Open Source Investors: Angels and VC Firms

RaiseHunt currently lists 524 Open Source investors.

Both. 286 are angel investors putting in their own money, and 238 are people making investment decisions at 88 firms.

The largest concentrations are in San Francisco, New York and Paris.

Most list Seed and Series A among the rounds they take part in.

Every profile shows whether an email address is on file. The addresses themselves, along with AI matching and outreach, are in the RaiseHunt app.

Yes. The directory and every profile page are free to read. Matching your own startup against them requires an account.

No. A focus area is a signal of interest, not a restriction. Investors usually list several, and the useful question is whether their existing portfolio looks like the kind of company you are building.

An angel invests their own money and can decide alone, which usually makes the process shorter. A fund invests money it raised from other people, so it answers to those backers and normally runs a longer diligence process before it commits. Founders often raise from angels first and bring in a fund once there is more to show.

Far more than feels comfortable. Response rates on cold outreach are low even when the fit is good, so a list of a handful of perfect names tends to stall. Build a long list, sort it by how well each one matches what you are building, and work down it in batches rather than sending everything at once.

A short deck, a one-paragraph description of what you do and who it is for, and a clear number for how much you are raising. Investors read the first two lines before they decide whether to open the deck, so those lines matter more than the rest of the document.

It helps, mostly because it moves your email out of a crowded inbox. It is not a requirement. A cold message that shows you understand what someone has already backed, and why your company fits that pattern, gets read more often than a vague introduction from a distant contact.

Look at what they have already funded rather than what their profile says they like. Stage matters most, then sector, then geography. An investor who has never funded anything at your stage is unlikely to start with you, however well the sector lines up.