Browse builds
Every listing shows its stack, size, dependency risk, and how the merchant was verified. Nothing here is sold without escrow.
EtherFlow Middleware
v2.4.0 · @sigmalab
High-throughput transaction middleware with backpressure that actually holds.
Nebula CRM Core
v2.4.0 · @archon
A CRM backbone you can put your own front end on.
VectorBridge Pro
v1.0.2 · @vectorlabs
Embedding pipeline and vector store bridge with schema hydration.
AuthStream Proxy
v3.1.0 · @signalzero
Session and token proxy that sits in front of anything.
Kinetix Physics Engine
v1.0.2 · @sigmalab
Deterministic 2D physics compiled to WASM.
Synapse Job Layer
v0.9.8 · @archon
Durable background jobs on Postgres, no extra broker.
LedgerLite
v1.4.0 · @sigmalab
Double-entry accounting core for products that move money.
InboxSift
v0.6.1 · @signalzero
Email triage agent with a rules layer you can read.
Plotwright
v0.3.0 · @mossbuilt
Chart builder that outputs real components, not images.
Wanted board
Demand posted by buyers. Answering one of these is the fastest first sale on the platform.
Invoicing and dunning module for a B2B SaaS
Needs proration, retries, and a customer-facing billing portal. Happy to buy something battle-tested rather than build it.
$3k – $6k@ridgeline.io · 2 days agoWarehouse picking app with offline sync
Barcode scanning, conflict resolution, works on cheap Android handhelds. Will pay for full IP transfer.
$8k – $15k@nordfulfil · 5 days agoDeterministic backtesting engine
Anything that replays tick data reproducibly. Certified builds only.
$10k+@quietalpha · 1 week ago