Open Web Utilities & Empirical Benchmarks
A verified directory of production-grade client-side calculation engines, developer observability tools, AI benchmark suites, and financial quantitative models. All tools execute with local-first privacy and sub-100ms global latency.
🤖 Sector 1: AI Engineering & Inference Infrastructure
LocalAgentStack
Local LLM VRAM requirements, concurrency sizer, and DeepSeek R1 Ollama benchmarks.
Launch App →VectorBench
Production vector DB latency, QPS, memory footprint & dollar-per-query benchmarks.
Launch App →OpenAgentStack
Multi-Agent Protocol Hub, LangGraph vs CrewAI benchmarks & MCP server blueprints.
Launch App →RAGInspect
Interactive semantic chunking visualizer, embedding model MTEB leaderboard & BM25 simulator.
Launch App →EdgeRuntimeHQ
In-browser WebGPU, ONNX Runtime Web & CoreML inference latency matrix with TTFT profiling.
Launch App →🌍 Sector 2: Remote Work, Visas & Geographic Arbitrage
WorkationRadar
Verified coliving spaces, WiFi speed tests, community ratings & nomad hub cost data.
Launch App →NomadTreaty
International tax treaties, 183-day residency rules & Beckham Law / NHR tax calculators.
Launch App →FounderRunway
Bootstrapped startup runway calculator with city-by-city geo-arbitrage multipliers.
Launch App →NomadPassportIndex
Searchable global digital nomad visa database with income thresholds & consular criteria.
Launch App →EORCalculator
Employer of Record true-cost calculator modeling mandatory taxes & hidden FX spreads.
Launch App →📊 Sector 3: B2B Automation, Micro-SaaS & Economics
IndieStackAudit
Micro-SaaS tech stack benchmark, Next.js vs Astro performance & zero-cost cloud stacks.
Launch App →WebhookWatch
Real-time HMAC-SHA256 signature generator, exponential backoff simulator & DLQ patterns.
Launch App →SaaSUnitMath
Bootstrapped SaaS unit economics, LTV/CAC payback periods, churn models & Rule of 40 scoring.
Launch App →SOC2Ready
B2B SaaS SOC 2 Type II readiness assessment, security controls checklist & auditor fee estimator.
Launch App →OpenCRMStack
Open-source CRM TCO calculator comparing Twenty CRM & ERPNext vs Salesforce / HubSpot.
Launch App →🧮 Sector 4: Specialized Developer Utilities & Quant Math
LocalDocPrivacy
100% client-side in-browser PDF redaction & offline document converter using WASM.
Launch App →GrokLogTester
In-browser Grok pattern debugger & Nginx / AWS ALB log regex extractor with instant JSON parsing.
Launch App →DevConfigHub
Interactive DevContainer, Docker Compose & Nix Flakes configuration generator.
Launch App →CIPipelineGraph
CI/CD YAML workflow visualizer, DAG dependency graph renderer & concurrency optimizer.
Launch App →GreekVisualizer
Black-Scholes options Greeks (Delta, Gamma, Theta, Vega) & Uniswap v3 Impermanent Loss calculator.
Launch App →⚡ Sector 5: Cloud Architecture, Observability & Platform Engineering
PromptEvalHQ
LLM evaluation regression suites, Promptfoo vs DeepEval & Ragas metric cost calculator.
Launch App →QueueCost
Background task queues, BullMQ vs Celery memory benchmarks & Temporal throughput sizer.
Launch App →OpenTelemetryLab
OTel collector tail-sampling configurations, Tempo vs Jaeger storage math & latency sizer.
Launch App →PostgresScale
PostgreSQL autovacuum tuning, BRIN vs B-Tree indexing & PgBouncer pool sizing.
Launch App →APIGatewayMatrix
Envoy, Kong, Traefik & Caddy p99 latency benchmarks and global rate-limiting calculator.
Launch App →S3EgressAudit
Cloudflare R2 vs AWS S3 zero-egress cost simulator & Backblaze B2 economics.
Launch App →AuthTokenAudit
JWT vs PASETO token cryptographic security, refresh rotation & cookie payload sizer.
Launch App →DNSPerfHQ
Anycast DNS latency benchmarks, Cloudflare vs Route 53 & TTL migration countdown planner.
Launch App →FeatureFlagAudit
LaunchDarkly vs Flagsmith vs Unleash TCO calculator & OpenFeature evaluation latency.
Launch App →TinyContainerHQ
Chainguard vs Distroless vs Alpine image size, CVE vulnerability & scratch build sizer.
Launch App →