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CorroboratedⓘEvidence tiers: Early signal = 1 uncorroborated request — treat as radar, not a validated opportunity · Corroborated = 2-3 requests · Validated = 4+ requests from 2+ different people. Every count appears exactly once, in the fact bar below — each traces to a real source post.
Async Stream Library
In their words
"I don't want something that behaves like NestJS by default, where the application/container eagerly initializes the whole graph at startup" — a builder, verbatim · sign in free to trace the source ↗
What they tried & dropped
Extracted word-for-word from the evidence posts below — every item is quoted verbatim from a real builder.
Hard requirements
Non-negotiables stated by builders in their own words. Miss one and they will not switch.
Type-safe registration and resolutionAsync initialization supportCommonJS compatibilityLazy initializationLifecycle story for shutdown/disposalnative backpressure
Competitor pricing
Competitor pricing · checked 2026-09-02
The rivals in the fact bar are verified shipping · no public pricing published yet — next check within 5 days.
How we checked
Where we searched
3 sources · GitHub (open-source check) · App Store · SaaS marketplaces
Verification funnel
55 raw matches scanned, then AI-de-duped · see the breakdown below
Last scan
14d ago · auto-refreshed every 30 days
Sign in to see the full opportunity
Every source post · named rivals · what builders tried & dropped · quantified pain — all traceable to the original posts
Sign up free →Signal history
2 posts on record since Jun 2026 — not enough to plot a trend. We plot history once a gap has 3+ posts spanning 3+ weeks.
Evidence pool
2 source posts on record — each insight links back to a real one.
2 reddit