Free tools · No login
Founder tools that earn their keep without a paywall
Each tool below runs in your browser, no account, no card. If you need the full research report (alternatives, HN threads, and Reddit threads for your own product), OpenCorp's main workflow is also free.
Reddit thread finder
Type a keyword, get the top 25 Reddit threads ranked by relevance, upvotes, comments, or recency. Filter by subreddit.
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Hacker News thread finder
Type a keyword, get the top HN threads with relevance scoring. Includes Show HN and Ask HN posts.
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Niche subreddit finder
Type a topic, get the top Reddit subreddits ranked by post count, score, and comments. Free, no login.
Open tool
Show HN drafter
Paste your product URL, get a Show HN post draft in the HN community format. Plain titles, no marketing adjectives.
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Competitor scraper
Paste any product URL, get the top 5-10 competitors deduped across 5 search angles. Same engine as the full OpenCorp research, no login.
Open tool
Show HN drafter
Paste your product URL, get three Show HN post drafts that follow the HN community's format. Plain titles, no adjectives.
Coming soon
Need the full picture?
Drop your product link. OpenCorp returns alternatives, ranked Reddit threads, ranked Hacker News discussions, and a Show HN draft in under a minute. Free, open source.
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