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Penetration Testing Tools
Penetration testing software tools enable security professionals to test applications and IT systems to identify vulnerabilities. Penetration testing tools, sometimes known as "pen testing" tools, can simulate a hack or attack in order to test the security of a given application or system.
Email Testing Tools
Email testing tools help marketers and developers preview, test, and optimize email campaigns to ensure they display correctly across various email clients, devices, and browsers. They check for rendering issues, broken links, spam score, load times, and accessibility compliance before sending emails to recipients. These tools often provide inbox previews, A/B testing features, and analytics to improve deliverability and engagement rates. By automating quality checks and identifying potential problems early, email testing tools enhance campaign effectiveness and reduce errors. They are essential for businesses aiming to maximize the impact of their email marketing efforts.
Software Testing Tools
Software testing tools help developers and QA teams assess the functionality, performance, and security of applications by automating and streamlining the testing process. These tools offer various testing methods, such as unit testing, integration testing, and load testing, to identify bugs, vulnerabilities, and other issues before deployment. They often include features like test case management, real-time reporting, and bug tracking to enhance collaboration and ensure thorough testing coverage. By automating repetitive testing tasks, software testing tools improve efficiency, reduce human error, and speed up the development lifecycle. Ultimately, these tools ensure that software is reliable, secure, and meets quality standards before it is released to users.
Usability Testing Software
Usability testing software enables product designers and teams to test the usability of a website, web application, or mobile app. Usability testing tools streamline the process of user testing.
Unit Testing Software
Unit testing software is a type of software tool and/or framework that enables developers and programmers to test small and individual source code units in order to ensure that each unit of the source code functions as it should.
Performance Testing Software
Performance testing software is software designed to evaluate the speed, responsiveness, and stability of applications under various conditions. It simulates multiple users or workloads to assess how well the software performs under stress, heavy usage, or high traffic. This type of software helps identify bottlenecks, resource limitations, and areas for optimization before the application is released to end-users. It provides detailed reports on metrics such as load times, throughput, and error rates to guide developers in improving application performance. By using performance testing software, businesses can ensure their applications deliver a smooth and reliable experience even during peak usage.
Automated Testing Software
Automated testing software is a type of software tool that is used to test the functionality of other software applications or products. It is typically used to verify that the software works as expected and to identify any bugs or issues that need to be addressed. Automated testing software typically includes a set of scripts that are executed by the program, and results are reported back to the user. This type of testing can be an efficient way to ensure that a software product meets its requirements.
Functional Testing Tools
Functional testing tools are software platforms designed to verify that a system or application performs as expected according to its functional requirements. These tools automate the process of testing individual features and functionalities of an application to ensure they work correctly. Functional testing tools typically support a variety of testing types, including unit testing, integration testing, and user acceptance testing (UAT). They allow testers to simulate user interactions with the application, execute test cases, and identify bugs or issues in the functional behavior of the software. By automating repetitive testing tasks and improving accuracy, functional testing tools help accelerate the software development lifecycle and ensure high-quality releases.
AB Testing Software
A/B testing software allows businesses to compare two or more versions of a webpage, app, or marketing campaign to determine which performs better based on user behavior and key metrics. It enables marketers and product teams to run controlled experiments by splitting traffic between variants and collecting data on conversions, engagement, and other goals. The software often includes tools for test setup, audience segmentation, real-time analytics, and statistical significance calculation. Many platforms integrate with analytics and marketing tools to help optimize user experiences and drive data-driven decisions. By leveraging A/B testing software, organizations can improve conversion rates, reduce bounce rates, and enhance overall customer satisfaction.
Load Testing Tools
Load testing tools are used to test and verify the quality and performance of an application under workload in order to get rid of problems.
Test Management Tools
Test management tools help organizations plan, track, and organize software testing processes to ensure that applications meet the desired quality standards. These platforms typically include features for creating and managing test cases, tracking defects, and automating test execution. Test management tools also provide reporting and analytics capabilities, allowing teams to monitor test progress, identify bottlenecks, and improve testing efficiency. By using these tools, teams can streamline the testing process, ensure comprehensive test coverage, and improve collaboration among development and quality assurance (QA) teams.
API Testing Tools
API testing software is used to test and validate the functionality, performance, security, and reliability of Application Programming Interfaces (APIs). These tools help ensure that APIs perform as expected under various conditions and meet the required business and technical requirements. Features typically include automated testing, request/response validation, load testing, security testing (e.g., for vulnerabilities and authentication), and performance testing. API testing software often supports integration with continuous integration/continuous deployment (CI/CD) pipelines to facilitate automated testing as part of the software development lifecycle.
Speed Test Websites
Speed test websites and speed test apps are tools that enable individuals or IT professionals to test the speed of an internet connection on any device. Speed tests can measure upload speed, download speed, ping, latency, jitter, and more. Speed test websites can be used to test the internet speed of a WiFi or ethernet connection from a web browser on a desktop or laptop, while speed test apps can be downloaded natively to smartphones so that the wireless connection can be tested from the mobile device.
Test Automation Frameworks
Test automation frameworks are sets of tools, components, and practices that automate the process of testing software applications. These frameworks enable testers to write, execute, and manage test scripts for various types of software testing, including functional, regression, load, and performance testing. They often provide features such as reusable test scripts, integration with continuous integration/continuous deployment (CI/CD) tools, reporting, and test result tracking. Test automation frameworks help improve test efficiency, reduce manual errors, and speed up the overall testing process, especially in large and complex software environments.
Mobile App Testing Tools
Mobile app testing tools are software solutions designed to help developers and quality assurance teams ensure that mobile applications perform as expected across different devices, platforms, and network conditions. These tools provide functionality for testing app performance, user interfaces (UI), compatibility, security, and usability. They often include features like automated testing, performance monitoring, bug tracking, and support for both iOS and Android apps. Mobile app testing tools help identify issues before an app is released to ensure it provides a smooth user experience and meets quality standards.
Test Data Management Tools
Test data management tools enable IT professionals and developers to create non-production test data that simulates real company data in order to reliably test applications and systems with data that's similar to production data.
Web Accessibility Testing Tools
Web accessibility testing tools are designed to evaluate websites and applications for compliance with accessibility standards such as WCAG, Section 508, and ADA. They scan and analyze elements like color contrast, keyboard navigation, semantic structure, and screen reader compatibility to ensure digital content is usable by people with disabilities. Many tools provide automated reports, recommendations, and simulations of accessibility barriers to guide developers in fixing issues. They are used by web designers, developers, and compliance teams to create inclusive digital experiences and reduce legal or reputational risks. By integrating into workflows, these tools help organizations continuously monitor, test, and improve accessibility across web properties.
Pre-employment Testing Software
Pre-employment testing software helps organizations evaluate job candidates through objective assessments before hiring. It typically includes tools for skills testing, personality assessments, cognitive ability evaluations, and role-specific challenges. This software automates the screening process, providing data-driven insights to identify the best candidates efficiently. It enhances hiring accuracy, reduces bias, and saves time by filtering out unqualified applicants early. Companies use pre-employment testing software to improve the quality of hires and create a fairer, more effective recruitment process.
Crowd Testing Platforms
Crowd testing platforms are digital tools that allow businesses to leverage the power of crowdsourcing to test their software applications. They enable organizations to outsource testing tasks to a large pool of qualified testers who can provide feedback on the quality and functionality of their products. Crowd testing platforms typically include features such as bug tracking, project management, analytics and real-time communication tools that help teams collect test results quickly and efficiently. Many also offer flexible pricing options, allowing companies to pay based on the number of tests they need or the amount of time they need testers.
Drug Testing Software
Drug testing software is software used to manage and store drug test results for individuals in the workplace or other fields. It is designed to provide accurate information about an individual's drug use, as well as give notifications to employers and personnel about drug test results. The software can also include features such as employee tracking and data storage, which are documented and retained for inspection if necessary. Security measures are typically included in the system to protect the privacy of the individuals being tested. This software makes it easier for organizations to comply with regulations regarding drug testing while still providing reliable results.
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    SMTP Debug Tool

    SMTP Debug Tool

    SMTP Debug Tool

    Ensure flawless email communication with the SMTP Debug Tool, a completely free and secure way to diagnose SMTP connection issues. This tool connects to your SMTP server, initiates a test session, and provides a detailed log of the interaction between servers. Whether you're using popular email services like SendGrid, Google SMTP, Elastic Email, UniOne or Mailgun, this tool simplifies troubleshooting and helps resolve sending errors. With end-to-end encryption, your information remains...
    Starting Price: $0
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    GlockApps

    GlockApps

    GlockApps

    Where are your emails delivered? Receive reports with an in-depth understanding of what your emails are doing and how to increase your reputation and deliverability before you hit Send! In your reports you can: ❖ Check to see if your sending IPs or Domains are listed within 50+ major email blacklists. ❖ Protect your identity by identifying, monitoring, and rejecting unauthenticated outgoing emails. ❖ Identify whether your email’s content or reputation is being flagged as Spam by...
    Starting Price: $9 per month
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    MailHog

    MailHog

    MailHog

    Inspired by MailCatcher, easier to install. MailHog is an email testing tool for developers: Configure your application to use MailHog for SMTP delivery. View messages in the web UI, or retrieve them with the JSON API. Optionally release messages to real SMTP servers for delivery. See MailHog libraries for a list of MailHog client libraries. ESMTP server implementing RFC5321. Support for SMTP AUTH (RFC4954) and PIPELINING (RFC2920). Web interface to view messages (plain text, HTML or source...
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    mail-tester

    mail-tester

    mail-tester

    We needed a cheap, simple and efficient way to quickly test the quality of our own newsletters. We simply built on our own tool. Now we're sharing it for free via our web-interface and enable you to include our tests in your own app and whitelist our service by creating an account. We're geeky email software engineers. We generate a random email address each time you access our port. You should send a message from your favorite Newsletter/email software to this email address. Once done, click...
    Starting Price: €50 per 500 test
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    Inbox Pirates

    Inbox Pirates

    Crewcharge Technologies

    Inbox Pirates is an email preview, email testing & subject line testing software tool that powers email marketing and sales outreach teams to get a great boost in email opens. It previews your email on popular email clients like Gmail, Yahoo, and Outlook, and on several devices and screen sizes. Inbox Pirates allows you to preview, test, and analyze emails using the chrome extension and integrates with popular mailing tools like Hubspot, Apollo.io, Brevo, Mailchimp, and Gmail. It allows...
    Starting Price: $0
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    Critical Impact

    Critical Impact

    Critical Impact

    ...-to-use interface, you can schedule messages to send in minutes. Select your send options all on one page, and then prevent mistakes by seeing a confirmation of all your send details. Even A/B test your email across device screens – from phones to tablets to monitors.
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    Email88

    Email88

    Webqom Technologies

    Email88 is a Software-as-a-Service (SaaS) marketing platform that enables companies to create, test and send data-driven automated campaigns. Our technology integrates with key business systems, such as e-commerce platforms and CRMs, providing access to rich insights in real time. Email88 provides the ability to send bulk email to target audiences, The intent is to send newsletters or promotional materials to opt-in lists of subscribers. The software typically includes a database...
    Starting Price: $16.69/month/user
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    ISnotSPAM

    ISnotSPAM

    ISnotSPAM

    Sending newsletters and email marketing is not easy. You need to work on the design, the graphics and the content. Being busy with all that work, you might forget to check if your content is set to trigger some spam filter which will send your hard work straight to the subscribers' spam folder. IsNotSpam online spam checker was created to help you test email and newsletter content, and alert if it is likely to trigger spam filters. 99.99% of email accounts use spam filters these days. Spam...
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    PartnerHero

    PartnerHero

    PartnerHero

    ... protect your brand like it’s our own. Our moderation associates and trust & safety specialists don’t just support your team, they become an extension of it, enforcing your community guidelines in any language and time zone. Regression and snapshot testing, refactor tests. System integration, functional, exploratory, and black box testing. User acceptance testing and localization testing. Policy and workflow consulting and online risk abatement.
    Starting Price: $10 per hour
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    Inbox Monster

    Inbox Monster

    Inbox Monster

    Inbox Monster helps email teams send epic messages to every inbox. With creative rendering and deliverability tools, you can find your email rawwwr. Expert Services: Truth: You need an expert by your side. Sending email is a lot. And the rules are constantly changing. That’s why having proactive support to help you make it to the inbox is just worth it. For your sanity and bottom line. Creative Suite: Creative testing, with a glow up. We’re doing email testing a little different...
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    Suped

    Suped

    Suped

    Suped is a DMARC monitoring platform that helps startups and enterprises secure their email. We provide clear analytics, instant threat alerts for spoofing attempts, and step-by-step guidance to strengthen your domain's security. Stop phishing, improve your domain reputation, and make sure your emails hit the inbox every time. DMARC Report Analysis: Automatically processes complex aggregate (RUA) and forensic (RUF) reports into a simple dashboard. Real-Time Threat Alerts: Instant...
    Starting Price: $11/month
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    Userbrain

    Userbrain

    Userbrain

    Userbrain shows you what’s working for your product — and what’s not. A simple tool that lets you create a user test in minutes and get results in just a few hours. Whether you’re a UX designer, researcher, or manager, with Userbrain you’re bound to build products people love to use. Watch real people with different personalities, locations, and device types interact with your product in their normal surroundings.
    Starting Price: $35 per month
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    Litmus

    Litmus

    Litmus Software

    Build, edit, and instantly preview your emails across 90+ clients. Plus, utilize integrations with popular email platforms to speed production and reduce errors. Catch broken links, images, and tracking, as well as test campaign load time, scan your subject line for improvements, and more with a simple, automated check. Quickly identify potential issues preventing your email from being delivered, and use actionable in-product advice to fix them.
    Starting Price: $99 per month
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    Helio

    Helio

    ZURB

    A survey platform for asking design, product, and marketing questions. We provide qualitative and quantitative answers from our audience or your customers. Our behaviors are what makes us human. Use our advanced behavior filters to reach a unique audience in minutes and get a clear understanding of the product your customers experience. Select device types for your surveys and tests. Ensure audiences worldwide or down the street interact with your content in the correct format. Flexibility...
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    Headline Analyzer

    Headline Analyzer

    Advanced Marketing Institute

    This free tool will analyze your headline to determine the Emotional Marketing Value (EMV) score based on proprietary analysis technology developed by Advanced Marketing Institute. As you know, reaching your customers in an deep and emotional way is a key to successful copywriting, and your headline is unquestionably the most important piece of copy you use to reach prospects. Your headline will be analyzed and scored based on the total number of EMV words it has in relation to the total...
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    MailGenius

    MailGenius

    MailGenius

    Our experts work as an extension of your team to provide efficient email consulting on critical issues, and connect you to industry email partners to make your marketing program more successful now. Book a free meeting with a MailGenius vetted email expert. Your emails will reach the inbox and stay there. Our email experts can fix your Email deliverability issues and help you increase your email opens, email clicks and email marketing sales. The solutions are determined by your setup,...
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    SendHealth

    SendHealth

    SendHealth

    We generate an extensive report on sending IP, domain, their blacklist data, Content spam score, DNS records alignment for inboxing your emails. Once you have sent the email, start the diagnosis and we generate the report for you to understand and debug your email lords. Use your email marketing tool, ESP, API, or your GSuite/Zoho workspace to send an email to the recipient provided by us. The blacklist looks for domains in the email body that have been a known source for spammers. These...
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    Mailtrap

    Mailtrap

    Railsware

    Mailtrap is an email delivery platform for developers and product teams, providing a flexible RESTful API and SMTP service to send emails at scale. The platform is built with a focus on high inboxing rates, fast delivery, and 24/7 technical support from deliverability experts. Mailtrap ensures 99.99% uptime with dedicated IPs, auto warm-up, and sender reputation protection. Developers can integrate quickly using SDKs for major languages (Python, Ruby, PHP, etc.) and manage high-volume...
    Starting Price: $15/month
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    Loops

    Loops

    ThinkSprint

    Get real consumer feedback across the creative journey in hours and dazzle stakeholders with distinctive work the audience loves. Loops gives you audience feedback within hours, not weeks. Test multiple concepts simultaneously and iterate quickly - essential for staying competitive in 2025's content-heavy landscape.
    Starting Price: $1820/month
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    Lyssna

    Lyssna

    Lyssna

    Lyssna (formerly UsabilityHub) is a remote user research platform that takes the guesswork out of design decisions by validating them with real users. Discover how people navigate your Figma prototypes. Test interfaces, interaction flows, iconography and more, to help you create intuitive and delightful experiences for your users. Fine-tune landing pages, messaging, and creativity, helping you optimize conversion rates on marketing campaigns and product launches. Ensure you’re delivering...
    Starting Price: $75 per month
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    Mailinator

    Mailinator

    Manybrain

    Test your trial sign ups, account creation, marketing Emails, and SMS for interactions and receipts at production scale - instantly! Upgraded plans get private inboxes at private domains unique to your account, Web and API access, message routing rules, permanent storage, and high daily limits. Mailinator is really, really good at Email. But it handles any kind of Message. You can add an SMS to your Private Domain(s) for SMS Workflow Testing. Or have a third-party send their JSON Payloads right...
    Starting Price: $99 per month
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    Send Check It

    Send Check It

    Send Check It

    How can you stand out in the inbox? Get more opens? Compare it to 100,000+ other emails sent by marketers like you. You may be able to improve with some tweaks. A measure of how easy-breezy it is to read your subject line. Don't shy away from using well known industry specific terms, just don't make it complicated. Reading Grade Level is a mixture of word choice, complexity and length. Writing at a lower level tends to generate more opens. How many words in your subject is less important...
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    SubjectLine

    SubjectLine

    SubjectLine

    SubjectLine.com is a division of Worldata. Contact us today to receive more information about how we can help you and your company with your marketing strategies! SubjectLine.com has become the industry’s leading email marketing resource. The site includes major marketing related news items, best practices and a free subject line rating tool that allows marketers to test any subject line for possible deliverability and marketability issues. The tool scans for over 800 unique rules that could...
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    EmailGuard

    EmailGuard

    EmailGuard

    ..., and sending servers, notifying you instantly if you're listed and providing details to get delisted. The features allow you to mask your primary domain with multiple secondary domains, using a pool of shared IPs or your own dedicated IP. EmailGuard also includes an email tester that analyzes 162 different potential data points, passing your email through a series of deliverability tests and spam filters.
    Starting Price: $49 per month
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    Marker.io
    Bug reporting made easy for everyone. Collect website feedback from your team and clients, without driving developers crazy. Get your internal team and clients to mark up bugs, ideas and feedback directly on your site. It's like drawing with a marker on your screen. Forget about tracking feedback in emails, chat messages and meeting notes. Gather bug reports directly inside your existing issue tracker. Help your developers reproduce bugs faster without asking reporters to include any...
    Starting Price: $39 per month
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    QuestionStar

    QuestionStar

    QuestionStar

    QUESTIONSTAR is one of the most powerful tools for online surveys. Extensive functions packed into a user-friendly interface make it easy to create professional surveys of any complexity level and to analyze and statistically analyze collected data online. Correlations, crosstabs, regression analysis, t-tests, etc. can be done online in the tool. Additional analysis software becomes obsolete with QUESTIONSTAR in most cases. All professional functions are available in all tariffs. Flexible...
    Starting Price: €0
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    Mailsac

    Mailsac

    Forking Software

    Make up any email address @mailsac.com and you can instantly receive mail. No need to create the email first! Everything is public, unless you create an account. It's cheap and easy to setup a unique email address per online service. Route all your Mailsac addresses to a single one that you check. Email validation checks the formatting of an email address and if the email address is associated with a known disposable email address provider. With Mailsac, it is easy to interact with email via...
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    Accessible-mail.org

    Accessible-mail.org

    Accessible-mail.org

    It is the mission of Accessible-email.org to promote email marketing accessibility and usability. In that be the voice of users and the email marketing community. For years the email marketing industry has never really made a point of accessibility. But a large section of email recipients does care and need accessible email. With the current maturity of the channel, it should be totally possible and new devices, email clients and coding techniques demand better accessibility. We believe it...
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    Spoof Caller ID

    Spoof Caller ID

    Spoof Caller ID

    Spoof Caller ID is a telecommunications service that allows users to place voice calls while customizing the caller ID that appears on the recipient’s phone. The platform is primarily designed for businesses, call centers, QA testing teams, VoIP professionals, and telecom engineers who need to verify routing, display behavior, and network reliability across different carriers and regions. The application operates through SIP-based voice routing and supports multiple call routes, giving users...
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    Crazy Egg

    Crazy Egg

    Crazy Egg

    Make your website better. Instantly. Understand the customer journey with Snapshots, Heatmaps and Recordings. Use our visual reports and individual session recordings to get to know your website visitors - where they're coming from, where they're navigating to, and where they're getting stuck - so you can make design changes with confidence. Make data-backed decisions that will impact your bottom line over time. With Crazy Egg A/B Testing, know with certainty you picked the correct content...
    Starting Price: $24 per month