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Free Anomali alternatives: 3 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

3 of the 5 Anomali alternatives we track can be used for free (free, open source, or with a free plan). GreyNoise, MISP and Feedly rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1GreyNoise logoGreyNoiseFree plan + paid—NoWeb4 of 461.8
2MISP logoMISPOpen source—YesSelf-hosted, Linux5 of 559.4
3Feedly logoFeedlyFree plan + paid—NoWeb, iOS, Android +14 of 458.5
  1. GreyNoise logo

    1. GreyNoiseTop pick

    Best for: SOC teams and security researchers who want to filter scanner noise and spot active exploitation

    Free plan + paidWeb

    61.8

    score / 100

    Why switch from Anomali

    Focused IP intelligence that filters out internet background scanning at a lower cost.

    Pros

    • Separates harmless scanners from real attack traffic
    • Live data on which vulnerabilities are being exploited
    • Free community tier for basic IP lookups
    • Paid tiers include SIEM, SOAR and firewall integrations

    Cons

    • Paid pricing is not published
    • Free tier has a low weekly search limit
    • Only sees traffic that reaches its sensors, not full exposure data
    Visit GreyNoise Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is GreyNoise a good Anomali alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Community tier for IP lookups
    Checked Nov 8, 2026greynoise.io(opens source in a new tab)
    Pricing structure
    Platform tier plus modules
    Checked Nov 8, 2026greynoise.io(opens source in a new tab)
    Integrations
    SIEM, SOAR, TIP, firewall
    Checked Nov 8, 2026greynoise.io(opens source in a new tab)
    Founder
    Andrew Morris
    Checked Nov 8, 2026greynoise.io(opens source in a new tab)
  2. MISP logo

    2. MISP

    Best for: CERTs and SOC teams that want a free, self-hosted way to store and share threat indicators

    Open sourceSelf-hostableSelf-hosted, Linux

    59.4

    score / 100

    Why switch from Anomali

    Open-source alternative to a threat intel platform you can self-host for indicator sharing and correlation.

    Pros

    • Free and open source under AGPL-3.0
    • Instance-to-instance sync suits trusted sharing communities
    • Automatic correlation across events and attributes
    • Exports to STIX, OpenIOC and IDS or SIEM formats

    Cons

    • Self-hosted only; you run and secure the server yourself
    • Interface and data model take time to learn for non-specialists
    • No vendor-curated commercial feeds bundled in like paid platforms
    Visit MISP Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is MISP a good Anomali alternative?

    Verified facts

    5 of 5 verified
    License
    AGPL-3.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Price
    Free to use
    Checked Nov 8, 2026misp-project.org(opens source in a new tab)
    Export formats
    STIX, OpenIOC, IDS/SIEM
    Checked Nov 8, 2026misp-project.org(opens source in a new tab)
    Recommended OS
    Ubuntu 24.04
    Checked Nov 8, 2026misp-project.org(opens source in a new tab)
    Docker
    Yes, production-ready images
    Checked Nov 8, 2026misp-project.org(opens source in a new tab)
  3. Feedly logo

    3. Feedly

    Best for: People who want a widely supported hosted reader that many third-party apps sync with

    Free plan + paidWeb, iOS, Android, Browser extension

    58.5

    score / 100

    Why switch from Anomali

    AI-curated open-source threat feeds, a cheaper way to follow vulnerabilities and attacker activity.

    Pros

    • Free account to start, no credit card
    • Newsletters and Google News feeds alongside RSS
    • Boards with notes and highlights for saving articles
    • Supported as a sync backend by many apps

    Cons

    • Free plan is limited and many features need Pro
    • Company focus has moved to business intelligence products
    • Pricing pages are hard to find from the main site
    Visit Feedly Details and reviews
    How this score is calculated
    Editorial fit ×0.334
    Reviews ×0.363
    Clicks (90 days) ×0.1563
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Feedly a good Anomali alternative?

    Verified facts

    4 of 4 verified
    Free account
    Yes, no credit card required
    Checked Nov 8, 2026feedly.com(opens source in a new tab)
    Newsletters
    Yes
    Checked Nov 8, 2026feedly.com(opens source in a new tab)
    Google News feeds
    Yes
    Checked Nov 8, 2026feedly.com(opens source in a new tab)
    Mobile apps
    iOS and Android
    Checked Nov 8, 2026feedly.com(opens source in a new tab)