// tools-and-agents/open-source
Open Source & Systems
Open-source repos and production systems I've shipped.
beFindable
2026Creator
An AI-visibility and social-listening platform for agencies — tracks how brands show up across ChatGPT, Claude, Gemini, Perplexity, and AI Overviews, with multi-tenant RLS and scheduled PDF reports.
PythonFastAPITypeScriptSupabaseRailwayStripeGA4Creator
A multi-tenant SaaS that pipes AI-crawler traffic into PostHog, Mixpanel, or Amplitude — with envelope encryption, fail-closed row-level security, and Stripe metered billing.
TypeScriptNext.jsPostgreSQLRedisStripeKMSAES-256-GCMCreator
A Vercel log-drain receiver that verifies HMAC-SHA1 signatures in constant time, filters AI-crawler user agents, and forwards anonymized events to PostHog.
TypeScriptNext.jsVercelPostHogSkillLedger
2026Creator
Supply-chain integrity for AI skills — Sigstore keyless signing, a Tessera transparency log, and OPA policy gates, in a Dockerized service + log + Postgres stack.
GoPythonFastAPITypeScriptSigstoreOPAPostgreSQLDockerSporeDB
2026Creator
A bioprocess time-series database on Apache Arrow and DuckDB — automatic phase detection, a PromQL-style query language that compiles to DuckDB, and FDA 21 CFR Part 11 audit trails.
PythonPyPIApache ArrowDuckDB