Ultra-pro real-time uptime monitoring with Telegram voice alerts, bot notifications, SMS fallback, dashboard, CLI — because email is too slow when your site goes down.

Application performance monitoring for RudderJS — records request throughput, queue metrics, cache hit rates, exceptions, active users, slow queries, and server resource usage.

Hapi plugin to log slow responses

Simple, slow CRC calculator to produce 1-32 bit digests

Tool to show slow calls in your code runned by v8.

Fork of modbus-serial with improved reliability for slow Modbus devices. A pure JavaScript implementation of MODBUS-RTU (Serial and TCP) for NodeJS. The serialport package is an optional dependency (use npm install --no-optional to skip).

A robust TypeScript library and CLI tool for decoding and encoding Slow Scan Television (SSTV) signals.

Profile Pi extension startup time, inspect slow extensions, and guide safe performance optimizations.

A very slow logger

A simple package that uses NetworkInformation API to check if the user's network is slow.

MCP server that gives AI assistants tools to analyze Salesforce Apex debug logs for performance bottlenecks, slow methods, and governor limit usage.

Displays a notification about the fact that the pad may be slow when you reach 150.000 chars.

Define and enforce database query budgets in NestJS tests to detect excessive, duplicated, repeated, and slow queries before production.

Find why your pages load slow, then fix it.

Array.join() is slow, this tool helps you to join() your string array faster.

a proxy for simulating slow, spotty, HTTP connections

CLI tool to diagnose why your Node.js project is slow — scans for large files, oversized images, circular dependencies, and unused packages.

PostgreSQL query health CLI — slow query detection, index advice, N+1 finder, lock analysis, health score

Development server to simulate slow bandwidth

Vitest reporter for identifying slow tests