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12 Best ConnectOS Alternatives in 2026 — Free Options Included

Explore 12 alternatives to ConnectOS — vetted by our editors with real user reviews, pricing, and feature comparisons.

The best free ConnectOS alternatives at a glance

Quick answer

In short, the best free alternatives to ConnectOS are Zendesk Sell, Close and Barantum CRM. Zendesk Sell is first with a SpotScore of 9.1 and 4.58★ from users. All 12 are compared on score, rating, and pricing below.

The best ConnectOS replacement depends on your team, but this ranking narrows it down fast. These 12 crm software free alternatives lead on SpotScore, a measure of verified satisfaction and market presence, plus star ratings and pricing. Editors vet each entry. Start with the comparison table, then read each section below.

ProductSpotScoreRatingPricingBest for
Zendesk SellSell smarter, not harder.9.1★★★★★ 4.58(150)Freefrom $19 /User/Monthteams of all sizes
CloseAccelerate your sales success with Close.8.6★★★★★ 4.88(639)Freefrom $9 /user/monthsmall & mid-size businesses
Barantum CRMStreamline your business with Barantum CRM.8.5★★★★☆ 3.5(4)FreeFree Trial · Subscription · Quotation Basedteams of all sizes
SutiCRMMaximize your sales potential with SutiCRM.8.4★★★★★ 4.5(3)Freefrom $10 /User/Monthteams of all sizes
LucepUnleashing meaningful connections with your customers.8.1★★★★★ 4.58(6)Freefrom $25 /User/Monthteams of all sizes
Bigin by Zoho CRMStreamline your sales and build better relationships.9★★★★★ 4.6(294)FreeFree Trial · Freemium · Subscriptionsmall businesses
SalesRabbitBoost your sales with streamlined contact management.9.8★★★★★ 4.61(309)FreeFree Trial · Subscriptionteams of all sizes
Agentforce Sales (formerly Salesforce Sales Cloud)AI agents for sales — Salesforce CRM with Agentforce autonomous selling, pipeline & forecasting9.8★★★★★ 4.55(710)FreeFree Trial · Subscriptionteams of all sizes
Zoho CRMEfficiency at your fingertips.9.8★★★★☆ 4.14(2488)FreeFree Trial · Freemium · Subscriptionteams of all sizes
ClickUpEffortlessly streamline your projects with ClickUp9.8★★★★★ 4.87(2889)FreeFree Trial · Freemium · Subscription · Quotation Basedteams of all sizes
Bitrix24Streamline your business with Bitrix24.9.8★★★★☆ 4.24(422)FreeFree Trial · Freemium · One-time license · Subscriptionteams of all sizes
Apollo.ioEmpower your sales team to exceed goals.9.6★★★★★ 4.97(2210)FreeFree Trial · Freemium · Subscription · Quotation Basedteams of all sizes

9.1

SpotScore

Zendesk Sell - CRM Software

Zendesk Sell

Sell smarter, not harder.

Best for: SMB teams · Mid-market · Enterprise

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What is Zendesk Sell?

Zendesk Sell is the complete solution for selling online or in-person with any channel, product and pricing model. You can create offers, customize and personalize them, automate pricing based on specific triggers, set up and deploy pop-up carts or create a structured sales process from start ...

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Free TrialTry Free →

8.6

SpotScore

Close - CRM Software

Close

Accelerate your sales success with Close.

Best for: SMB teams · Mid-market

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What is Close?

Close is a sales engagement CRM built for SMBs that lets teams email, call, and text leads directly from the platform without additional add-ons. It includes Sequences, task reminders, and a Power Dialer, with all activity on a single timeline for full team visibility. An integrated call ...

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8.5

SpotScore

Barantum CRM - CRM Software

Barantum CRM

Streamline your business with Barantum CRM.

Best for: SMB teams · Mid-market · Enterprise

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What is Barantum CRM?

Barantum is an all-in-one CRM for small to medium-sized businesses, particularly in Southeast Asia, that need to manage sales leads, customer support, and marketing campaigns from a single platform. It covers contact management, scheduling, task reminders, and basic marketing automation without ...

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Barantum CRM offers custom pricing plan

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Reach in-market buyersRank above rivals2M+ buyers a year

8.4

SpotScore

SutiCRM - CRM Software

SutiCRM

Maximize your sales potential with SutiCRM.

Best for: SMB teams · Mid-market · Enterprise

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What is SutiCRM?

SutiCRM is a straightforward CRM for small businesses and early-stage startups that need basic lead, contact, and opportunity management without the learning curve of larger platforms. It provides a clean, easy-to-learn interface suited for teams adopting a CRM for the first time. Larger ...

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Free TrialTry Free →·

SutiCRM offers custom pricing plan

8.1

SpotScore

Lucep - CRM Software

Lucep

Unleashing meaningful connections with your customers.

Best for: SMB teams · Mid-market · Enterprise

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What is Lucep?

Lucep is a cloud-based customer relationship management (CRM) software that empowers sales, customer support and marketing teams to build stronger relationships with their customers. With Lucep, you will always have access from your computer, mobile device or tablet to gain more visibility into ...

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Free TrialTry Free →

9.0

SpotScore

Bigin by Zoho CRM - CRM Software

Bigin by Zoho CRM

The Best Overall

Streamline your sales and build better relationships.

Best for: SMB teams

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What is Bigin by Zoho CRM?

Bigin is Zoho's lightweight CRM designed for small teams under 50 people running straightforward sales cycles. Its drag-and-drop pipeline and email sync with Gmail and Outlook allow reps to get productive within a day without extensive onboarding. Direct integrations are largely limited to ...

Read more about Bigin by Zoho CRM
Free TrialTry Free →·

Starts from $7/User/Month when Billed Yearly, also offers free forever plan

9.8

SpotScore

SalesRabbit - Contact Management Software

SalesRabbit

Boost your sales with streamlined contact management.

Best for: SMB teams · Mid-market · Enterprise

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What is SalesRabbit?

SalesRabbit is a contact management software that helps sales teams organize and sell more effectively. The contact info of a prospect is one of the most important elements while selling to them. SalesRabbit acts as the middleman to manage sales process and streamline workflow, making it easy ...

Read more about SalesRabbit
Free TrialTry Free →·

Starts from $25/User/Month when Billed Yearly

9.8

SpotScore

Salesforce - CRM Software

Agentforce Sales (formerly Salesforce Sales Cloud)

AI agents for sales — Salesforce CRM with Agentforce autonomous selling, pipeline & forecasting

Best for: SMB teams · Mid-market · Enterprise

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What is Agentforce Sales (formerly Salesforce Sales Cloud)?

Agentforce Sales (formerly Salesforce Sales Cloud) is Salesforce's flagship AI-powered sales CRM. It combines core CRM — lead, contact, opportunity and pipeline management, forecasting and analytics — with Agentforce, Salesforce's suite of autonomous AI agents that prospect, answer rep ...

Read more about Agentforce Sales (formerly Salesforce Sales Cloud)
Free TrialTry Free →·

Starts from $25/user/month when monthly

9.8

SpotScore

Zoho CRM - CRM Software

Zoho CRM

Efficiency at your fingertips.

Best for: SMB teams · Mid-market · Enterprise

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watch-demo

Watch Demo

What is Zoho CRM?

Zoho CRM is an intuitive and powerful customer relationship management solution designed to enhance business workflows and improve collaboration. With its user-friendly interface and drag-and-drop functionality, it simplifies data sharing within organizations and with customers, ensuring ...

Read more about Zoho CRM
Free TrialTry Free →·

Starts from $9/user/month when yearly, also offers free forever plan

9.8

SpotScore

ClickUp - Collaboration Software

ClickUp

Effortlessly streamline your projects with ClickUp

Best for: SMB teams · Mid-market · Enterprise

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watch-demo

Watch Demo

What is ClickUp?

ClickUp is a versatile cloud-based project management platform designed to cater to both individual project needs and the complex demands of enterprise-level teams. Offering a customizable planning experience, it allows users to toggle between two distinct views, providing flexibility based on ...

Read more about ClickUp
Free TrialTry Free →·

Starts from $7/User/Month when yearly, also offers free forever plan

9.8

SpotScore

Bitrix24

Bitrix24

Streamline your business with Bitrix24.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Bitrix24?

Bitrix24 is a business management software solution for small and medium sized businesses that allows users to communicate and collaborate effectively, centralize all important business processes and documents, build company's corporate intranet, manage customer relations and provide new levels ...

Read more about Bitrix24
Free TrialTry Free →

9.6

SpotScore

Apollo.io - Sales Engagement Software

Apollo.io

Empower your sales team to exceed goals.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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watch-demo

Watch Demo

What is Apollo.io?

Apollo is sales engagement software designed for the sales team. When managers view their team through the lens of goal setting and progress tracking, motivation increases across the board. Apollo helps make targets easier to set and hit with the right dashboards that provide relevant ...

Read more about Apollo.io
Free TrialTry Free →·

Starts from $0/user/month when monthly, also offers free forever plan

How ConnectOS competitors stack up

ConnectOS competes with 12 other crm software tools tracked on Spotsaas. The closest by feature overlap are Zendesk Sell, Close and Barantum CRM. Each is compared against ConnectOS on rating, pricing and feature coverage below.

What else works like ConnectOS?

Searches for "sites like ConnectOS" and "apps like ConnectOS" land on the same shortlist as "ConnectOS alternatives" — the 12 options below cover both, whether you want a like-for-like replacement or something lighter.

What each ConnectOS alternative brings

Zendesk Sell9.1Best for teams of all sizes

Minimal learning curve, even for non-technical users.

Watch for: Limited built-in options for bulk emails, phone systems, or advanced automation without third-party tools.

Close8.6Best for small & mid-size businesses

Provides a centralized CRM platform for managing leads, calls, emails, and workflows in one place.

Watch for: Reporting features are limited and could be more in-depth, especially for tracking lead lists and success rates by category.

Barantum CRM8.5Best for teams of all sizes

Barantum CRM integrates sales, marketing, and customer support all in one platform.

Watch for: Barantum may not offer as much flexibility for users needing advanced customization.

SutiCRM8.4Best for teams of all sizes

Simple design

Watch for: Limited advanced features

Lucep8.1Best for teams of all sizes

Cloud-based access

Watch for: Limited customization options

Bigin by Zoho CRM9Best for small businesses

Simple design with a short learning curve — accessible for non-technical users.

Watch for: Limited integrations with social media apps and LinkedIn or Facebook ad platforms.

SalesRabbit9.8Best for teams of all sizes

Streamlines daily workflow and enhances productivity by offering a wide range of features.

Watch for: Initial overwhelm due to the abundance of features, requiring time to explore and understand the full potential.

Highly customizable, allowing businesses to tailor processes and workflows to their specific needs.

Watch for: Licensing costs are high, with additional charges for features, making it less accessible for small businesses or startups.

Zoho CRM9.8Best for teams of all sizes

Easy to use with a clear interface requiring minimal technical expertise.

Watch for: Limited scalability and depth for larger businesses with more complex requirements.

ClickUp9.8Best for teams of all sizes

Versatile platform with constant updates and amazing customer support that prioritizes user feedback promptly.

Watch for: Steep learning curve initially, which may be challenging for newcomers without a technical background.

Bitrix249.8Best for teams of all sizes

CRM covers customer management, project management, and collaboration in one platform.

Watch for: Overwhelming number of features can make adaptation and navigation challenging for first-time users.

Apollo.io9.6Best for teams of all sizes

Easy to use and user-friendly interface for locating contacts and companies, with convenient filters for narrowing down searches.

Watch for: Potential complexity for newcomers due to the richness of features without proper support.

What matters most in a ConnectOS alternative

Side by side, the 12 free alternatives break down like this: 12 offer a free tier; paid plans run $9–$25, with Close the cheapest entry point; and Apollo.io is the highest rated at 4.97★ across 2210 reviews.

The ranking explained.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to ConnectOS are Apollo.io (5.0★), Close (4.9★), ClickUp (4.9★). Compare all 12 alternatives side-by-side above.

When evaluating alternatives to ConnectOS, prioritize: CRM Integration, User Management, Collaboration, Contact Database, Onboarding Tools, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply ConnectOS is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

Choosing the ConnectOS alternative that fits

  • On a budget / just exploring: start with a free tier — Zendesk Sell, Close and Barantum CRM let you evaluate without paying upfront.
  • If real-user ratings matter most: Apollo.io has the strongest star rating (4.97★) among the options with verified reviews.
  • Want the safest pick: Zendesk Sell has the highest Spotsaas Score (9.1) in this list — a strong default if you're unsure.

Transitioning away from ConnectOS

Before replacing ConnectOS, do a quick dry run. Export your data, make sure it imports into the new tool, and confirm the features you rely on are there. Pilot the switch with a free tier or trial, and keep ConnectOS alive until the migration finishes cleanly.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].