HackerReposA FIELD GUIDE TO OPEN SOURCE
ProSponsor the shelf♧ 0
← Back to top all-time
open-policy-agent
opa
Go2018–2025
open-policy-agent / opa

opa

Open Policy Agent (OPA) is an open source, general-purpose policy engine.

Data & DatabasesSecurity & PrivacyDevOps & Cloud
Explore on GitHubRead Hacker News discussions
12Distinct people
12Mentions
0Explicit recommenders
12.5KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Open Policy Agent (OPA) is an open source, general-purpose policy engine.

GitHub

Where it is used

  • loveholidays — “They use Conftest / OPA as part of their Kubernetes and Terraform pipelines, enabling them to enforce best practices as a platform team (check out …” Source

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 8–Nov 15 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/15/2026, 9:01:12 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year12 dated mentions

Observed mentions: 2018-05-19 19:55:16 UTC to 2025-12-19 08:57:54 UTC.

01232018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 2 mentions; 1 submissions, 1 comments20182019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 2 mentions; 1 submissions, 1 comments20212022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 3 mentions; 1 submissions, 2 comments2023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-01-01 00:00:00 UTC to 2026-01-01 00:00:00 UTC (exclusive): 2 mentions; 1 submissions, 1 comments2025

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC211
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC202
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC101
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC211
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC312
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC000
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC000
20252025-01-01 00:00:00 UTC2026-01-01 00:00:00 UTC211

What Hacker News says

3 sources
ohad1282·Aug 28, 2022Submission

List of most useful Terraform open-source tools

My list of most useful Terraform open-source tools: "Reverse"/creating from existing cloud resources: Terraformer: https://github.com/GoogleCloudPlatform/terraformer Aztfy (Azure only): https://github.com/Azure/aztfy Basic GitOps: Atlantis - https://www.runatlantis.io/ DRY wrapper: Terragrunt: https://github.com/gruntwork-io/terragrunt Policy as code: OPA: https://github.com/open-policy-agent/opa Static code analysis: checkov: https://github.com/bridgecrewio/checkov tfsec: https://github.com/aquasecurity/tfsec terrascan: https://github.com/tenable/terrascan kics: https://github.com/Checkmarx/kics Cost: Infracost (estimation): https://github.com/infracost/infracost Terratag (tagging): https://github.com/env0/terratag (disclaimer, I am CEO at env0) Documentation: terraform-docs: https://github.com/terraform-docs/terraform-docs Do you have o
Read the rest
ther Terraform-related open-source tools that you recommend? Please go ahead and add in the comments!
22 points · Open discussion

MAKE YOURSELF AT HOME

A few shortcuts

/
Search the collection
?
Open this guide
Esc
Close dialogs and navigation

Your saved repositories and interests stay in this browser.