TaxLens – free lodging-tax API for hotels, OTAs, and property managers
Free API with 1100+ rates across 245 countries competing against Avalara and TaxJar.

Bitcoin-only portfolio OS; CoinTracker and Koinly already dominate tax reporting.
Bitcoin hodlers who want to track holdings, estimate fees, and generate tax reports without altcoin noise
CoinTracker · Koinly · Ledger Live
Free API with 1100+ rates across 245 countries competing against Avalara and TaxJar.
Adds PDF report generation to AWS cost CLI, but cost tools are crowded.
Reports look sharp, but AI research aggregation already exists; unclear data sourcing advantage.
AI-summarized commits for standups, but Geekbot and Standuply already do this.
Transparent founder DNA assessment without the matching platform to find actual partners.
No-AI debugging reporter captures what actually happened, not inferred causes.