Software Alternatives, Accelerators & Startups

Nessus VS Better Stack

Compare Nessus VS Better Stack and see what are their differences

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Nessus logo Nessus

Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.

Better Stack logo Better Stack

Everything you need to ship higherโ€‘quality software faster.
  • Nessus Landing page
    Landing page //
    2023-09-21
  • Better Stack Tracing
    Tracing //
    2026-03-30
  • Better Stack AI SRE
    AI SRE //
    2026-03-30
  • Better Stack Incident management
    Incident management //
    2026-03-30
  • Better Stack Status page and mobile app
    Status page and mobile app //
    2025-07-09
  • Better Stack Catalog
    Catalog //
    2025-07-09
  • Better Stack Live tail
    Live tail //
    2025-07-09
  • Better Stack Collaborative dashboards
    Collaborative dashboards //
    2025-07-09
  • Better Stack Explore logs
    Explore logs //
    2025-07-09

Better Stack is an eBPF-based, AI SRE observability tool that helps you ship higher-quality software faster. Monitor everything from websites to servers. Schedule on-call rotations, get actionable alerts, and resolve incidents faster than ever. Connect your Kubernetes or Docker clusters to gather logs, metrics, and network traces with eBPF. No code changes required.

Better Stack

$ Details
freemium $29.0 / Monthly (per responder license)
Platforms
Slack Microsoft Teams Python Ruby JavaScript Java PHP Apache Azure Docker iOS Jira Linux Mobile NGINX Outlook REST API Web Zapier
Startup details
Country
United States

Nessus features and specs

  • Comprehensive Vulnerability Coverage
    Nessus offers an extensive database of vulnerabilities, allowing it to identify a wide array of security issues across different environments, including networks, operating systems, applications, and devices.
  • Regular Updates
    Nessus regularly updates its plugin library to include the latest vulnerabilities, ensuring that it can detect new threats as they emerge.
  • User-Friendly Interface
    The Nessus interface is designed to be intuitive and user-friendly, making it accessible for users of varying technical expertise.
  • Customizable Scans
    Nessus allows users to customize scans to focus on specific areas, devices, or types of vulnerabilities, providing greater flexibility and precision.
  • Extensive Reporting and Analytics
    Nessus offers detailed reporting and analytics capabilities, helping users understand the state of their security posture and prioritize remediation efforts.
  • Automation Capabilities
    Nessus supports the automation of scanning and reporting processes, which helps maintain ongoing security assessments without requiring constant manual intervention.
  • Integration with Other Tools
    Nessus integrates well with other security tools and systems, such as SIEMs, making it a versatile component of a broader security ecosystem.

Possible disadvantages of Nessus

  • Cost
    Nessus can be expensive, particularly for smaller organizations or those with limited budgets, as licensing fees can add up based on the number of assets being scanned.
  • Resource Intensive
    Nessus scans can be resource-intensive, potentially impacting network performance and requiring significant computational resources to conduct thorough assessments.
  • False Positives
    Like many vulnerability scanners, Nessus may sometimes produce false positives, which can lead to unnecessary remediation efforts and wasted resources.
  • Learning Curve
    Despite its user-friendly interface, fully leveraging all of Nessus's advanced features and capabilities can require a significant learning curve.
  • Limited Free Version
    The free version of Nessus, Nessus Essentials, is limited in its capabilities and is intended for individual use or small networks, which may not be sufficient for larger organizations.
  • Potential Over-Reliance
    Organizations might become overly reliant on Nessus for vulnerability management, potentially neglecting other important aspects of a comprehensive security strategy.

Better Stack features and specs

  • Logs & traces
    Aggregate structured logs & traces from anywhere, transform them with VRL and query using Drag & drop, simple filtering, PromQL or SQL.
  • Metrics
    Visualize metrics with ready-made collaborative dashboards. Generate metrics from logs or collect them via Prometheus, OpenTelemetry or others.
  • AI SRE
    Slack-native AI SRE agent that investigates incidents using your logs, metrics, traces, errors, and web events.
  • Error tracking
    Donโ€™t waste time reproducing errors manually. We provide you with browser context, backend environment variables, and stack traces so you can focus on fixing.
  • Uptime monitoring
    The most reliable external monitoring for your monolith application, SPA, REST API, or a bare metal server.
  • Transaction monitoring (Playwright)
    Hosted Playwright-based transaction checks let you monitor vital website interactions by running a real browser instance.
  • Heartbeats (Cron job monitoring)
    Heartbeats let you monitor scheduled jobs like cron jobs or serverless workers. Never lose a database backup again.
  • On-call & incident management
    On-call scheduling & alerting is built-in. Set up duties, get flexible alerting options, and resolve incidents collaboratively.
  • Slack-based incident management
    Resolve incidents without leaving Slack by leveraging powerful automations.
  • Call routing
    Route incoming phone calls to the current on-call person to create incidents automatically.
  • Reporting & analytics
    Track team KPIs easily analyze incident metrics, on-call duties, and advanced SLAs/SLIs.
  • Status pages
    Get a branded status.yourdomain.com and build credibility with customers. Monitoring and incident management is fully-integrated.
  • Security
    Keep your data secure and control your costs by having visibility into your usage. Stay compliant with SOC 2, GDPR, and more.
  • Real user monitoring
    Session replay, web vitals & product analytics

Nessus videos

LABS 17 Vulnerability Analysis Using the Nessus REVIEW

More videos:

  • Review - What is Nessus? | Explaining vulnerabilities in a Web Application
  • Review - Getting Started with Nessus Vulnerability Scanner - 2018

Better Stack videos

Investigate incidents

More videos:

  • Demo - Better Stack Collector
  • Demo - Getting started with Live tail

Category Popularity

0-100% (relative to Nessus and Better Stack)
Security
100 100%
0% 0
Monitoring Tools
30 30%
70% 70
Web Application Security
100 100%
0% 0
Uptime Monitoring
0 0%
100% 100

Questions & Answers

As answered by people managing Nessus and Better Stack.

How would you describe the primary audience of your product?

Better Stack's answer:

Engineering teams of all sizes โ€“ from startups to Fortune 500 companies.

What makes your product unique?

Better Stack's answer:

Better Stack is a modern observability tool that leverages eBPF and OpenTelemetry to make tracing work for you.

What's the story behind your product?

Better Stack's answer:

We are software builders at Better Stack.

CEO is a software engineer, COO is a software engineer and you guessed it; CTO is an engineer, too.

Weโ€™re helping developers ship higher quality software faster.

Why should a person choose your product over its competitors?

Better Stack's answer:

You get an unrivaled price-to-performance ratio. Forget sampling and ingest all your data, or decrease your costs by 30x.

Which are the primary technologies used for building your product?

Better Stack's answer:

The primary technologies used to build Better Stack are eBPF for low-level, high-performance instrumentation and ClickHouse for storing and querying large volumes of observability data efficiently.

User comments

Share your experience with using Nessus and Better Stack. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Nessus and Better Stack

Nessus Reviews

Best Burp Suite Alternatives (Free and Paid) for 2023
The main functions of Nessus are asset discovery, web scanning, prioritization, policy management, and vulnerability assessment. It enables organizations to tailor scans based on individual preferences, ensuring compliance with Center for Internet Security (CIS) benchmarks and other top-notch practices. Security teams can generate reports on various vulnerability types,...
Burp suite alternatives
Nessus is the best alternative choice for burp suite. It is a popular vulnerability scanner software. It can scan a wide range of technologies including operating systems, databases, network devices, web servers, hypervisors, and critical infrastructures. The output of the scan can vary in various formats such as plain text, XML, Latex, and HTML. Nessus provides additional...
Source: www.educba.com
10 Best Tenable Nessus Alternatives For 2021 [Updated List]
Answer: Nessus features a wide product line that includes the Nessus Cloud, Nessus Manager which is suitable for vulnerability management on-premises, Nessus Professional runs scans on client devices, such as a laptop. There is also Nessus Essentials, which is a free version of the tool that caters to general consumers.
Best Nessus Alternatives (Free and Paid) for 2021
Built for security practitioners by security professionals, Nessus Professional is the de-facto industry standard for vulnerability assessment. It was built by Tenable Network Security. Nessus performs point-in-time assessments to help security professionals quickly and easily identify and fix vulnerabilities, including software flaws, missing patches, malware, and...
16 Tresorit Alternatives
Nessus is a flexible and straightforward remote security scanning tool that effectively scans a computer and gives an alert when it discovers some issues. The software is pro-efficiently discovers vulnerabilities that hackers could access your operating system via a connected network. Nessus is the name of pride in delivering services that are always up to the mark. Nessus...

Better Stack Reviews

The 10 Best Nagios Alternatives in 2024 (Paid and Open-source)
A notable feature of Better Stack is its capability to execute Playwright scripts. You can easily input your script into the dashboard, allowing Better Stack to monitor front-end transactions effectively.
Source: betterstack.com

Social recommendations and mentions

Based on our record, Better Stack seems to be more popular. It has been mentiond 22 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Nessus mentions (0)

We have not tracked any mentions of Nessus yet. Tracking of Nessus recommendations started around Mar 2021.

Better Stack mentions (22)

  • Best Cloud Monitoring Tools in 2026: A Developer's Honest Comparison
    Better Stack bundles uptime monitoring, incident management, on-call scheduling, log management, and status pages into one dashboard. For cloud monitoring, it sits closer to the external/uptime layer than to deep infra telemetry. It watches your cloud-hosted endpoints, collects logs, and gives you on-call and a status page without stitching together separate products. - Source: dev.to / 21 days ago
  • Ask HN: Who is hiring? (July 2026)
    Better Stack | https://betterstack.com/ | /^Full-?stack Engineer$/i | Remote (North America & Europe) We are software builders at :heart: CEO is a software engineer, COO is a software engineer, and you guessed it, CTO is an engineer, too. We are engineers, making the tools we always wanted. If you love building amazing software, you're at the right address. We are looking for software engineers who, given enough... - Source: Hacker News / 28 days ago
  • Best Synthetic Monitoring Tools in 2026: Honest Comparison
    Better Stack bundles uptime, real Playwright/Chromium browser checks, incident management, on-call, logs, and status pages in one product โ€” and its native on-call and escalation are the best in this list. You author in JavaScript or paste from Playwright codegen, and you get trace-viewer artifacts on failure, an MCP integration, and a Terraform provider. - Source: dev.to / about 1 month ago
  • Best Status Page Software in 2026: Honest Comparison for Engineering Teams
    Better Stack (formerly Better Uptime + Logtail) is the most ambitious all-in-one in this list โ€” it bundles uptime monitoring, on-call scheduling, incident management, status pages, AND log management into a single platform. If you want one vendor for your entire observability and incident communication stack, this is the closest thing to that vision. - Source: dev.to / about 2 months ago
  • Best Website Monitoring Tools in 2026: What Engineering Teams Actually Use
    Better Stack (formerly Better Uptime + Logtail) is an all-in-one reliability platform combining uptime monitoring, on-call scheduling, incident management, status pages, and log management in a single product. The pitch is eliminating the patchwork of 3โ€“5 tools most teams cobble together โ€” monitoring, PagerDuty, Statuspage, and a log aggregator โ€” into one coherent system. - Source: dev.to / about 2 months ago
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What are some alternatives?

When comparing Nessus and Better Stack, you can also consider the following products

Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.

UptimeRobot - Free Website Uptime Monitoring

Intruder - Intruder is a security monitoring platform for internet-facing systems.

Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.

Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...

StatusCake - Website Uptime Monitoring & Alerts โ€“ Free Unlimited Downtime Monitoring