OpenCorp
User acquisition for builders

Find where your users
already talk

OpenCorp finds the people already looking for what you built — and shows you exactly where to reach them.

Free & open source · No credit cardSee example report ↓
01

Paste a product link

OpenCorp reads your landing page to learn what you do and who it's for.

02

Agents scan the map

Alternatives, Reddit threads, and Hacker News discussions, cross-referenced against your product.

03

Show up where buyers are

Ranked results with a reason attached to each. You show up and talk.

Alternatives

See who else is building something similar — each result with sources.

Reddit

Find threads where people describe the problem you solve.

Hacker News

Surface launches and discussions worth joining.

Example report

What OpenCorp finds for filler.live

One product link in. Alternatives to study, Reddit threads where buyers complain, and Hacker News discussions ready to join — all in one report.

Report · filler.liveReady to act on
Reddit threads
10
01

Tired of retyping the same info on every job application / signup form?

Core pain Filler solves — people describing the exact retype loop across sites.

r/productivity142 pts· 67 cmtsExample
02

Anyone else spending more time filling ATS forms than writing the resume?

High-engagement job-seeker thread. Natural place to show a privacy-first autofill.

r/jobs318 pts· 124 cmtsExample
03

Best form autofill extensions that don't phone home?

Buyers comparing tools on privacy — local-only storage is the differentiator.

r/chrome_extensions89 pts· 41 cmtsExample
04

Why do every SPA form break my browser autofill?

Technical audience hitting React/Vue controlled inputs — Filler's target surface.

r/webdev204 pts· 93 cmtsExample
05

How do you find early users without cold email spam?

Founders looking for warm conversations — same loop OpenCorp is built for.

r/SaaS156 pts· 78 cmtsExample
06

Greenhouse / Lever applications are soul-crushing. Alternatives?

Massive thread on the exact form types Filler maps to real profile answers.

r/cscareerquestions412 pts· 201 cmtsExample
07

Do AI form fillers send my personal data to the cloud?

Privacy-minded users actively rejecting cloud autofill — perfect pitch surface.

r/privacy97 pts· 54 cmtsExample
08

Just shipped my first extension. Where do I talk to real users?

Meta-thread about finding buyers in communities — OpenCorp's own use case.

r/Entrepreneur63 pts· 39 cmtsExample
09

Looking for local-only password + form tools (no account required)

No-account, local-first buyers — aligns with Filler's architecture.

r/selfhosted71 pts· 28 cmtsExample
10

What do you use to stop retyping company history on every form?

Practitioners comparing profile-based vs AI-generated answers.

r/experienceddevs188 pts· 96 cmtsExample
Krishav Raj Singh
Founder
opencorpai

I shipped filler.live and didn't know who my alternatives were — or where people who needed it were already talking. So I built OpenCorp: paste a link, get the map.

Questions, answered

Find your users

Paste your product link — see who's already looking for what you built.

Free & open source · account unlocks full thread lists