sigmap.io's rivals
Provides a deterministic, verifiable signature-and-evidence map for AI code work, operating fully offline.
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promptsign.ainobody's claimed it
Signs and verifies code for AI skills, agents, and instruction files in the browser.
How rivals are picked
Every square's description is compared with every other square's, and the closest thirty are read by an AI that keeps only real alternatives: products a customer would weigh against sigmap.io. Add-ons, companion apps and neighbouring niches are left out. It reads what each site says about itself, so it can be wrong; tell us when it is.
Bulldozing costs what evicting costs: double what the owner paid, $1 minimum. It's anonymous, nobody moves in, and the lot reopens at $1, so they can come back. The longer version is evict your competitor.