Can I open-source Malwarebytes?

KINDA · partial or early alternatives
price $5/moyou'd save $60/yrcategory 🔐 securityreplaced by 0 people

Kinda. Vaultwarden and Passbolt cover the core of Malwarebytes, but they're early or partial — expect gaps like audited cryptography and incident response and global network or redundant storage infrastructure.

why people still pay

Malwarebytes: Security subscriptions buy professional operations, audits, response capacity, redundancy, and accountability when something goes wrong.

what you lose

xaudited cryptography and incident response

xglobal network or redundant storage infrastructure

xidentity, credit, or broker-removal operations

xrecovery guarantees and regulated trust

the open-source alternatives

These projects already replace it, free.

VVaultwardenLightweight Bitwarden-compatible password server — the official apps work with your own backend.45kaug 2026open source↗KKeycloakBattle-tested identity and access management server with SSO, OIDC/SAML, federation, and admin console28kaug 2026open source↗PPassboltTeam password manager built for collaboration with granular sharing and audit logs.5.0kaug 2026open source↗

What each one is, in full: Vaultwarden · Keycloak · Passbolt

no votes, no pay-to-list · just what's real

share on X ↗"I just replaced Malwarebytes ($5/mo) with open source"
the numbers

Malwarebytes pricing

planmonthlyannual (per mo)what you get
standard, individual—$53 devices; antivirus, anti-malware, malicious-site and scam protection
plus, individual—$6.673 devices; Standard plus high-speed VPN
ultimate, individual—$11.671 adult and 3 devices; security suite plus identity-protection features
standard, familycustom—Family device coverage; exact device count and USD total were not exposed reliably in the crawl
plus, familycustom—Family device coverage plus VPN; exact USD total was not exposed reliably
ultimate, familycustom—Family security and identity coverage; exact adult/device limits and USD total were not exposed reliably

free tierno ongoing subscription free tier; free on-demand scanners, cleaners and browser tools are separate

billingannual billing; advertised purchase prices may be introductory; 60-day money-back guarantee

hidden costsDevice count changes the price, current-customer renewal offers differ from new-customer pricing, identity/data-removal features are region dependent, and introductory purchase prices can renew at a higher list rate

verified 2026-08-14 · source ↗

questions
Can I open-source Malwarebytes?

Kinda. Vaultwarden covers the core of Malwarebytes, but there are real gaps: audited cryptography and incident response, global network or redundant storage infrastructure. Read the honest list above before committing.

How much does Malwarebytes cost?

Malwarebytes costs about $5/month (Standard, checked 2026-07-31), which is $60 per year.

What do I lose by replacing Malwarebytes?

Honestly: audited cryptography and incident response; global network or redundant storage infrastructure; identity, credit, or broker-removal operations; recovery guarantees and regulated trust. If any of those are load-bearing for you, keep paying.

Is there an open-source alternative to Malwarebytes?

Yes: Vaultwarden (Lightweight Bitwarden-compatible password server — the official apps work with your own backend.) Keycloak (Battle-tested identity and access management server with SSO, OIDC/SAML, federation, and admin console) Passbolt (Team password manager built for collaboration with granular sharing and audit logs.)