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Life & fun · alternatives · 2026

S2

SeaLion 2 is a Linux server monitoring, alerting, and debugging tool designed for system administrators and DevOps professionals. It provides real-time monitoring of server performance and health, sends alerts when… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. SeaLion 2 – Linux Server Monitoring, Alerting and Debugging Tool launched in 2014; newer entries below may have overtaken it.

  1. 1
    Keep▲682

    The open-source alerts management and automation platform

    2023 · github.com · its alternatives →

  2. 2
    Sealit▲509

    Simple data security to get compliant & stay productive

    2023 · its alternatives →

  3. 3

    Easy monitoring for your Linux servers

    2015 · sealion.com · its alternatives →

  4. 4

    Linux system exploration and troubleshooting tool with first class support for containers - draios/sysdig

    2014 · github.com · its alternatives →

  5. 5

    A beautiful web dashboard for Linux. Contribute to tariqbuilds/linux-dash development by creating an account on GitHub.

    2014 · github.com · its alternatives →

  6. 6

    Monitoring for websites, APIs, and cron jobs

    2024 · webgazer.io · its alternatives →

  7. 7

    Hi Hacker News! Shahar and Tal from Keep here. A few months ago, we introduced here at HN (https://news.ycombinator.com/item?id=34806482) Keep as an “open source alerting CLI” and got some interesting feedback - mainly around UI, automation, and supporting more tools. We were VERY early back then, and we understood that although the current DX around creating alerts is not great, it's not that critical and developers don’t need another tool just for that. But we did find something else. While talking to developers and devops, we found that a lot of companies use many tools…

    2023 · github.com · its alternatives →

  8. 8

    A rest application to update firewalld rules on a linux server - GitHub - prashantgupta24/firewalld-rest: A rest application to update firewalld rules on a linux server

    2020 · github.com · its alternatives →

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  10. 10

    Hi Hacker News! Shahar and Tal from Keep here. We're thrilled to announce that we're open-sourcing our alerting CLI tool, Keep (https://github.com/keephq/keep). Designed by developers for developers, Keep streamlines and simplifies alerting, making it a first-class citizen within the development process. Think of Keep as Prometheus Alertmanager but for all observability tools, with a simple and intuitive (GitHub actions-like) syntax. We believe that alerting has historically been neglected in existing monitoring platforms, leading to subpar alerting practices. With Keep,…

    2023 · github.com · its alternatives →

  11. 11

    Per-executable network bandwidth monitoring for Linux

    2022 · elesiuta.github.io · its alternatives →

  12. 12
    Seald SDK▲108

    Protect your users' data with end-to-end encryption.

    2021 · seald.io · its alternatives →

  13. 13
    Pulse▲75

    A simple tool to monitor your servers and sites

    2019 · its alternatives →

  14. 14

    Develop faster, eliminate complexity, protect your secrets

    2022 · 1password.com · its alternatives →

  15. 15
    Sensorpad▲124

    Monitoring and reporting tool for cron jobs & data pipelines

    2021 · sensorpad.io · its alternatives →

  16. 16RA
  17. 17
    Desole▲89

    Open source error-tracking, tightly integrated with AWS.

    2018 · its alternatives →

  18. 18

    tracexec helps you to figure out what and how programs get executed when you execute a command. It's useful for debugging build systems, catching fd leaks, understanding what shell scripts actually do, figuring out what programs does a proprietary software run, etc.

    2024 · github.com · its alternatives →

  19. 19

    hey guys, wanted to show one of my side projects i just made public. the idea is basically another osint tool for pentesters and bug bounty hunters. it watches certificate transparency logs and checks newly-seen domains for exposed stuff like .env files, open .git dirs, config files, db dumps and so on, and puts whatever it finds into a searchable db. you just search a domain (or part of one) and see what's exposed. it's read-only and free. one thing i've been thinking about adding is a way to register for certain keywords and get notified when something new shows up for that search. would…

    Jul 2026 · search.cerast-intelligence.com · its alternatives →

  20. 20

    Hi Everyone, Prashant here from Devtron. With the community’s help and feedback, we built Hyperion - An Opensource tool to observe, deploy, manage & debug Helm Application on Multiple Clusters. We developed Hyperion as a module that comes with Devtron preinstalled or it can be separately installed. While there are pre-existing tools like Kubernetes dashboard, Lens, Octant; Hyperion is focused on helm charts. Some of the features which sets it apart are: - Deploy, manage, observe and Debug Helm charts across multiple clusters. A. Install, Manage Helm charts, Applications across multiple…

    2022 · github.com · its alternatives →

  21. 21DM

    Hi HN! I am Krishna Thota, founder of DevRaven. DevRaven is a monitoring platform for Developers. DevRaven enables engineering teams or individual developers to setup active monitoring for their services/applications and get alerted when things don't work as expected Today's launch makes available the following features: API Monitoring - Monitor your HTTP end points and perform no-code or scripted assertions. Synthetic Monitoring - Execute browser based end-to-end tests using Playwright framework. No setup required. SSL Monitoring - Monitor SSL certificates for your end points and get…

    2022 · devraven.io · its alternatives →

  22. 22

    Lightweight system monitor for Linux VPS. Contribute to leodeim/vpsmon development by creating an account on GitHub.

    Aug 2026 · github.com · its alternatives →

  23. 23
  24. 24LA

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →