High-performance Piecewise Geometric Model (PGM) learned index implementation in pure Rust with strict epsilon error guarantees
Accessibility-first browser & computer use for AI agents — one MCP server for every harness (Codex, Claude Code, OpenCode, Antigravity). Instruments the DOM/accessibility tree via CDP instead of screenshot loops: diffed snapshots, stable element refs, trusted input, typed errors. Zero dependencies
Free, open-source local file converter. Native macOS app + early Windows/Linux desktop edition. Batch images, PDFs and optional FFmpeg media. GPLv3.
A lightweight JSON formatter, validator, and minifier for Windows. Beautify JSON, identify syntax errors, and keep your data organized with a simple, offline-friendly developer tool.
Claude re-derived a published one-loop quantum gravity calculation step by step: 18 tasks, 183 pages of derivations, 38 reproducible checks. It found a sign error and a missing term; the physical conclusion survived.
Developer-first error tracking and performance monitoring
:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
A memory leak detection library for Android.
解决Cursor在免费订阅期间出现以下提示的问题: Your request has been blocked as our system has detected suspicious activity / You've reached your trial request limit. / Too many free trial accounts used on this machine.
:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
Daemon to ban hosts that cause multiple authentication errors
Build production-ready applications in TypeScript
🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀
PHP errors for cool kids
A mighty CSS linter that helps you avoid errors and enforce conventions.
Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.
highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.
Official Sentry SDKs for JavaScript
Simple reusable React error boundary component
Assertions to validate method input/output with nice error messages.
可私有部署的多租户知识智能体平台:统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Yuxi = Cloud Agents + Knowledge RAG, Self-hosted knowledge agent platform for RAG, knowledge graphs and multi-agent workflows.
Catch common Java mistakes as compile-time errors
Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.
Flexible concrete Error type built on std::error::Error
A PHP static analysis tool for finding errors and security vulnerabilities in PHP applications
derive(Error) for struct and enum error types
Framework agnostic sliced/tiled inference + interactive ui + error analysis plots
Open-source observability for AI agents. Find where your agents fail, dispatch your coding agent to fix it, and verify the fix against real traces.
💥 Collision is a beautiful error reporting tool for command-line applications
A crypto-secure Reliable-UDP library for Golang with FEC support.
The open source error catcher that's Airbrake API compliant :ukraine:
A Webpack plugin to enable "Fast Refresh" (also previously known as Hot Reloading) for React components.
:triangular_ruler: Ts.ED is a Node.js and TypeScript framework on top of Express to write your application with TypeScript (or ES6). It provides a lot of decorators and guideline to make your code more readable and less error-prone. ⭐️ Star to support our work!
Enhances Tesseract OCR output using LLMs (local or API) for error correction, smart chunking, and markdown formatting of scanned PDFs
Provides tools to manage errors and ease debugging PHP code
A Go (golang) package for representing a list of errors as a single error.
errcheck checks that you checked errors.
Go error library with error portability over the network
Exceptionless application
💪 Helper Utils(900+): int, byte, string, array/slice, map, struct, dump, convert/format, error, web/http, cli/flag, OS/ENV, filesystem, system, test/assert, time and more. Go 常用的工具函数:数字,字符串,数组,Map,结构体,反射,文本,文件,错误,时间日期,特殊处理,格式化,常用信息获取等等
Open-source clone of the original X-Com 👽
Self-hosted Error Tracking
A simple, fluent discriminated union of an error or a result.
The official PHP SDK for Sentry
Digging through logs is not observability. It's hope — wide events, structured errors, TypeScript-first, every runtime.
Responsible AI Toolbox is a suite of tools providing model and data exploration and assessment user interfaces and libraries that enable a better understanding of AI systems. These interfaces and libraries empower developers and stakeholders of AI systems to develop and monitor AI more responsibly, and take better data-driven actions.
😎 Tracy: the addictive tool to ease debugging PHP code for cool developers. Friendly design, logging, profiler, advanced features like debugging AJAX calls or CLI support. You will love it.
simavr is a lean, mean and hackable AVR simulator for linux & OSX
High-performance data-driven data specification library for Clojure/Script.
📝 tslog - Universal Logger for TypeScript and JavaScript
🪂 Tiny, zero-dep HTTP server & Docker image serving pretty, themeable, localized HTTP error pages — drop-in for Traefik, Nginx, Kubernetes, and more
Fearless refactoring, it does a lot of smart checks to find certain errors.
Handle errors in a simple, stable, consistent way
A simple program which checks Python source files for errors
Measure helps mobile teams monitor and fix crashes, ANRs, bugs, and performance issues. The open source alternative to Firebase Crashlytics.
Safe and idiomatic TypeScript types to handle null, error, and async code handling: Maybe, Result, and Task types that are really nice.
The official Laravel SDK for Sentry (sentry.io)
Lint packaging errors
—
BugSnag crash monitoring and reporting tool for Android apps