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we're currently taking a little break as we're super busy growing posthog right now - feel free to get in touch with us, but we may take a while to reply to your message. backs businesses similar to ours and is operated by the team behind posthog inc (high growth open source yc company)


  • you are open - you share much of your work publicly
  • we are open - we share everything does publicly, and expect feedback on our decisions from anyone on this repo
  • bias for impact - less asking for investor updates, more getting stuck in and helping you when you need it


we focus on businesses similar to our own - our unique experience is our unfair advantage:

  • open source / dev tool / data software start-ups
  • pre-seed or seed round stage
  • technical founders

you'll probably be a good fit if you're currently going through yc, but we will consider any companies that meet these criteria provided you are in a jurisdiction we can invest in (us, uk, cayman islands are ok - ask if it's not on this list)

we do pre-seed and seed stage because we've had success from pre-seed stage through multiple rounds later ourselves, so can help the most here


  • we share our playbook for founding, growing, and operating an open source startup
  • open source group office hours - monthly group meeting with you + the other open source founders we invest in
  • we give you funding to help you make your first hires - $100-500k per startup
  • we give you free enterprise use of our tooling for building better products for 1 year, up to 20m events/month
  • we will aim to intro you to your series a investors - we know everyone who invests in open source


  • is a scout for uncorrelated ventures
  • we have complete decision-making autonomy
  • this setup means we can focus on helping you build better products, not fund admin
  • we will typically invest $100-500k (but we can be flexible)
  • we will ask you for pro rata rights - we want to keep supporting you as you grow


  • you send us an intro and tell us a bit about your product and company - answer whatever you feel comfortable with
  • we schedule a zoom call with you if we're interested in learning more
  • we send you any follow up questions (kept to an absolute minimum - we'll ask for the round paperwork)
  • james and tim - PostHog co-founders - will make a decision in their weekly meeting
    • yes - we ask for your bank details
    • no - we respond with thoughtful feedback
  • once we're done, we'll invite you to a shared slack channel

we're aiming for minimal friction, so please give us feedback


email us at or create a pitch issue

either option is fine, we don't prioritize one over the other

anyone can do this

About backs open source businesses and is operated by the team behind posthog inc