PostHog
🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack. (by PostHog)
Sentry
Developer-first error tracking and performance monitoring (by getsentry)
| PostHog | Sentry | |
|---|---|---|
| 153 | 313 | |
| 34,888 | 44,052 | |
| 4.4% | 0.8% | |
| 10.0 | 10.0 | |
| 1 day ago | 2 days ago | |
| Python | Python | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
PostHog
Posts with mentions or reviews of PostHog.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-05-13.
- PostHog Custom Surveys: Beyond the Default UI
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Why We Open-Sourced Our Audit Logging Instead of Using Splunk
This is the same model that PostHog, Supabase, and dozens of other developer tools use. Open core, with a managed offering on top.
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What Is Web3 User Analytics? A Complete Guide to Driving Growth
Offchain: Website traffic, in-app behaviour, marketing channels, growth campaigns (Google Analytics or PostHog).
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Apogee Watcher vs PostHog Web Vitals: Synthetic PageSpeed Monitoring and Product Analytics Compared
Topic PostHog (Web Vitals) Apogee Watcher Primary job Product analytics OS; Web Vitals are real-user metrics from the browser Synthetic PageSpeed monitoring + CrUX in results Instrumentation Requires posthog-js on the site No script on monitored sites Metrics FCP, LCP, INP, CLS from real sessions ($web\_vitals) when capture runs Lighthouse lab + CrUX (where available) via PSI Cookieless analytics With always (and cookieless paths without session IDs), $web\_vitals does not populate—see Cookieless mode above No snippet; tests do not use PostHog session state Best for “How do my users experience my app?” “How are these URLs doing on a schedule—and across many clients?” Multi-site agency Analytics projects and teams—not Watcher’s org/site/page model Multi-tenant orgs, roles, discovery, budgets Budgets & email alerts Insight-based—build trends from $web\_vitals, attach [alerts](https://posthog.com/docs/alerts) with thresholds, frequency, destinations; maintain as analytics evolves Monitoring-native—performance budgets and email alerts tied to scheduled tests; no separate insight to curate first Extras Flags, replay, experiments, cohorts, warehouse pipelines PDF-style reporting direction, Leads prospecting workflows Cost shape Event-based (vitals count toward event quotas) Plan-based subscription; PSI quota bundled—verify [pricing](https://apogeewatcher.com/pricing)
- Why You Probably Don't Need a Full-Time CTO
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Top Web3 Product Analytics Tools for Crypto Teams
PostHog provides an open-source analytics approach, giving teams flexibility to customize dashboards, session recordings, and heatmaps.
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Dapp Analytics Explained: Key Metrics, Benefits, and Strategies for Web3 Growth
Originally built for Web2, PostHog can be extended with Web3 event tracking through custom data pipelines. Key features of Posthog are funnels, session recordings, feature flags, open-source & self-hosted
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How we give every user SQL access to a shared ClickHouse cluster
A big thanks to PostHog who pioneered this approach with HogQL, a SQL-like interface on top of ClickHouse. TRQL started as a TypeScript conversion of their Python implementation but evolved significantly during development to handle our specific use cases.
- A PR with multiple bots talking to each other
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Introducing Quackback: Open-Source Feedback Platform with a Built-in MCP Server
Plausible brought open source to web analytics. Cal.com did it for scheduling. Formbricks did it for surveys. PostHog did it for product analytics. Quackback does it for feedback collection.
Sentry
Posts with mentions or reviews of Sentry.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-04-28.
- Deep Dive: How Sentry 8.0 Captures Stack Traces for Rust 1.92 and React 19 Apps
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10 Questions Every Non-Technical Founder Should Ask Before Their First Web App Build
Is Sentry (or equivalent error tracking) wired up from day one?
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Best Cloud and Developer Services for Building Modern Web Apps in 2026
Sentry captures every error in your application with full stack traces, breadcrumbs (the sequence of events leading to the error), and user context. It works across every major platform: JavaScript, Python, Go, Ruby, Java, .NET, iOS, Android, and more.
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7 Game-Changing Free Error Tracking Tools That Will Save Your Sanity in 2026
Sentry has long been considered the gold standard of error tracking, and their free tier in 2026 is remarkably generous. With 5,000 errors per month and 1 GB of storage, it's perfect for small to medium projects and even some larger applications with good error hygiene.
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How to Debug Faster with AI (Step-by-Step Guide)
For these cases, use AI as one tool alongside traditional debugging: breakpoints, profilers, log analysis tools like Sentry or Datadog, and good old rubber duck debugging. When bugs escalate into production outages, having an AI incident management workflow in place helps your team respond systematically instead of scrambling.
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France's homegrown open source online office suite
Sentry is indeed, and is open source and self-hostable: https://github.com/getsentry/sentry
It’s a pretty large app (I think >1M lines of Python). I ran a self hosted version for several years and found it performant and pretty easy to keep running and updated.
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Developer Tools I’m Seeing Teams Actually Rely On (Not Just Try Once)
Sentry – error tracking with real context
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8 Simple Tips For Testing Payment Gateway Integrations
Error monitoring is configured (Sentry, Rollbar, or similar).
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Best AI Coding Tools of 2025: What Tools Should You Use?
Tembo integrates with observability tools like Sentry, Datadog, and New Relic to detect performance regressions, query slowdowns, and recurring exceptions. When it finds issues, it analyzes recent commits, traces the root cause, and opens pull requests with fixes or optimizations — often before anyone notices the problem.
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conway-errors: Bringing Order to Errors as Part of Your Projects Architecture
This way, the primitive allows you to choose the layer in your application for throwing and catching. One of our key ideas was to define integration with Sentry logging "at the top":
What are some alternatives?
When comparing PostHog and Sentry you can also consider the following projects:
Rudderstack - Privacy and Security focused Segment-alternative, in Golang and React
Zabbix - Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.
Snowplow - The leader in Customer Data Infrastructure
jaeger - CNCF Jaeger, a Distributed Tracing Platform
Plausible Analytics - Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.
Errbit - The open source error catcher that's Airbrake API compliant :ukraine: