flow VS PostHog

Compare flow vs PostHog and see what are their differences.

flow

๐ŸŒŠ Continuously synchronize the systems where your data lives, to the systems where you _want_ it to live, with Estuary Flow. ๐ŸŒŠ (by estuary)

PostHog

๐Ÿฆ” PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host. (by PostHog)
InfluxDB - Power Real-Time Data Analytics at Scale
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flow PostHog
10 99
506 17,469
5.3% 5.5%
9.7 10.0
5 days ago 5 days ago
C++ 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.

flow

Posts with mentions or reviews of flow. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-06-22.
  • Unexpected downsides of UUID keys in PostgreSQL
    6 projects | news.ycombinator.com | 22 Jun 2023
    We use a macaddr8 that embeds a wall-clock timestamp (so they're ascending order, achieving data locality) with some additional randomness. It's worked really well for us:

    https://github.com/estuary/flow/blob/master/supabase/migrati...

    we use macaddr8 instead of bigint, because it has a postgres serialization / JSON encoding which lossless-ly round-trips with browsers and it works well with PostgREST. The same CANNOT be said for bigint, which is a huge footgun.

  • Need Advice on Real-Time Data Synchronization from PostgreSQL to BigQuery: Airbyte vs. CloudQuery?
    1 project | /r/dataengineering | 16 May 2023
    I can't claim to know much about CloudQuery, but we are an open-source platform with CDC connectors from PostgreSQL and materializations to BQ and elsewhere. We also have fully-managed connectors if you don't want to deal with hosting.
  • DAG orchestration for streaming data?
    3 projects | /r/dataengineering | 10 May 2023
    This is essentially how we model things in Flow (disclosure: I work there). We call them Derivations, which are data products that are built (derived) from other data products. Each data product (we call them Collections) is backed by a set of append-only logs, so they can be read by many different consumers at different times. IDK if our product can work for you since we don't (yet) support stuff like MQTT, but there's a pretty generous free tier if you'd be able to push the data over HTTP. Either way, I just think it's cool that others have independently arrived at similar ideas about how to model streaming tasks!
  • quickly replace a small airbyte instance in my stack
    1 project | /r/dataengineering | 19 Apr 2023
  • Advise on incremental process of Kafka data on Snowflake
    1 project | /r/dataengineering | 15 Apr 2023
    We Estuary Git Docs have an open-source connector for Kafka -> Snowflake that could perform the tasks of a) flattening the data and b) removing duplicates via exactly once end to end delivery
  • Ask HN: Who is hiring? (September 2022)
    20 projects | news.ycombinator.com | 1 Sep 2022
    Estuary Technology | Backend Engineer | Developer Evangelist | Rust, Go | REMOTE OR HYBRID | UTC-7 to UTC+2

    Regional offices in NYC & Columbus, OH

    Estuary (https://www.estuary.dev/) is the first real-time Data Operations platform for future-proof pipelines, including both historical and real-time data set up in minutes.

    Our team is rapidly growing, VC funded and led by two successful, repeat founders.

    We primarily develop in Rust and Go and are heavily built on top of gazette which is an internally developed streaming engine.

    Flow: https://github.com/estuary/flow

    Gazette: https://gazette.readthedocs.io/en/latest/

    Backend Engineer: https://www.estuary.dev/about/#backend

    Developer Evangelist: https://www.estuary.dev/about/#developerevangelist

    ^This is an exciting opportunity to make direct impact and shape user perception of a new product that brings a fresh experience to working with real-time data.

    As this is a unique role, we are open to a variety of personas (data engineers, backend developers, Solutions Engineers and of course DevRel professionals).

    Estuary offers full health benefits, competitive salary, unlimited PTO, 401K, equity, and a culture that values trust, transparency, and a flexible work environment to optimize your work/life balance.

    To apply, send your resume and any questions to [email protected]

  • Who's Hiring? - August 2022
    1 project | /r/golang | 4 Aug 2022
    Flow Gazette We are looking for a backend engineer who is early in their career (around 1-3 years of industry experience) to join our team.
  • Ask HN: Who is hiring? (July 2022)
    13 projects | news.ycombinator.com | 1 Jul 2022
    Estuary Technology | Junior Backend Engineer | Rust, Go | REMOTE OR HYBRID | Regional offices in NYC & Columbus, OH

    Estuary (https://www.estuary.dev/) is the first real-time Data Operations platform for future-poof pipelines, including both historical and real-time data set up in minutes.

    Our team is rapidly growing, VC funded and led by two successful, repeat founders.

    We primarily develop in rust and go and are heavily built on top of gazette which is an internally developed streaming engine.

    Flow: https://github.com/estuary/flow

    Gazette: https://gazette.readthedocs.io/en/latest/

    We are looking for a junior backend engineer with 2-3 years of industry experience.

    For engineers who have an unquenched curiosity and drive to solve complex distributed systems problems, this is an opportunity to advance your career alongside a team of subject matter experts.

    We are focused on expanding our catalog of open-source data connectors and building out our managed service platform.

    ESTIMATED COMPENSATION: $110,000 - $150,000.

    Estuary offers full health benefits, competitive salary, unlimited PTO, 401K, equity, and a culture that values trust, transparency, and a flexible work environment to optimize your work/life balance.

    Email your resume to [email protected] to apply!

  • On 2022-04-05, the default branch will be renamed from โ€œmasterโ€ to โ€œmainโ€
    4 projects | news.ycombinator.com | 22 Mar 2022
    It does seem like a weird bug that this would cause errors https://github.com/estuary/flow/runs/5642694619?check_suite_... seems like it should be some kind of warning instead of an error?
  • Ask HN: Is there a way to subscribe to an SQL query for changes?
    17 projects | news.ycombinator.com | 22 Apr 2021
    where you'd subscribe for live updates.

    [1]: https://github.com/estuary/flow

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 2024-04-12.
  • How Telemetry Saved my Open-Source Platform
    3 projects | dev.to | 12 Apr 2024
    It would be a shame not to mention PostHog as the telemetry provider we are using, since it turned out to be extremely useful. Because it is hard to find people who will talk with you about your product, gathering statistics gave us a much greater insight into our users.
  • Free tools for developers to build their apps
    4 projects | dev.to | 5 Jan 2024
    6- PostHog
  • Using Analytics on My Website
    7 projects | news.ycombinator.com | 15 Dec 2023
    Hi HN, PostHog employee here. I'm working on our Web Analytics product, which is currently in beta. It's fun to see us mentioned here :)

    I should mention that we have a ton of SDKs (see https://posthog.com/docs/libraries) for back end frameworks and languages, so if you wanted to use PostHog without any client-side JS you could send pageviews and other events manually, but for the vast majority of people it makes more sense to use our JS snippet.

    Hijacking this comment to share the roadmap for web analytics https://github.com/PostHog/posthog/issues/18547. It's very much in the launch-early-and-be-embarassed phase, but I would love to hear any feedback or suggestions that people have, particularly if you're already a PostHog user.

  • Show HN: Flywheel
    1 project | news.ycombinator.com | 14 Dec 2023
    how's this different than https://posthog.com/ ?
  • Open Source alternatives to tools you Pay for
    21 projects | dev.to | 8 Dec 2023
    PostHog - Open Source Alternative to Mixpanel
  • Show HN: Monitor your webapp with minimal setup
    7 projects | news.ycombinator.com | 20 Nov 2023
  • Ask HN: Where to Store Logs?
    3 projects | news.ycombinator.com | 21 Oct 2023
    Don't insert the logs/events/analytics into your Application DB. Usually, you send those to specialist datastores (OLAP etc) that process such high volume of data. You can use something like clickhouse [0] for example or use 3rd party SAAS solutions like posthog [1] etc that are built on top of clickhouse

    [0] https://clickhouse.com

    [1] https://posthog.com

  • Ask HN: What would you use to build a mostly CRUD back end today?
    5 projects | news.ycombinator.com | 16 Sep 2023
    I may use Flask-Admin initially to offload the "CRUD" operations to have an initial prototype fast but then drop it ASAP because I don't want to write a "flask-admin application" to fight against later on. If the application is mainly "CRUD", then Flask-Admin is suitable.

    Now...

    Would you do a breakdown/list of all the jobs you've done by sector/vertical and by function/role and by application functionality?

    - [0]: https://flask.palletsprojects.com

    - [1]: https://flask-admin.readthedocs.io/en/latest

    - [2]: https://flask.palletsprojects.com/en/2.3.x/patterns/celery

    - [3]: https://sentry.io

    - [4]: https://posthog.com

    - [5]: https://www.docker.com

  • Ask HN: Who is hiring? (July 2023)
    16 projects | news.ycombinator.com | 3 Jul 2023
    PostHog | Remote (US/Europe timezones) | Full stack engineer, technical ex-founder, tech lead | https://posthog.com

    PostHog is the only open-source Product OS, combining product analytics, session recordings, feature flags, cdp and a data warehouse in one.

    We have a culture of written async communication (see our handbook [0]), lots of individual responsibility and an opportunity to make a huge impact. Being fully remote means we're able to create a team that is truly diverse. We're based all over the world, and the team includes former YC founders, CTOs turned developers and recent grads.

    To apply see https://posthog.com/careers or email us [email protected]

    [0] https://posthog.com/handbook/

  • planetsin.space -- a PI management and reminder tool
    1 project | /r/Eve | 3 Jul 2023
    There seems to be posthog.com analytics and AB or feature flag functionality that is blocked by adblockers. Probably that?

What are some alternatives?

When comparing flow and PostHog you can also consider the following projects:

realtime - Broadcast, Presence, and Postgres Changes via WebSockets

Snowplow - The enterprise-grade behavioral data engine (web, mobile, server-side, webhooks), running cloud-natively on AWS and GCP

timely-dataflow - A modular implementation of timely dataflow in Rust

Matomo - Empowering People Ethically with the leading open source alternative to Google Analytics that gives you full control over your data. Matomo lets you easily collect data from websites & apps and visualise this data and extract insights. Privacy is built-in. Liberating Web Analytics. Star us on Github? +1. And we love Pull Requests!

rethinkdb_rebirth - The open-source database for the realtime web.

Sentry - Developer-first error tracking and performance monitoring

pldb - PLDB: a Programming Language Database. A computable encyclopedia about programming languages.

Plausible Analytics - Simple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.

Hasura - Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.

Grafana - The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

github-actions - A GitHub Action for installing and configuring the gcloud CLI.

openreplay - Session replay and analytics tool you can self-host. Ideal for reproducing issues, co-browsing with users and optimizing your product.