nowfound

Dev tools · alternatives · 2026

24 alternatives to OUTSIDE

See your attack surface before attackers do

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Your digital assets exposed to the internet create threats.

    2021 · swordeye.io · its alternatives →

  2. 2

    Attackers Shouldn't Have the Information Advantage

    2024 · flare.io · its alternatives →

  3. 3

    Real-time Geospatial and Geofencing. Contribute to tidwall/tile38 development by creating an account on GitHub.

    2019 · github.com · its alternatives →

  4. 4
    Resmo▲332

    Discover and secure every asset on cloud & SaaS

    2022 · jumpcloud.com · its alternatives →

  5. 5

    Know what the internet knows about you

    Jul 2026 · asmscan.com · its alternatives →

  6. 6
    Trench▲281

    Open source analytics infrastructure

    2024 · trench.dev · its alternatives →

  7. 7

    Real-time Geospatial and Geofencing. Contribute to tidwall/tile38 development by creating an account on GitHub.

    2016 · github.com · its alternatives →

  8. 8

    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 →

  9. 9

    Free open-source GEO tracker for LLM visibility

    Apr 2026 · oneglanse.com · its alternatives →

  10. 10

    See your external attack surface the way adversaries do

    2025 · glasstrail.com · its alternatives →

  11. 11

    Find exposed assets before attackers find them

    Jun 2026 · externalsight.com · its alternatives →

  12. 12

    AI agents for insider risk detection and response

    May 2026 · above.security · its alternatives →

  13. 13
    My!hū▲81

    See global environmental data in one real-time platform.

    Apr 2026 · app.myhu.world · its alternatives →

  14. 14

    Free attack surface monitoring and risk management solution

    2021 · control.coalitioninc.com · its alternatives →

  15. 15

    Anthropic and OpenAI's publicly available models are explicitly guard-railed so that they refuse offensive tasks. And their cyber-focussed models are gated for enterprises. This leaves SMEs and mid market open to major vulnerabilities. AI can be used as both an adversarial and defensive tool in the world of cyber. A worst case outcome is if only the adversaries have access. Meanwhile, most existing AI cyber tools are just wrappers. The problem is that they still have all the guardrails on from the foundation model where they will inherit its refusals. For this project we've post-trained a…

    Jun 2026 · argusred.com · its alternatives →

  16. 16

    Track browser extension installations / threats in real-time

    2019 · extensionmonitor.com · its alternatives →

  17. 17AG

    My name is Adrian. I'm a Software Engineer and I spent 6 years developing a perimeter-based geofence-based social media app. What it does: - Allows you to load a custom perimeter anywhere on the geographic map (180° E and W longitude and 90° N and S latitude), to cover area any area of interest - Chat rooms get loaded within the perimeter - You can chat with people within the perimeter I developed a mobile app that uses an advanced geofence-based networking system from 2013 to 2019. My goal was to connect users within polygon geofences anywhere in the world. The app is capable of loading…

    Jan 2026 · localvideoapp.com · its alternatives →

  18. 18

    This is a service I've built to provide equirectangular cloud maps of the whole Earth, updated every 3 hours, for free. It's based on infrared and visible light data from EUMETSAT, processed to enhance the clouds and try to reduce the impact of surface temperatures on the final image. I built it because it's surprisingly hard to find these kinds of images in a format that's useful to developers and hobbyists. I was building a 3D ISS tracker and wanted to include live clouds but couldn't find anything good, so I got sidetracked, and here we are.

    2023 · github.com · its alternatives →

  19. 19

    Hey HN, I built an automated system that tracks malicious Chrome/Edge extensions daily. The database updates automatically by monitoring chrome-stats for removed extensions and scanning security blogs. Currently tracking 1000+ known malicious extensions with extension IDs, names, and dates. I'm working on detection tools (GUI + CLI) to scan locally installed extensions against this database, but wanted to share the raw data first since maintained threat intelligence lists like this are hard to find. The automation runs 24/7 and pushes updates to GitHub. Free to use for research,…

    Feb 2026 · github.com · its alternatives →

  20. 20

    World's Largest Exploit Database

    2023 · exploit.observer · its alternatives →

  21. 21

    Monitor the internet attack surface of cloud environments.

    2020 · github.com · its alternatives →

  22. 22

    Last week I wrote about building a scanner that writes its own exploits. A cron job runs Claude Code every night, it reads new CVEs, writes proof-of-concept checks, tests them against vulnerable and patched Docker instances, and opens PRs. I review and merge in the morning. That post was about how t

    Feb 2026 · attackerview.com · its alternatives →

  23. 23

    Protect your digital attack surface with Cytrusst ASM Tool

    2025 · cytrusst.com · its alternatives →

  24. 24

    Attack Surface Management

    2022 · sn1persecurity.com · its alternatives →

Also compare

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 →