Dev Utils

DESIGN.md by Google Labs Code is an open-source format specification for describing visual identity to AI coding agents. 20.8k GitHub stars. Learn how it bridges design systems and AI code generation with YAML tokens and prose-based constraints.

A security scanner for AI agent skills that detects vulnerabilities, malicious patterns, and security risks before installing agent skills. 10K stars from NVIDIA. Protect Claude Code, Codex CLI, and other agent frameworks.

Presidio (9.4K+ GitHub stars) from Microsoft is an open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, regex, rule-based recognition, DICOM image redaction, and customizable pipelines. MIT licensed, OpenSSF Best Practices certified.

Complete guide to Spec Kit by GitHub - the open-source toolkit that transforms how developers build software through spec-driven development. Installation, workflow, and real-world examples.

Complete guide to CC Switch — the cross-platform desktop app that manages Claude Code, Codex, Gemini CLI, OpenCode, OpenClaw, and Hermes Agent in one unified interface. Installation, configuration, and real-world usage.

Deep dive into codebase-memory-mcp — the fastest code intelligence MCP server that indexes entire repositories in milliseconds. Full installation guide, comparison with alternatives, and real-world usage.

LLM inference cost optimization guide. Compare Ollama, vLLM, llama.cpp quantization. Reduce API costs by 90%+. 3 benchmarks, 6 deployment methods.

JuiceFS (13,900+ stars) transforms any S3-compatible object storage into a POSIX-compliant distributed file system. Powered by Redis for metadata, it delivers cloud-native performance with local filesystem semantics — perfect for AI training, big data, and cloud workloads.

We stopped writing for clicks. Started writing for citations. After 72 articles across 4 languages, here is the 5-layer method that got us cited by Google SGE, Perplexity, and ChatGPT.

ECC (Agent Harness Performance Optimization) reduces context window usage and speeds up AI coding agent responses. Compatible with Claude Code, Codex, Opencode, Cursor, and more. Performance tuning, skill system, and MCP server setup covered.

Master Oh My Zsh with real benchmarks, plugin configs, and setup guides. Compare with Starship, Prezto, and Zsh-native setups. 187k+ stars.

Semgrep is an open-source static analysis tool with 15K+ GitHub stars that finds 500+ vulnerability patterns in Python, JavaScript, TypeScript, Go, Java, and more. Fast, lightweight, CI/CD integration. Includes setup guide, benchmarks, and production deployment.

Learn how to use Microsoft's MarkItDown to convert PDFs, Word docs, images, HTML, PPTX, and more into clean Markdown. Step-by-step installation, usage examples, Python API, AI pipeline integration, benchmarks, and comparisons with Pandoc, Calibre, and LibreOffice.

Trivy (aquasecurity/trivy) is an open-source security scanner for containers, IaC, and code. Works with Kubernetes, Docker, GitHub Actions, and CI pipelines. Scans 600K+ CVEs, secrets, and misconfigurations. Covers installation, policy-as-code, and production hardening.

Obscura (14,788 GitHub stars) is a Rust headless browser engine for AI agents and web scraping. 30MB memory, 85ms page load, built-in anti-detection. Drop-in replacement for headless Chrome with Puppeteer and Playwright support. Docker and binary installs.

repomix (formerly repopack) turns any Git repository into a single, structured plain-text file optimized for LLM context windows — supporting Claude, ChatGPT, Gemini, and Cursor. 14k+ stars, zero config, runs in seconds with npx.

Bumblebee is Perplexity AI's open-source, read-only supply-chain scanner that checks npm, PyPI, Go modules, MCP configs, editor extensions, and browser extensions for known compromised packages — without executing a single line of your code.

Codegraph (48,117 GitHub stars) creates pre-indexed code knowledge graphs for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, and Hermes Agent — fewer tokens, fewer tool calls, 100% local. Includes setup tutorial, architecture breakdown, and real benchmarks.

cc-switch (99,299 GitHub stars) is a cross-platform desktop tool that unifies Claude Code, Codex, OpenCode, Gemini CLI, OpenClaw, and Hermes Agent into one control center. Single binary, zero dependencies. Includes setup tutorial, architecture breakdown, and real benchmarks.

Free open-source desktop widget for Linux that shows real-time AI token quotas with HP-bar progress visualization inside Conky. Supports Claude, Gemini, Grok, and Kimi with live API polling and reset countdowns.

Skyvern automates browser-based workflows using LLMs and computer vision (21,803 GitHub stars, AGPL-3.0). Covers installation, the real Python API, working code examples, and an honest comparison with Selenium and Playwright.

markitdown is Microsoft''s Python tool for converting files and office documents to Markdown. 141,153 GitHub stars, MIT license. Covers installation, core CLI and Python usage, real code examples, and an honest comparison with pandoc and docx2txt.

Marker (datalab-to/marker) converts PDF, DOCX, EPUB and more to Markdown, JSON, HTML and chunks quickly and accurately. 35,694 GitHub stars, GPL-3.0 code license. Covers installation, the CLI and Python API, real code examples, LLM mode, and an honest comparison with alternatives.

Firecrawl is the open-source web data API that scrapes, crawls, maps, and searches the web into clean, LLM-ready markdown or structured JSON. 127,747 GitHub stars, AGPL-3.0. Covers install, the official SDKs, real code, self-hosting, and an honest comparison with Puppeteer, Scrapy, and Axios.

exo turns your Macs, PCs and phones into a single cluster that runs frontier AI models locally. 45,088 GitHub stars, Apache-2.0. Covers installation, the dashboard, the OpenAI/Claude/Ollama-compatible API, real commands, and an honest comparison.

Generative Engine Optimization (GEO) is the new SEO. How to optimize for Google AI Overviews, ChatGPT Search, and Perplexity citations. Real techniques from running optimization on dibi8.com — FAQ schema, citability scoring, llms.txt.

Google released Gemini CLI competing with Claude Code. Tested both on the same 5 workflows: where Gemini wins (free tier, 1M context), where Claude Code wins (tool-use reliability, agentic loops), and which to use when.

Cursor changed its pricing in 2025 — Pro users lost ~55% effective usage at the same price. Here are 7 specific cost-saving strategies that work in 2026: model selection, context discipline, hybrid stacks, and when to abandon ship.

Tested all three open-source AI coding agents on the same 5K-LOC TypeScript codebase. Concrete benchmark numbers, where each wins, where each falls short, and the BYO-API-key cost reality vs commercial alternatives.

Companies in 2026 split into AI-allow / AI-restrict / AI-forbid camps. Practical guide for what each policy looks like, how to choose, and the legal/IP/compliance gotchas — based on real corporate adoption patterns we tracked.

Tracked 30 days of actual usage and billing across Claude Max ($200), ChatGPT Plus + Codex CLI API ($165 effective), and Cursor Pro + API overflow ($87). Per-task cost breakdown, when each pays off, and the threshold where switching makes sense.

The definitive n8n tutorial 2026. Self-host n8n, build AI-powered workflow automations with LangChain integration, and compare n8n vs Zapier vs Make for enterprise builders.

CodeGraph (20.2K+ stars) is a local-first knowledge graph for Claude Code, Cursor, Codex CLI, OpenCode and Hermes Agent. SQLite-backed, 19 languages, 14 frameworks, zero external APIs — slashes ~35% of token cost and ~70% of tool calls vs raw grep/glob/Read. Full feature breakdown, install, real workflows, comparison vs LSP and MCP servers.

Cursor's monopoly on AI coding is over. We benchmarked 7 open-source and commercial alternatives — Claude Code, Codex, Windsurf, Aider, Continue.dev, Cline, and Roo Code — on real-world projects.

Set up a complete local GenAI development environment with Docker GenAI Stack. Includes LangChain, Neo4j, Ollama, and vector databases in a single docker-compose. Production-ready tutorial for 2026.

Zoxide is a smarter cd command that learns your directory habits. Supports Bash, Zsh, Fish, Nushell, and PowerShell. Covers installation, shell integration, fzf setup, algorithm internals, and migration from autojump/fasd.

Set up Typesense 27.1 for typo-tolerant instant search with sub-50ms response times. Step-by-step Docker deployment, SDK integration, and production benchmarks.

Traefik is a cloud-native application proxy and edge router with automatic service discovery. Compatible with Docker, Kubernetes, Consul, and Docker Compose. Covers installation, middleware, TLS, monitoring, and production hardening.

Complete guide to Supabase: the open-source Firebase alternative with Postgres + pgvector for AI apps. Auth, storage, realtime, edge functions, RAG pipeline integration, self-hosted Docker deployment, and Row Level Security.

Deploy SigNoz in 5 minutes. The open-source APM with distributed tracing, metrics, and logs that replaces Datadog at 10% the cost — built on OpenTelemetry.

ShellCheck (SC) is a static analysis tool for bash/sh shell scripts. Integrates with Docker, GitHub Actions, VS Code, and CI/CD pipelines. Covers installation, configuration, CI integration, and production hardening.

Scrapy is a fast high-level web crawling and scraping framework for Python. Compatible with Python, Docker, Redis, PostgreSQL. Covers benchmarks, architecture, production deployment, and comparison with BeautifulSoup, Selenium, and Playwright.

Puppeteer is a Node.js library for headless Chrome and Firefox automation. Supports Docker, GitHub Actions, Jest, Mocha, TypeScript. Covers puppeteer docker setup, production deployment, browser automation tutorial, and CI/CD integration.

Prometheus (Prom) is an open-source monitoring system and time series database. Compatible with Docker, Kubernetes, Grafana, and Alertmanager. Covers installation, PromQL queries, production hardening, and performance benchmarks.

Master Playwright 1.51 for cross-browser automation. Chrome, Firefox, WebKit support. Auto-wait, tracing, codegen, and parallel testing. 3x faster than Selenium with complete setup guide.

Complete self-hosted setup guide for Plausible Analytics. Privacy-first, GDPR-compliant, <1KB tracking script. 45x faster than Google Analytics. Real benchmarks and Docker deployment.

Deploy Outline with Docker in 10 minutes. Build a real-time collaborative wiki for your engineering team with Markdown editor, Slack integration, full-text search, and granular permissions.

Deploy NocoDB in 5 minutes with Docker. Turn MySQL, PostgreSQL, or SQLite into a collaborative spreadsheet with auto-generated REST APIs, Kanban boards, and role-based access control.

Netdata (ND) is a high-performance real-time monitoring agent with per-second metrics and visualization. Compatible with Docker, Kubernetes, Prometheus, and Grafana. Covers netdata tutorial, netdata setup, real time monitoring, netdata vs prometheus, and netdata performance tuning.

Deploy Meilisearch 1.12 for lightning-fast typo-tolerant search with sub-50ms latency. Docker setup, SDK integrations, production benchmarks, and honest comparison.

LazyDocker (LD) is a terminal UI for managing Docker containers, images, volumes, and logs. Compatible with Docker, Docker Compose, Go, and Terminal. Covers installation, keybindings, configuration, and production hardening.

HTTPie is a modern command-line HTTP client for the API era with JSON support, colors, and sessions. Compatible with Python, pip, Homebrew, Docker. Covers installation, benchmark comparison, production hardening, and FAQ.

Hoppscotch (HOPP) is an open-source API development ecosystem. Docker, GitHub Actions, Node.js, Vue.js compatible. Covers hoppscotch tutorial, self-hosting, CLI automation, and comparison vs alternatives.

Grafana is the open-source visualization and analytics platform for monitoring. Covers Prometheus, Loki, InfluxDB, Elasticsearch integration. Includes Docker setup, production hardening, and comparison with Datadog, Kibana, New Relic.

Complete self-hosting guide for Docmost, the open-source collaborative wiki with real-time editing, Notion-like block editor, nested pages, and PostgreSQL backend. Deploy in 5 minutes.

Docker Compose (docker compose) defines and runs multi-container apps with declarative YAML. Compatible with Docker, Traefik, Prometheus, Grafana. Covers install, production hardening, health checks, and vs Kubernetes/Podman/Nomad.

Complete guide to Directus 11.x — the open-source headless CMS with dynamic API generation, content versioning, AI content workflows, and self-hosted Docker deployment. REST and GraphQL API benchmarks.

DevToys is a free, open-source, offline Swiss Army knife for developers. Cross-platform utilities for JSON, Base64, JWT, regex, and 30+ tools on Windows, macOS, and Linux with Smart Detection and CLI support.

Dagger is a programmable CI/CD engine that runs pipelines in containers. Compatible with Docker, Go, Python, TypeScript. Covers Dagger setup, tutorial, vs GitHub Actions, and production hardening.

Colly is a fast, elegant scraping framework for Go with 1k+ req/sec throughput. Covers colly tutorial, colly vs scrapy benchmarks, Docker setup, Redis caching, proxy rotation, and production deployment patterns for large-scale data extraction.

Complete guide to Chatwoot v4 — open-source customer support platform. Self-host with Docker, integrate AI agents, connect multi-channels. Real benchmarks and production setup.

CC Switch is an open-source cross-platform desktop app that unifies Claude Code, Codex, Gemini CLI, OpenClaw, OpenCode & Hermes Agent management. 74K+ GitHub stars, Rust+Tauri stack, 50+ provider presets, unified MCP server sync. Full feature breakdown, setup guide, and workflow tips.

Caddy (Caddyserver) is a fast, extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS. Compatible with Docker, Let''s Encrypt, Prometheus, and Grafana. Covers Caddyfile tutorial, Docker setup, production hardening, and monitoring.

A complete guide to installing and running BookStack, the open-source documentation wiki with WYSIWYG + Markdown editing, book/chapter/page structure, and LDAP/SSO support. Self-hosted in under 5 minutes.

bat is a cat(1) clone with syntax highlighting and Git integration. Compatible with Rust, Git, Homebrew, Cargo. Covers installation, benchmark, configuration, and comparison with cat, less, ccat.

Atuin replaces shell history with a SQLite database, records command context (exit code, cwd, duration), and syncs encrypted history across machines. Supports Bash, Zsh, Fish, Nushell. Covers install, self-hosting, config, and Atuin vs mcfly vs fzf vs Hstr.

Complete guide to Appwrite 1.6 — self-hosted open-source backend with authentication, database, storage, functions, and real-time subscriptions. Docker setup, SDK integration, benchmarks, and production hardening.

Master aiohttp 3.11 for high-performance async web scraping in Python. Build scrapers handling 10K+ requests/second with session management, connection pooling, and production deployment.

Deploy AFFiNE v0.26.3 as a self-hosted Notion+Miro alternative. Local-first CRDT collaboration, edgeless whiteboard, AI writing assistant, Docker setup in 5 minutes.

Deploy Activepieces in 5 minutes. The open-source workflow automation platform with 200+ app integrations, AI actions, and a visual builder — at a fraction of Zapier's cost.

act (nektos/act) is a CLI tool that runs GitHub Actions locally using Docker containers. Compatible with Docker, GitHub Actions, Go, and VS Code. Covers installation, setup, secrets management, runner images, and production hardening.

Transform your terminal with zsh, tmux, fzf, ripgrep, and modern CLI alternatives. Step-by-step setup guide for macOS and Linux in 2025.

Compare Postman vs Insomnia vs Bruno in 2025. Find the best API testing tool with pricing, protocol support, Git integration, and migration guides.

Compare Grafana Loki, ELK, Datadog, New Relic, and open-source observability stacks. Setup guides, pricing, and benchmarks for developer monitoring in 2025.

Compare the top IaC tools of 2025. In-depth analysis of Terraform, Pulumi, AWS CDK, Crossplane, Puppet, and Ansible with feature comparison tables, pricing, security best practices, and FAQs.

Master Git workflow best practices for teams. Compare GitHub Flow, GitFlow, and trunk-based development with code review tools and collaboration platforms.

Master Docker development environment best practices in 2026. Learn dev containers, hot reload, multi-stage builds, and real-world docker-compose setups.

Explore modern code search tools from grep to ripgrep, fzf, sd, and Sourcegraph. Benchmarks, workflows, and setup guide for developer search in 2025.

Set up code quality tools for any language: ESLint, Prettier, Black, Ruff, golangci-lint, and rustfmt. Complete configs, CI integration, and pre-commit hooks.

Compare GitHub Actions, GitLab CI, and Jenkins for 2025. Side-by-side pricing, setup complexity, and feature breakdown to choose the right CI/CD platform.

Discover the best VS Code AI extensions for 2025. Compare GitHub Copilot, Codeium, Tabnine, Cody, and more with pricing, features, and privacy breakdowns.

Compare the top API gateway tools for developers in 2025. In-depth analysis of Kong, NGINX Plus, Traefik, Apigee, AWS API Gateway, and Tyk with performance benchmarks, feature tables, and FAQs.

Compare TablePlus, DBeaver, DataGrip, Beekeeper Studio, and more. Find the best database GUI client for your stack with pricing, features, and benchmarks.

Compare the best API documentation generation tools of 2025. In-depth analysis of Swagger, Postman Docs, ReadMe, Mintlify, Stoplight, and Redocly with feature comparison tables, pricing, and FAQs.

Scrapling review: Python stealthy web scraping library. Bypass anti-bot measures, handle dynamic content and scrape at scale with ease.

Discover Scanners-Box - a comprehensive collection of 200+ open-source cybersecurity tools for penetration testing, vulnerability scanning, and security research.

Discover Open Design, the open-source local-first alternative to Claude Design with 19 AI skills, 71 design systems, and multi-format export. Build prototypes, slides, videos & more.

Discover Open Codesign, the MIT-licensed open-source alternative to Claude Design. Multi-model AI design tool with BYOK, local-first architecture, and instant prototype generation from natural language prompts.

Discover the best AI tools of 2024. Complete directory of 200+ AI tools for writing, image generation, coding, marketing, and more. Free and paid options with detailed reviews.