
Mixpanel
Plausible.io
Amplitude
Google Analytics
Hotjar
Fathom Analytics
LaunchDarkly
An open source suite of product and data tools including product analytics, feature flags, session replay, A/B testing, surveys, and more.
Keycloak
authentik
ZITADEL
Authelia
Hanko
AWS Identity and Access Management
Auth0
Single Sign-On for Your Self-Hosted Universe ๐โโฌ๐

Which is more popular?
Based on our record, PostHog seems to be more popular. It has been mentioned 74 times since March 2021.
Website, pricing, platforms and company facts side by side.
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VA
VoidAuth
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|---|---|---|
| Website | posthog.com | voidauth.app |
| Pricing | โ | |
| Company | Startup from the United States ยท 20 - 49 employees ยท 2020 | โ |
| Listed in |
In their own words, as submitted to SaaSHub.

For developers just starting out, PostHog is a free way to understand how your product is being used, without having to send any data to 3rd parties. For enterprise customers, one data security becomes a key concern, or B2C businesses where using a SaaS solution is unaffordable, it's typical to...
No description of VoidAuth yet.
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
PostHog is particularly well-suited for product teams, developers, and startups that require deep insights into user interactions and need the flexibility of a self-hosted solution. It is also a good fit for organizations that prioritize data privacy and want to maintain full control over their data.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
PostHog Walk Through
More videos
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How often each product is chosen within a category, 0โ100% relative to the other.

Share your experience with using PostHog and VoidAuth. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

According to BuiltWith, as of February 2024, PostHog is used on 5,169 (0.52%) of the top 1 million websites. Hotjar is used by 72,048 of the top 1 million websites. Typical PostHog users are engineers and product...
BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is...
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Recommendations tracked on public social media and blogs since March 2021.

That setup is now one command. It creates your PostHog org and project, installs the SDK, adds the config plugin, and writes your keys into .env.local and your EAS environment variables for Production, Preview, and Development. You pick... - Source: dev.to / 11 days ago
What it deliberately does not have: accounts, cloud sync, a marketplace, Or any paywall. Telemetry is opt-in, off by default, anonymous, and collects Zero content โ the endpoint is configurable if you'd rather self-host PostHog. It's... - Source: dev.to / about 2 months ago
Opus, zero nudges. Realised on its own that an abandoned signup never fires identify, triangulated the anonymous session from time, platform and registration events, decoded the PostHog replay blobs, confirmed the duplicate account in... - Source: dev.to / 2 months ago
Tracking VoidAuth since Jan 2026.
When comparing PostHog and VoidAuth, you can also consider the following products.

Mixpanel is the most advanced analytics platform in the world for mobile & web.
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Open Source Identity and Access Management for modern Applications and Services.
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Plausible Analytics is a simple, open-source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics. Made and hosted in the EU, powered by European-owned cloud infrastructure ๐ช๐บ
Compare Plausible.io to PostHog or VoidAuth:

authentik is an open-source identity provider focused on flexibility and versatility.
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Chart Your Path to Growth with Digital Analytics
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