Growth hacking tools: essential platforms in 2025

Growth hacking combines creativity, data analysis, and automation to find innovative and scalable ways to grow a business. By 2025, the growth marketing tools available have evolved significantly, offering more sophisticated capabilities that allow companies to optimize every stage of the conversion funnel.

From lead generation to customer retention, through process automation, these tools are essential for any modern digital marketing strategy.

At Magnetic, we understand that success lies in knowing how to choose and combine the right tools for each specific objective. Below, we explore the 21 most powerful tools for implementing effective growth hacking strategies.

1. Hunter.io: B2B lead generation

Hunter.io is a practical tool for B2B prospecting, allowing you to find email addresses for specific contacts within any company.

It’s easy to use: you enter a company’s domain, and the platform shows you all the associated email addresses, including common naming patterns.

What makes Hunter.io special is its accuracy and ability to verify the validity of the emails found in real time. For growth strategies, this tool eliminates one of the biggest obstacles in prospecting: finding relevant contacts.

Its integration with CRM and email marketing tools allows you to fully automate the lead capture process, turning manual contact search into a scalable and efficient process.

2. PhantomBuster: automation of social media tasks

PhantomBuster can automate actions such as following specific users, sending personalized messages, extracting lists of competitors’ followers, or even scheduling posts with advanced targeting.

Its value lies in its ability to scale activities that normally require hours of manual work. For growth hackers, PhantomBuster is especially useful because it allows them to conduct massive tests of different approaches on social media, measuring which strategies generate the best engagement.

The tool respects social platform limits to avoid penalties while maximizing the efficiency of organic growth campaigns.

3. Lemlist: automated and personalized email outreach

Lemlist allows you to create email sequences that dynamically adapt to the recipient’s behavior, incorporating personalized elements such as automatically generated images, videos, or GIFs.

Its detailed tracking system shows not only who opens the emails, but also how long they spend reading them and which links they click on. For growth hacking strategies, Lemlist is invaluable because it allows you to test different variables in outreach campaigns: subject lines, timing, content, and calls-to-action.

Its ability to integrate with other prospecting tools allows you to create fully automated flows from lead identification to final conversion.

4. LinkedIn Sales Navigator: advanced B2B prospecting

LinkedIn Sales Navigator goes far beyond the basic version of LinkedIn, allowing you to identify prospects using more than 40 different filters, including company size, industry, location, job level, and recent changes within the company.

The tool also provides insights into the best time to contact a prospect and suggests mutual connections that can facilitate the introduction.

For growth hackers, Sales Navigator is especially valuable because it allows you to identify patterns in ideal customers and replicate these patterns to find similar prospects at scale. Its integration with CRM allows you to keep detailed track of all interactions and continuously optimize the prospecting process.

5.OptinMonster: Capture leads on your website with pop-ups

OptinMonster has redefined lead capture on websites through smart pop-ups and optimized forms that are triggered based on user behavior. The platform uses more than 75 predesigned templates and allows you to create campaigns with geographic targeting, by device, traffic source, or even abandonment intent.

Its “Exit-Intent” technology detects when a user is about to leave the page and displays a specific offer to retain them. For growth strategies, OptinMonster is essential because it allows you to convert passive traffic into qualified leads.

Its automated A/B testing system continuously optimizes campaigns, while its integrations with more than 30 email marketing platforms allow you to immediately nurture captured leads.

6. Hotjar: heat maps and web behavior analysis

Hotjar provides unique insight into user behavior on your website through heat maps, session recordings, and targeted surveys.

Heat maps show exactly where users click, how far they scroll, and which elements they focus on most. Session recordings allow you to observe the entire user experience, identifying points of friction and abandonment.

For growth hackers, Hotjar is essential because it reveals the “whys” behind traditional analytics data. It allows you to identify exactly which elements of a page are causing confusion or conversions, facilitating optimizations based on real evidence of user behavior.

7. Mixpanel: event-based digital product analytics

Mixpanel specializes in analyzing events within digital products, allowing you to track specific actions performed by users rather than just pages visited, similar to what Google Analytics does.

This tool can track events such as “button clicked,” “form completed,” “video played,” or any custom action you define.

Its strength lies in its ability to create detailed conversion funnels and cohort analyses that show how different groups of users behave over time.

8. Google Experiments: Free A/B testing from Google

Google Experiments, integrated into Google Analytics, offers robust A/B testing capabilities completely free of charge.

It allows you to create experiments comparing different versions of web pages, measuring the impact on specific metrics such as conversions, time on page, or bounce rate.

The tool automatically manages traffic distribution between variants and determines when an experiment has statistical significance. For growth hackers, Google Experiments is essential because it removes the economic barriers to continuous testing.

Its native integration with Google Analytics allows you to leverage the wealth of available data to segment experiments and analyses. The ability to perform multivariate testing allows you to optimize multiple elements simultaneously, accelerating the optimization process.

9. Amplitude: cohort analysis and user funnels

Amplitude allows you to track the entire user journey from first interaction to conversion and long-term retention. Its strength lies in identifying behavior patterns that predict user success or failure, enabling proactive interventions.

The platform can segment users into cohorts based on any combination of properties and events, showing how different groups evolve over time.

For growth hacking strategies, Amplitude is essential because it reveals exactly which initial experiences lead to high-value users in the long term. Its predictive capabilities allow you to focus resources on acquiring and retaining users with the highest probability of success.

10. Zapier: automation between apps without code

Zapier has democratized automation by allowing you to connect more than 5,000 different applications without the need for technical knowledge. Using “Zaps” or automations, you can create workflows that are automatically triggered when specific events occur in one application and execute actions in others.

For example, when a lead registers on your landing page, they can automatically be added to your CRM, sent a welcome email, and notified to the sales team.

For growth hackers, Zapier is invaluable because it eliminates repetitive manual tasks that consume time and resources, and allows you to create automatic nurturing systems, synchronize data between tools, and set triggers that respond immediately to specific user behaviors.

11. Make: visual automation with advanced logic

Make, formerly known as Integromat, offers visual automation with more advanced logic capabilities than traditional tools. Its flow interface allows you to create complex automations with conditional branches, loops, and real-time data processing.

It can handle webhooks, APIs, and sophisticated data transformations that go beyond simple connections between applications. For growth hacking, Make is especially valuable when you need automations that require complex logic or large-volume data processing.

It allows you to create automatic lead scoring systems, dynamic content personalization, and workflows that adapt based on multiple variables. Its processing power allows you to create true automated marketing systems that rival enterprise solutions.

12. N8N: self-hosted automation with open source code

N8N represents the frontier of customizable automation, offering an open-source solution that can be self-hosted and fully customized.

Unlike SaaS solutions, N8N allows total control over data and workflows, with no limitations on integrations or volume. Its visual interface makes it easy to create complex automations, while its open-source nature allows for custom extensions for specific needs.

For technical growth hackers, N8N is ideal when you need highly specific automations or when you handle sensitive data that requires complete control.

13. Webflow + Memberstack / Outseta: membership websites without programming

The combination of Webflow with tools such as Memberstack or Outseta allows you to create websites with complex membership systems without the need for programming. Webflow provides the visual design and hosting, while the membership tools add features such as user registration, recurring payments, protected content, and subscription management.

This combination allows you to create everything from online courses to premium communities with all the functionality of custom platforms. For growth hackers, this solution is perfect for quickly validating business models based on subscriptions or premium content.

It allows you to iterate quickly on the product, test different pricing structures, and scale without traditional technical limitations. Its design flexibility allows you to create unique experiences that stand out from generic templates.

14. Buffer or Hypefury: scheduling and virality on social media

Buffer and Hypefury represent different approaches to social media management, both essential for growth hacking.

Buffer focuses on efficient scheduling and performance analysis across multiple platforms, allowing you to maintain a consistent presence with minimal effort, while Hypefury specializes in maximizing virality through features such as auto-retweets, automatic threads, and smart cross-posting.

Both tools allow you to leverage performance data to optimize timing, content, and frequency of posts. For growth strategies, these tools are essential because they allow you to maintain a consistent social presence while experimenting with different types of content and engagement strategies. Their analytical capabilities allow you to identify which content resonates best with each specific audience.

15. Viral Loops: referral systems and viral loops

Viral Loops specializes in creating and managing referral programs that leverage organic viral growth. The platform allows you to design systems where existing users are incentivized to invite new users, creating self-reinforcing growth loops.

It offers multiple viral campaign templates, from simple referrals to complex competitions where users compete to invite more people. Its detailed tracking system allows you to optimize every element of the referral program.

For growth hackers, Viral Loops is essential because viral growth represents the most efficient form of user acquisition.

Referrals typically have higher lifetime value and better retention than users acquired through paid advertising. Its gamification capabilities add competitive elements that significantly increase participation in referral programs.

16. Rafflys / Gleam: viral sweepstakes and contests

Rafflys and Gleam allow you to create sweepstakes and contests that leverage viral mechanics to increase reach and capture leads. These platforms allow you to design contests where participants earn additional entries for sharing, following accounts, or completing specific actions.

Their automatic verification systems ensure that the required actions are completed correctly, while their integrations allow you to automatically add participants to email marketing lists.

These sweepstakes are especially effective because they combine clear incentives with natural viral mechanics.

Users are motivated to share because it increases their chances of winning, creating exponential organic growth. Their targeting capabilities ensure that participants are qualified leads for your specific business.

17. Scrapy: data scraping with Python

Scrapy is a Python framework designed to extract data from websites in a systematic and scalable way. It allows you to create automated “spiders” that crawl websites, extract specific information, and organize it into usable formats such as CSV, JSON, or databases.

Its strength lies in its ability to handle complex websites with JavaScript, forms, and authentication systems.

For technical growth hackers, Scrapy is invaluable for competitive research, lead generation, and market analysis. It allows you to extract information from business directories, social networks, or any public web source to create massive prospect databases.

Its automation capabilities allow you to keep this data continuously updated, creating sustainable competitive advantages based on superior information.

18. Octoparse: visual scraping without code

Octoparse democratizes web scraping by offering a visual interface that allows users to extract data from websites without programming knowledge. Users can simply point and click on the elements they want to extract, and Octoparse automatically creates an extraction workflow.

The tool can handle dynamic sites with JavaScript, pagination, and dynamically loading elements.

Its system of pre-built templates makes it easy to extract data from popular platforms such as LinkedIn, Amazon, or Google Maps. For non-technical growth hackers, Octoparse opens up possibilities that previously required developers.

It allows you to create massive prospect lists, monitor competitor prices, or extract insights from social media in a fully automated way. Its ability to schedule regular extractions keeps your data always up to date.

19. ActiveCampaign: email marketing automation

ActiveCampaign combines traditional email marketing with advanced automation based on user behavior.

Its system allows you to create complex workflows that respond to specific actions: page visits, email clicks, purchases, or any custom event.

The platform includes integrated CRM, automatic lead scoring, and dynamic segmentation that updates in real time based on user behavior.

For growth hacking, ActiveCampaign is essential because it allows for massive personalization without manual effort. Its workflows can automatically nurture leads, re-engage inactive users, and personalize offers based on purchase history.

Its predictive capabilities can identify users with a high probability of converting or churning, enabling proactive interventions that maximize lifetime value.

20. Customer.io: messaging based on user events

Customer.io specializes in transactional and behavioral messaging, sending highly personalized communications based on specific user actions.

Unlike traditional email marketing, Customer.io responds in real time to events such as registration, first purchase, cart abandonment, or prolonged inactivity.

Its strength lies in its ability to create seamless user experiences where every communication feels natural and timely. For growth marketers, Customer.io can be very useful for optimizing the post-conversion experience and maximizing retention.

21. ConvertKit: Email marketing for creative professionals and simple funnels

ConvertKit is specifically designed for content creators and audience-based businesses, offering email marketing features optimized for these use cases.

Its simplified interface makes it easy to create email sequences, landing pages, and capture forms without technical complexity.

In short, the platform focuses on segmentation based on interests and behavior, allowing you to send highly relevant content to each subscriber.

Its visual funnels clearly show how subscribers move between different sequences and segments. For growth hackers in the content space, ConvertKit is ideal because it is optimized to monetize audiences through digital products, courses, or services.

Its automation capabilities allow you to create nurturing systems that convert subscribers into customers in a scalable way, while its integrations make it easy to sell digital products directly from emails.

At Magnetic, we understand that the success of growth hacking lies not only in choosing the right tools, but also in knowing how to combine them strategically to create self-reinforcing growth systems. Each of these 21 tools represents a piece of the larger digital growth puzzle. The key is to identify which ones are most relevant to your specific business model and how they can work together to create sustainable competitive advantages.

Growth hacking in 2025 requires a mindset of constant experimentation, where each tool becomes a laboratory for testing hypotheses about how to grow your business. From initial lead capture to long-term retention, these tools allow you to automate, optimize, and scale every stage of the customer journey.