Is there a free alternative to Hotsol?

Yes — Mailjet, MailUp, Ongage offer free tiers or trials suitable for small teams and individuals.

Last updated: July 30, 2026

Top 6 Free Hotsol Alternatives, Compared (2026)

Q: What are the best alternatives to Hotsol?

The top-rated alternatives to Hotsol are Ongage, Overloop CRM, MailUp. Compare all 6 alternatives at https://www.spotsaas.com/list/hotsol-free-alternative.

Explore 6 alternatives to Hotsol — vetted by our editors with real user reviews, pricing, and feature comparisons.

Hotsol alternatives: 6 options compared

Quick answer

The best free email marketing software alternatives to Hotsol are Mailjet, MailUp and Ongage. Mailjet tops the list with a SpotScore of 8.9 and a 3.5★ rating; compare all 6 on score, rating, and pricing below.

Thinking about life after Hotsol? These 6 email marketing software free alternatives are the options most worth your time, ranked by SpotScore (real-user satisfaction and market presence), ratings, and pricing. We check every tool ourselves. The table sums them up quickly; the breakdowns below give you the reasoning.

Product	SpotScore	Rating	Pricing	Best for
MailjetStreamlined email marketing made easy.	8.9	★★★★☆ 3.5	FreeFree Trial · Freemium · Subscription · Quotation Based	teams of all sizes
MailUpUnleash the power of multi-channel marketing.	8.7	★★★★☆ 3.7	FreeFree Trial · Freemium · Subscription · Quotation Based	teams of all sizes
OngageBoost sales and relationships with Ongage.	8.4	★★★★★ 5(2)	FreeFree Trial · Subscription · Quotation Based	teams of all sizes
Overloop CRMStreamline your sales process with cutting-edge CRM.	8.4	★★★★☆ 4.3(117)	Freefrom $82 /User/Month	teams of all sizes
ReachEngineMaximize Your Email Marketing Success and Growth.	8.3	Not yet rated	Freefrom $50/mo	teams of all sizes
EcoSendGreen communication made efficient and earth-friendly.	8.1	Not yet rated	Freefrom $49/mo	teams of all sizes

8.9

SpotScore

Mailjet

Streamlined email marketing made easy.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

3.5

Add to compare

What is Mailjet?

Mailjet is an email marketing and transactional email platform suited for developers and marketing teams that need to send campaigns through their own SMTP infrastructure or via Mailjet's built-in delivery servers. It supports campaign creation, mailing list management, and basic A/B testing ...

MailUp

Unleash the power of multi-channel marketing.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

3.7

Add to compare

What is MailUp?

MailUp is a simple solution to Design, Send and Automate Marketing Campaigns via Email, SMS and Messaging Apps. Boost your performance and Send millions of emails in just a few clicks. The Marketing automation tools you can engage your customers with triggered messages. The software offers ...

Ongage

Boost sales and relationships with Ongage.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

5.0

2 verified reviews

Add to compare

What is Ongage?

Ongage is an email marketing platform combined with ecommerce management tools, designed for online retailers and digital businesses that want to run campaigns and manage orders without switching between systems. Its drag-and-drop editor and CRM features let teams personalize campaigns while ...

Overloop CRM

Streamline your sales process with cutting-edge CRM.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.3

117 verified reviews

Add to compare

What is Overloop CRM?

Overloop CRM was created in 2015 with a focus on helping outbound sales teams. Originally a Google Chrome extension, it allowed salespeople to collect contact information from corporate websites. Today, it has evolved into a comprehensive CRM and sales engagement software suite, specialized in ...

ReachEngine

Maximize Your Email Marketing Success and Growth.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is ReachEngine?

ReachEngine is the perfect solution for businesses wanting to rocket their email marketing success. The intuitive platform provides a suite of tools to help businesses grow and develop. It doesn't matter if you're a beginner with no previous experience in email marketing, ReachEngine is ...

EcoSend

Green communication made efficient and earth-friendly.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is EcoSend?

EcoSend is the revolution of green communication! Our advanced segmentation capabilities allows for more targeted emails that reach the right audiences at the right times - while optimising energy consumption. Our climate-conscious email platform assists users in crafting engaging emails, ...

What each one offers

Mailjet8.9Best for teams of all sizes

Easy to use

Watch for: Limited design options

MailUp8.7Best for teams of all sizes

Multichannel marketing

Watch for: Pricing can be high for small businesses

Ongage8.4Best for teams of all sizes

Integrated ecommerce tools

Watch for: May be complex for beginners

Overloop CRM8.4Best for teams of all sizes

Interface is easy for new users to navigate and get started.

Watch for: Limited email-related functionalities, with some users reporting issues like buggy bounce reporting or outdated email contacts.

ReachEngine8.3Best for teams of all sizes

User-friendly platform

Watch for: Limited advanced features

EcoSend8.1Best for teams of all sizes

Green communication focus

Watch for: Limited integrations

Why teams look for a Hotsol alternative

Before comparing options, it helps to name why teams leave Hotsol in the first place:

Limited advanced analytics
Basic reporting tools
No phone support

Picking the right Hotsol alternative: what to weigh

Here's the data-driven picture across all 6 email marketing software free alternatives: 6 offer a free tier; paid plans run $49–$82, with EcoSend the cheapest entry point; and Ongage is the highest rated at 5★ across 2 reviews.

How we determine rank.

Frequently Asked Questions (FAQs)

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

What are the best alternatives to Hotsol?

The top-rated alternatives to Hotsol are Ongage (5.0★), Overloop CRM (4.3★), MailUp (3.7★). Compare all 6 alternatives side-by-side above.

What features should I look for in a Email Marketing Software alternative?

When evaluating alternatives to Hotsol, prioritize: Contact Management, Multivariate Testing, Auto-Responders, Click-through Tracking, Drip Campaigns, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

How difficult is it to migrate from Hotsol to an alternative?

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

How to choose between these Hotsol alternatives

On a budget / just exploring: start with a free tier — Mailjet, MailUp and Ongage let you evaluate without paying upfront.
If real-user ratings matter most: Ongage has the strongest star rating (5★) among the options with verified reviews.
Want the safest pick: Mailjet has the highest Spotsaas Score (8.9) in this list — a strong default if you're unsure.

Planning a smooth exit from Hotsol

To leave Hotsol without losing momentum, start with your data. Export it, check the import works cleanly, and confirm feature parity for your workflows. Trial the new tool on a free plan, then roll out, keeping Hotsol live until the cutover's done.

Compare top products

Overloop CRM

EcoSend

Mailjet

MailUp

Mailjet

Ongage

MailUp

EcoSend

MailUp

Ongage

Overloop CRM

Ongage

ReachEngine

Mailjet

Overloop CRM

ReachEngine

About the reviewer

Rajat Gupta

Rajat Gupta is the founder of Spotsaas. Over the past two years, he has reviewed 2,000+ tools across CRM, HR, AI, and finance — applying hands-on product research and a background in commerce and the CFA program to evaluate software through a business and ROI lens. His goal: help teams make software decisions they won't regret.

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

Top 6 Free Hotsol Alternatives, Compared (2026)

Hotsol alternatives: 6 options compared

Mailjet

Streamlined email marketing made easy.

MailUp

Unleash the power of multi-channel marketing.

Ongage

Boost sales and relationships with Ongage.

Overloop CRM

Streamline your sales process with cutting-edge CRM.

ReachEngine

Maximize Your Email Marketing Success and Growth.

EcoSend

Green communication made efficient and earth-friendly.

What each one offers

Why teams look for a Hotsol alternative

Picking the right Hotsol alternative: what to weigh

Frequently Asked Questions (FAQs)

How to choose between these Hotsol alternatives

Planning a smooth exit from Hotsol

Compare top products

Overloop CRM

EcoSend

Mailjet

MailUp

Mailjet

Ongage

MailUp

EcoSend

MailUp

Ongage

Ongage

Overloop CRM

Ongage

ReachEngine

Mailjet

Overloop CRM

Overloop CRM

ReachEngine

Research Popular Software and Services

About the reviewer

Compare top products

Overloop CRM

EcoSend

Mailjet

MailUp

Mailjet

Ongage

MailUp

EcoSend

MailUp

Ongage

Ongage

Overloop CRM

Ongage

ReachEngine

Mailjet

Overloop CRM

Overloop CRM

ReachEngine

Research Popular Software and Services

About the reviewer