-centric approach to collaborative workspaces. While Dex helps individuals manage their relationships, Rolodex is purpose-built for small and mid-sized teams. The product has steadily grown since launch, with users across sales, venture capital, consulting, and executive teams. Rolodex integrates with LinkedIn, Gmail, Outlook, and calendar tools to automatically sync contacts, meetings, emails, and activity history. Users can enhance contacts with tags, custom fields, and notes, then organize them into lists or visualize them using tools like Board View, Map View, and Org Charts. Shared workspaces give teams full visibility into their collective network, while smart features like “Keep in Touch” reminders and team activity tracking help ensure that important relationships are nurtured over time. The primary value of Rolodex is its ability to unlock team-wide relationship knowledge—helping users uncover warm introductions, avoid crossed wires, and stay aligned on key contacts. It replaces scattered spreadsheets and siloed address books with one centralized, collaborative network. Whether you’re managing partners, investors, customers, or internal stakeholders, Rolodex gives you a single place to coordinate outreach, track engagement, and drive better outcomes through relationships.

Who Is the Company Behind Rolodex?

Sales Prospecting

Sales Prospecting is B2B lead generation software that combines AI prospecting with LinkedIn outreach. Define your ideal customer profile, let AI build a targeted prospect list, then automate connection requests, follow-ups, and reply tracking — so your team books more qualified B2B meetings from one workspace. One simple plan at $20/mo with a 7-day free trial.

Who Is the Company Behind Sales Prospecting?

SendroAI

SendroAI is an AI-powered email marketing platform designed for inside sales and SDR teams. It enables businesses to scale personalized outreach with intelligent automation. From A–Z email testing and multilingual campaigns to AI-driven research and self-learning algorithms, SendroAI ensures every message resonates with your prospect. The platform delivers real-time analytics, adaptive sequencing, and campaign intelligence to help teams send 20–100 hyper-personalized emails daily—without losing the human touch.

Who Is the Company Behind SendroAI?

Twozo CRM

What is Twozo? Twozo CRM is built to provide your business with an easy way to connect with customers, build lasting loyalty and foster repeat business. Our user-friendly CRM interface accommodates both tech and non-tech-savvy users. Implementing our software is faster and hassle free. From capturing leads to converting them into protentional customers, our CRM automates task to close deals faster. Features like pipeline management, workflow automation, and contact management efficiently organizes your business data’s. With the mobile application, you can connect from anywhere and anytime. It’s a unified platform, driven for growth in the aspects of managing and centralizing your sales, marketing, and customer support initiatives. Who uses Twozo? From startups to small and medium-sized enterprises, Twozo CRM caters to fast growing businesses. Twozo CRM is designed for business of all sizes that want to improve customer relationships. About Twozo CRM : Twozo CRM is a cloud- based solution designed to help businesses in the aspects of sales, workflow automation and enhancing customer interactions. Data management is simple with Twozo CRM, allowing users to track leads, launch and follow-up on activities, and close deals effectively. The CRM is suited for various business models, including B2B and D2C, and the advanced filters helps to simplify complex searches by preventing data clutters. Plus, it adapts to your required needs and making it an ideal choice for sales and marketing teams, customer support and e-commerce businesses. Twozo’s contact management, pipeline tracking, web form lead generation, and workflow automation help in reducing manual tasks and focus on customer satisfaction. Zapier integrations ensures seamless connectivity and make customer interactions effortless, regardless of time and place. Twozo also offers help desk and customer support functions to clarify the user’s queries. A significant feature of the mobile application allows users to respond to customers across channels in real time. With Twozo’s deal forecasting, user can maintain a long-term customer relationship. Twozo CRM is available on both monthly and annual subscriptions. It is cost effective and ensures business of all size can leverage its capabilities without complexity.

Who Is the Company Behind Twozo CRM?

  • Seller: Twozo
  • Year Founded: 2021
  • HQ Location: Tirunelveli , IN
  • Twitter: @TwozoCRM
    34 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    55 employees on LinkedIn®

VoiceDrop

VoiceDrop empowers sales, marketing, and growth teams to reach thousands of prospects instantly without ever ringing their phones. By combining high-volume Ringless Voicemail (RVM) drops with cutting-edge Agentic AI, VoiceDrop automates the most time-consuming parts of the outreach process. It replaces traditional manual dialing with an efficient 1-click voicemail drop system, allowing teams to focus on closing deals rather than making repetitive calls. Our platform is built to handle everything from targeted startup campaigns to massive enterprise outreach, doing millions of drops per month, all at the market's best commercial rates. Key Capabilities Include: Ringless Voicemails (RVM): Deliver your message directly to a prospect's voicemail inbox seamlessly and respectfully, ensuring maximum listen rates. Hyper-Realistic Voice Cloning: Generate perfect audio scripts with advanced voice cloning seats, maintaining a consistent and natural human tone across all campaigns. AI Callback Agent: An autonomous inbound AI agent that engages in natural language conversations with prospects who call back, effectively handling inquiries and qualifying leads 24/7. Advanced Delivery Algorithms: Features like Multi-Attempt Delivery™ and Intelligent Voice Scaling™ maximize successful drops and optimize delivery timing. Seamless Tech Stack Integration: Easily plug VoiceDrop into your existing workflows and CRMs through our robust API, Zapier, and Make integrations. Whether you are looking to run localized campaigns with rotating numbers or scale up to multi-lingual global outreach, VoiceDrop provides the complete, automated infrastructure to supercharge your sales pipeline.

Who Is the Company Behind VoiceDrop?