OpenCorp — Find Where Your Users Already Talk

Your next users<br>are already talking.<br>We find them.<br>Paste your product link. OpenCorp maps your alternatives, ranks the Reddit threads where buyers describe the problem you solve, and queues the Hacker News discussions ready to join — each with a reason.

Find my usersFree & open source·Account unlocks full thread lists

Report · filler.liveLive scan●<br>Alternatives8Reddit10Hacker News12<br>Reddit threads<br>10<br>01Tired of retyping the same info on every job application / signup form?<br>Core pain Filler solves — people describing the exact retype loop across sites.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/productivity142 pts· 67 cmtsExample

02Anyone else spending more time filling ATS forms than writing the resume?<br>High-engagement job-seeker thread. Natural place to show a privacy-first autofill.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/jobs318 pts· 124 cmtsExample

03Best form autofill extensions that don't phone home?<br>Buyers comparing tools on privacy — local-only storage is the differentiator.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/chrome_extensions89 pts· 41 cmtsExample

04Why do every SPA form break my browser autofill?<br>Technical audience hitting React/Vue controlled inputs — Filler's target surface.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/webdev204 pts· 93 cmtsExample

05How do you find early users without cold email spam?<br>Founders looking for warm conversations — same loop OpenCorp is built for.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/SaaS156 pts· 78 cmtsExample

06Greenhouse / Lever applications are soul-crushing. Alternatives?<br>Massive thread on the exact form types Filler maps to real profile answers.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/cscareerquestions412 pts· 201 cmtsExample

07Do AI form fillers send my personal data to the cloud?<br>Privacy-minded users actively rejecting cloud autofill — perfect pitch surface.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/privacy97 pts· 54 cmtsExample

08Just shipped my first extension. Where do I talk to real users?<br>Meta-thread about finding buyers in communities — OpenCorp's own use case.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/Entrepreneur63 pts· 39 cmtsExample

09Looking for local-only password + form tools (no account required)<br>No-account, local-first buyers — aligns with Filler's architecture.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/selfhosted71 pts· 28 cmtsExample

10What do you use to stop retyping company history on every form?<br>Practitioners comparing profile-based vs AI-generated answers.<br>svg]:pointer-events-none [&>svg]:size-3! [a]:hover:bg-muted [a]:hover:text-muted-foreground h-4 border-[#FF4500]/30 px-1 text-[10px] text-[#FF4500]/80">r/experienceddevs188 pts· 96 cmtsExample

Founder<br>opencorpai

Founder<br>builder of filler.live

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.<br>Follow the build on X →

Questions, answered<br>What do I actually get?

Is it really free?

How is this different from searching Reddit myself?

Does it post or comment for me?

Get the map.<br>Paste your product link. See who's already looking for what you built.

Find my users<br>Free & open source · account unlocks full thread lists