First screen, captured 7 days ago. Open the video.

We've built an open-source feature flag server for 11 years

What HN thinks

A thousand engineers discover that a boolean, given enough time and enterprise customers, becomes a $3B company.

Just build it yourself
Many say feature flags are a DB row, Redis key or env var, and a homegrown system with caching and targeting is easy, especially with LLMs.
The other 90% is the value
Others argue targeting, progressive rollout, audit logs, stale-flag tracking, local evaluation and decoupling deploy from release are where the real work is, and supporting it beats building it.
Pricing and licensing gripes
LaunchDarkly's MAU-based pricing is called absurd, while Unleash's open-core AGPL model draws complaints about free-tier limits and paywalled SSO/RBAC.

Consensus: There is no real consensus on build versus buy, though most agree stale flags piling up forever is the actual hard problem.

Recommended in the comments

ConfigCat ↗ (service): Praised for full features, EU hosting, and reasonable pricing with a useful free tier.
PostHog (product): Request-based pricing and a very generous free tier.
OpenFeature ↗ (library): Lets you avoid vendor lock-in so switching providers is a config change.
VictoriaMetrics (tool): Cheap and low-maintenance to self-host at hundreds of thousands of series.
Feature Toggles (Martin Fowler article) ↗ (other): Offers the clearer taxonomy of flag types that a commenter asked for.

Summarised by Claude from the comment thread 7 days ago.

Points: 137
Comments: 97
Best rank: #4
Posted: 2026-11-06 by ivarconr
Category: DevOps & infra

feature-flags unleash feature-toggles continuous-delivery typescript self-hosted

All captures:

Full page

Captured 7 days ago. Click for the whole screenshot.

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