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Is lgtm still free for open source? No.

lgtm’s free-for-open-source offer has been discontinued (last checked 2026-07-06). The record below is kept for reference.
FOS-0109 DISCONTINUED confirmed gone 2026-07-06
In the graveyard. Kept on the record so you don’t waste an application, the dedicated program is gone.

lgtm

LGTM.com automated code analysis
What it was
Formerly offered free continuous security/code analysis (CodeQL-based) for open source projects. LGTM.com was shut down in December 2022 after GitHub acquired Semmle; its functionality moved into GitHub code scanning with CodeQL, which remains free for public repositories on GitHub.
How to apply
No longer possible; use GitHub code scanning (CodeQL) on public GitHub repositories instead.
Provenance
Checked 2026-07-06: program page gone or offer withdrawn. Retained for the record.
no application path, alternatives below

Still-active alternatives

FOS-0001 1Passwordsecurity Free 1Password Teams account for the project team, on all platforms (Mac, Windows, iOS, Android, Linux,… ACTIVE verified 2026-09-07
What you get
Free 1Password Teams account for the project team, on all platforms (Mac, Windows, iOS, Android, Linux, browser), including developer features such as SSH key management, Git commit signing, CLI authentication with biometrics, and secrets management integration.
Applies to
the project , not individual maintainers
Requirements
project ≥ 30 daysactively developednon-commercial / non-profit
run a repo match above to see which you meet →
How to apply
Create a 1Password Teams account (14-day trial), invite at least one other Owner, then apply by opening an issue in the 1Password/1password-teams-open-source GitHub repo.
Provenance
Confirmed against github.com/1Password/1password-teams-open-source on 2026-09-07, matched anchor “1Password team account for free”.
FOS-0002 Aikido Securitysecurity Free-forever AI code reviews and security checks for open source projects: AI code reviews with… STALE re-check due 2026-08-10
What you get
Free-forever AI code reviews and security checks for open source projects: AI code reviews with automated fix suggestions, PR security reviews, open source dependency scanning, IDE plugins, integrations (Jira, Linear, Drata, Vanta), reports and analytics, AI/bot protection, and attack surface monitoring.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Sign in, create a workspace, then email hovhannes@aikido.dev for eligibility verification.
Provenance
Confirmed against aikido.dev/code-quality/free-open-source-ai-code-review2 on 2026-08-10, matched anchor “Free Open Source AI Code Reviews”.
FOS-0031 Certumsecurity NOT free, a heavily discounted code signing certificate product for open source developers, priced… ACTIVE verified 2026-09-07
What you get
NOT free, a heavily discounted code signing certificate product for open source developers, priced "from EUR 69.00 gross" (far below standard code signing certificates). The set bundles the certificate with a cryptoCertum 3.7 IDPrime 940C mini cryptographic card and a card reader (ACS ACR39T-A1 or Omnikey 6121, depending on availability).
Applies to
an individual maintainer
Requirements
no stated requirements
How to apply
Purchase the set from the Certum shop page and complete Certum's identity verification process (documents per their support pages).
Provenance
Confirmed against shop.certum.eu/open-source-code-signing.html on 2026-09-07, matched anchor “Open Source Code Signing”.
FOS-0037 CloudflareCDNsecurityhosting Recurring annual credits providing Cloudflare products free, tailored to project size:… ACTIVE verified 2026-09-07
What you get
Recurring annual credits providing Cloudflare products free, tailored to project size: Pro/Business/Enterprise plan upgrades (Rules, Polish image optimization, WAF, Security Analytics, Page Shield), increased Workers and Pages request limits, expanded R2 object storage, advanced Zero Trust (Remote Browser Isolation, unlimited users), and a dedicated Discord channel.
Applies to
the project , not individual maintainers
Requirements
OSI-approved licensenon-commercial / non-profit
run a repo match above to see which you meet →
How to apply
Apply via the Project Alexandria application form on the landing page.
Provenance
Confirmed against cloudflare.com/lp/project-alexandria on 2026-09-07.
FOS-0042 CodeAnt AIAI and MLsecurity CodeAnt AI's AI code review, SAST security scanning, and code quality platform at 100% off (free) for… ACTIVE verified 2026-09-07
What you get
CodeAnt AI's AI code review, SAST security scanning, and code quality platform at 100% off (free) for open source projects.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Email amartya@codeant.ai with subject "Open Source Work" (link on the pricing page).
Provenance
Confirmed against codeant.ai/pricing on 2026-09-07, matched anchor “100% OFF FOR OPEN SOURCE”.
FOS-0055 Coverity Scansecuritytesting Free static analysis for open source projects in Java, C/C++, C#, JavaScript, Ruby, or Python,… ACTIVE verified 2026-09-07
What you get
Free static analysis for open source projects in Java, C/C++, C#, JavaScript, Ruby, or Python, analyzing every line of code and potential execution path, with defect root-cause explanations, GitHub/Travis CI integration, and a web interface for triaging defects. Build submission frequency limits vary by project size.
Applies to
the project , not individual maintainers
Requirements
public repository
run a repo match above to see which you meet →
How to apply
Sign up and register your project on scan.coverity.com, upload your build, then view and fix defects in the web interface.
Provenance
Confirmed against scan.coverity.com on 2026-09-07, matched anchor “open source project for free”.
FOS-0060 Datadogmonitoringsecurity Free Datadog account for the project's own infrastructure: cloud observability and security platform… ACTIVE verified 2026-09-07
What you get
Free Datadog account for the project's own infrastructure: cloud observability and security platform including infrastructure and APM monitoring, 1,000+ integrations, code analysis and profiling, and database/user activity monitoring. Host counts and telemetry event volumes may be limited.
Applies to
the project , not individual maintainers
Requirements
OSI-approved licenseproject ≥ 12 monthsnon-commercial / non-profit
run a repo match above to see which you meet →
How to apply
Application form on the partner program page; Datadog evaluates submissions case by case.
Provenance
Confirmed against datadoghq.com/partner/open-source on 2026-09-07, matched anchor “open source license”.
FOS-0062 DeepSourcetestingsecurity Free plan for open source: unlimited public repositories, unlimited team members, 1,000 pull requests… ACTIVE verified 2026-09-07
What you get
Free plan for open source: unlimited public repositories, unlimited team members, 1,000 pull requests reviewed per month, static analysis, SAST, IaC scanning, code coverage, secrets detection, and 1,000 automated code formatting runs per month (AI Review/Autofix are pay-as-you-go).
Applies to
the project , not individual maintainers
Requirements
public repository
run a repo match above to see which you meet →
How to apply
Sign up on deepsource.com and connect public repositories; no separate application.
Provenance
Confirmed against deepsource.com/pricing on 2026-09-07.

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Know of a new lgtm offer for open source? Update it on GitHub.