Yes. NFX runs it as a free resource; sign-in is required to see warm-intro paths.

Do I still need Signal if I use Startup Fundraising?

Signal is a fine reference for a quick LinkedIn-graph lookup. Most founders on a workflow platform stop opening it once matched discovery is in place.

Startup Fundraising vs. Signal (NFX): Investor Discovery

Signal is NFX's free investor search directory. Startup Fundraising is a full workflow platform. Here's how they compare on discovery, matching, and outreach.

Startup Fundraising vs. Signal by NFX

Signal by NFX is a free investor-search directory maintained by the venture firm NFX. It surfaces investor profiles, check size ranges, and warm-intro paths through the searcher's LinkedIn network.

What each is built for

Signal is a lookup tool: you search a stage/sector, browse investors, and get a warm-intro suggestion via mutual LinkedIn connections. There's no CRM, no deck feedback, no outreach draft.

Startup Fundraising matches investors to your specific company signals (stage, sector, geo, thesis fit), scores your deck against investor rubrics, drafts outreach anchored to a cited resonance signal from that investor, and tracks the full pipeline.

Where they overlap

Both surface investor profiles you can research.
Both help you think about warm intros — Signal through LinkedIn, Startup Fundraising through an opt-in warm-path graph.

Where they don't overlap

Signal doesn't score your deck or draft outreach.
Signal doesn't track pipeline or manage a raise.
Startup Fundraising doesn't rely on your LinkedIn graph as the primary intro mechanism.

Frequently asked questions

Is Signal free?: Yes. NFX runs it as a free resource; sign-in is required to see warm-intro paths.
Do I still need Signal if I use Startup Fundraising?: Signal is a fine reference for a quick LinkedIn-graph lookup. Most founders on a workflow platform stop opening it once matched discovery is in place.

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•By Alejandro Cremades