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VC Intelligence Report

Source Lair

Developer Tools — SourceLair lets people develop software in their browsers
Developer Toolsest. 2015
● Verified live
Verdict from HTTP liveness real
last probed Aug 26, 2026
Pulse 41.0 · 2/4
41.0
Pulse Index
2/4 families · real
0.0
30-day Δ
pulse momentum · real
17
HTTP probes
liveness history · real
5
Functional tags
observed attributes · real
Risk read derived from observed signals

Verified live by HTTP probe across 17 observations. Pulse has been flat over the last 30 days.

HTTP liveness

real
17 probes · Jun 16, 2026Aug 26, 2026aliveredirecteddeadunverified

Signal telemetry

4 families · 2 observed · observed only
Liveness probereal
alive in 100% of 17 probesavg response 629 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
sourcelair.com
edge
behind Cloudflare
server
cloudflare
Tranco rank
#2,385,014
Domain age & certificate data not yet collected

Analyst read

generated from the observed metrics above · no external narrative

Source Lair's listed site resolved live when we last probed it on Aug 26, 2026, so we mark it verified alive. Its Pulse Index is 41.0 of 100, built from 2 of 4 observed signal families. Observed footprint: 5 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
NimbusFoundrydev-toolssimilar100%40.00.0● live
Coderviewsdev-toolssimilar100%8.00.0— unverified
Stypidev-toolssimilar100%8.00.0— unverified
Runnable Snippets by Tech.iodev-toolssimilar100%43.50.0● live
JS Bindev-toolssimilar100%17.0-32.0— unverified
Codeshowdev-toolssimilar100%8.00.0— unverified
stackstreamdev-toolssimilar100%40.00.0● live
Xérusdev-toolssimilar100%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 modelunknown
Liveness tierquiet
Competitive alternativesnone linked
Open sourceNo
Public APINo
Free tierNo
Enterprise tierNo

Funding & team

not in source

No disclosed funding in our sources. Funding data covers only ~1% of the corpus (462 rounds across 79K products), so absence here is unknown, not zero— we don't estimate a number we can't source.

RAW TELEMETRY last 14 probes
PROBEDHTTPORIGIN → RESOLVEDSERVERMSVERDICT
2026-08-26 12:10Z200sourcelair.comcloudflare237alive
2026-08-18 13:19Z200sourcelair.comcloudflare417alive
2026-08-11 00:16Z200sourcelair.comcloudflare437alive
2026-08-08 06:06Z200sourcelair.comcloudflare389alive
2026-08-05 18:27Z200sourcelair.comcloudflare1182alive
2026-07-30 17:41Z200sourcelair.comcloudflare457alive
2026-07-18 15:36Z200sourcelair.comcloudflare896alive
2026-07-16 09:47Z200sourcelair.comcloudflare972alive
2026-07-10 10:36Z200sourcelair.comcloudflare601alive
2026-07-04 09:26Z200sourcelair.comcloudflare153alive
2026-06-23 13:44Z200sourcelair.comcloudflare454alive
2026-06-21 22:01Z200sourcelair.comcloudflare995alive
2026-06-20 20:09Z200sourcelair.comcloudflare943alive
2026-06-19 16:48Z200sourcelair.comcloudflare673alive
Full redirect chains, response headers, and DNS records are not captured by the current probe.
Launch Sentinel tear sheet · Source Lair · as of 2026-08-28 · launchsentinel.com/reports/source-lair · liveness, pulse and press figures are observed data with provenance shown per panel.