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VC Intelligence Report

workerd

Developer Tools — workerd is an open-source JavaScript and WebAssembly runtime built on Cloudflare's production in…
Developer ToolsDefensible · data moat (strong)open-source
● Verified live
Verdict from HTTP liveness real
last probed Aug 27, 2026
Pulse 40.0 · 1/4
40.0
Pulse Index
1/4 families · real
0.0
30-day Δ
pulse momentum · real
34
HTTP probes
liveness history · real
12
Functional tags
observed attributes · real
Risk read derived from observed signals

Verified live by HTTP probe across 34 observations. Pulse has been flat over the last 30 days. Observation is liveness-only: no tracked press, repository, or traffic rank — existence is confirmed, momentum is unobserved.

HTTP liveness

real
34 probes · Jun 16, 2026Aug 27, 2026aliveredirecteddeadunverified

Signal telemetry

4 families · 1 observed · observed only
Liveness probereal
alive in 100% of 34 probesavg response 877 ms
Developer tractionchecked · none
No public repository linked — GitHub signals are not tracked for this product.
Press & sentimentchecked · none
No coverage found in the tracked press corpus. Absence of press is itself a signal at this stage.
Web footprintreal
resolved host
github.com
edge
direct origin
server
github.com
Tranco rank
unranked
Domain age & certificate data not yet collected

Analyst read

generated from the observed metrics above · no external narrative

workerd's listed site resolved live when we last probed it on Aug 27, 2026, so we mark it verified alive. It has fewer than two observed signal families, so no Pulse Index is composed — the evidence strip shows what is and isn’t present. Observed footprint: 12 functional tags. It has no curated competitive-alternative edges yet, so the comparable set below is functional tag-similarity — read it with the confidence flags.

Comparable set

curated alternatives → functional tag-similarity
CompanyBasisOverlapPulse30d ΔStatus
preclouddev-toolssimilar75%0.00.0■ inactive
Retransmit's Prismdev-toolssimilar75%8.00.0— unverified
Fluent CIdev-toolssimilar71%40.00.0● live
Next.js 12dev-toolssimilar71%40.00.0● live
Promptspotdev-toolssimilar69%40.00.0● live
Trails Frameworkdev-toolssimilar69%37.6-2.4● live
Liskdev-toolssimilar69%20.20.0→ redirected
Cicadadev-toolssimilar69%8.00.0— unverified

Confidence reflects source and category coherence: curated = an editorially linked alternative; similar = strong functional tag-overlap in the same category; tag-overlap = shared tags only and may be noisy. Overlap is the shared functional-tag ratio (Jaccard) for tag-matched rows. Pulse is the observed-activity index real and 30d Δ its signed month change; a dash means insufficient observed history, never zero.

Structure

observed attributes
Business modelopen-source
Liveness tierfading
Competitive alternativesnone linked
Open sourceNo
Public APINo
Free tierNo
Enterprise tierNo

Funding & team

real

2 disclosed funding rounds on record, 1 founder resolved. See the full cap table on the product profile →

RAW TELEMETRY last 14 probes
PROBEDHTTPORIGIN → RESOLVEDSERVERMSVERDICT
2026-08-27 18:10Z200github.comgithub.com434alive
2026-08-26 09:41Z200github.comgithub.com446alive
2026-08-19 14:02Z200github.comgithub.com1333alive
2026-08-11 00:37Z200github.comgithub.com411alive
2026-08-08 06:30Z200github.comgithub.com473alive
2026-08-05 18:50Z200github.comgithub.com427alive
2026-07-30 18:04Z200github.comgithub.com1006alive
2026-07-23 09:25Z200github.comgithub.com1345alive
2026-07-22 09:28Z200github.comgithub.com1186alive
2026-07-21 09:29Z200github.comgithub.com1167alive
2026-07-20 09:56Z200github.comgithub.com1362alive
2026-07-19 09:07Z200github.comgithub.com940alive
2026-07-18 08:48Z200github.comgithub.com610alive
2026-07-17 09:10Z200github.comgithub.com1141alive
Full redirect chains, response headers, and DNS records are not captured by the current probe.
Launch Sentinel tear sheet · workerd · as of 2026-08-28 · launchsentinel.com/reports/workerd · liveness, pulse and press figures are observed data with provenance shown per panel.