The directory — 100+ curated 2026 dev siteshttps://links.oriz.in/https://links.oriz.in/site/agents-md/https://links.oriz.in/site/agents-md/Open standard for repo-level agent instructions OpenAI + Google + Cursor + Amp + Factory. AAIF governance (146 members). Our AGENTS.md files follow this.https://links.oriz.in/site/agentskills-io/https://links.oriz.in/site/agentskills-io/SKILL.md open format for progressive-disclosure skills Backed by Agentic AI Foundation. Companion CLIs: skills.sh, skillshare, openskills.https://links.oriz.in/site/aider/https://links.oriz.in/site/aider/Terminal AI pair programmer, git-native, model-agnostic MIT, BYO API key. Runs anywhere with Python.https://links.oriz.in/site/anthropic-claude-docs/https://links.oriz.in/site/anthropic-claude-docs/Canonical Claude/Anthropic API + Claude Code docs docs.claude.com primary; docs.anthropic.com legacy alias. Essential for our CC stack.https://links.oriz.in/site/awesome-mcp-servers/https://links.oriz.in/site/awesome-mcp-servers/Largest curated MCP directory Referenced by mcp.so and Glama. Community-driven canon.https://links.oriz.in/site/cline/https://links.oriz.in/site/cline/Open-source coding agent, MCP-native, cross-editor Apache 2.0. VS Code + CLI + JetBrains + Cursor + Windsurf + Zed + Neovim. ACP standard-holder.https://links.oriz.in/site/glama-mcp/https://links.oriz.in/site/glama-mcp/Largest verified MCP registry with quality grades Superset of official registry. Every server verified + rebuilt + quality-scored.https://links.oriz.in/site/groq/https://links.oriz.in/site/groq/Fastest hosted inference with real no-card free tier Free tier no card: 30 RPM, 14,400 RPD, 500K tokens/day. Llama 3.3 70B at 276 t/s.https://links.oriz.in/site/model-context-protocol/https://links.oriz.in/site/model-context-protocol/Canonical MCP spec, now Linux Foundation-governed Latest spec at /specification/latest. Blog at blog.modelcontextprotocol.io.https://links.oriz.in/site/ollama/https://links.oriz.in/site/ollama/Local LLM runner with auto GPU detection Native Windows installer via winget. OpenAI-compatible endpoint.https://links.oriz.in/site/opencode/https://links.oriz.in/site/opencode/Terminal AI agent, 75+ providers By Anomaly (SST team). MIT. Windows-native. Displaced Claude Code as top-starred OSS agent.https://links.oriz.in/site/smithery/https://links.oriz.in/site/smithery/MCP registry + hosted runtime Registry free; hosted MCP paid. Registry API at smithery.ai/docs/registry.https://links.oriz.in/site/cassidy-williams/https://links.oriz.in/site/cassidy-williams/GitHub Sr DevRel director; warm accessible frontend + career Regular cadence, strong newsletter tie-in.https://links.oriz.in/site/dan-abramov-overreacted-io/https://links.oriz.in/site/dan-abramov-overreacted-io/React thinker on atproto, RSC, Lean Thoughtful and idiosyncratic. Active 2026.https://links.oriz.in/site/drew-devault/https://links.oriz.in/site/drew-devault/FOSS conscience blog (SourceHut, Hare) Opinionated but technically substantive. FOSS politics + systems.https://links.oriz.in/site/fabien-sanglard/https://links.oriz.in/site/fabien-sanglard/Gold standard for retro-computing archaeology Meticulous, illustrated. Irreplaceable for game engine internals.https://links.oriz.in/site/josh-comeau/https://links.oriz.in/site/josh-comeau/Best-in-class CSS + animation interactive tutorials Low volume, reference-quality. Subgrid, linear(), animation-timeline API deep dives.https://links.oriz.in/site/julia-evans/https://links.oriz.in/site/julia-evans/Legendary explainer of Unix, networking, Git, CSS Gold standard for accessible systems writing. Monthly cadence.https://links.oriz.in/site/marc-brooker/https://links.oriz.in/site/marc-brooker/AWS principal on distributed systems + agent safety Production scale + formal rigor + clear prose. Essential.https://links.oriz.in/site/nikita-prokopov-tonsky/https://links.oriz.in/site/nikita-prokopov-tonsky/Clojure + UI design + typography opinions Consistently high-signal, visual craft.https://links.oriz.in/site/oxide-computer-blog/https://links.oriz.in/site/oxide-computer-blog/Best hardware + Rust + distributed-systems writing Corporate but individual-authored. Rare production+rigor combo.https://links.oriz.in/site/rachel-by-the-bay/https://links.oriz.in/site/rachel-by-the-bay/SRE/systems war stories from ex-Facebook engineer Terse, HN-front-page regular. Pairs with Dan Luu archive.https://links.oriz.in/site/simon-willison/https://links.oriz.in/site/simon-willison/Best real-time source on generative-AI tooling Multiple posts per day on LLMs, coding agents, Datasette, Python. Essential for AI/agent-era tracking.https://links.oriz.in/site/xe-iaso/https://links.oriz.in/site/xe-iaso/High-cadence infra + AI + Anubis anti-bot Essential for modern anti-scraping and Go infra.https://links.oriz.in/site/advent-of-code/https://links.oriz.in/site/advent-of-code/Annual December puzzle event Scaled to 12 puzzles + no global leaderboard in 2025 due to AI solvers and DDoS. Private leaderboards still work. Free.https://links.oriz.in/site/atcoder/https://links.oriz.in/site/atcoder/Japan-origin platform with weekly high-quality contests ABC/ARC/AGC/AHC lineups. Strict AI rules on ARC/AGC.https://links.oriz.in/site/codechef/https://links.oriz.in/site/codechef/Weekly Starters + monthly rated contests Core contests free. Pivoted heavily toward student placement prep.https://links.oriz.in/site/codeforces/https://links.oriz.in/site/codeforces/Dominant competitive programming platform Multiple rated rounds weekly. Explicit AI-use restrictions during main contests.https://links.oriz.in/site/cses-problem-set/https://links.oriz.in/site/cses-problem-set/Canonical structured problem set by Antti Laaksonen Not a contest platform — the algorithm learning problem set. No ads, no card.https://links.oriz.in/site/hackerearth/https://links.oriz.in/site/hackerearth/Community contests remain free for participants Firmly pivoted to B2B hiring/assessment. HourStorm + monthly circuits still free.https://links.oriz.in/site/kaggle-competitions/https://links.oriz.in/site/kaggle-competitions/ML + reasoning benchmark competitions More active than ever in 2026. Free with GPU/TPU notebook quotas.https://links.oriz.in/site/project-euler/https://links.oriz.in/site/project-euler/Math-oriented programming puzzles, approaching problem 1000 Removed leaderboard due to cheating, adding rolling rank table. Free.https://links.oriz.in/site/spoj/https://links.oriz.in/site/spoj/20K+ problem free archive across 60+ languages Maintenance mode — no major new contests since 2022. Still a valuable practice archive.https://links.oriz.in/site/topcoder/https://links.oriz.in/site/topcoder/Marathon Match + AI/crowdsourcing challenges Under Wipro. Pivoting to AI challenges vs classic SRMs. Community thinner than peak years.https://links.oriz.in/site/astro-docs/https://links.oriz.in/site/astro-docs/Astro framework official docs Starlight-based, ships doc updates same day as releases. Rust compiler rewrite in progress.https://links.oriz.in/site/bun-docs/https://links.oriz.in/site/bun-docs/Fast all-in-one JS/TS toolkit powering Claude Code Powers Claude Code + Claude Agent SDK. Bun.markdown.ansi, headless browser automation.https://links.oriz.in/site/cloudflare-docs/https://links.oriz.in/site/cloudflare-docs/Workers/Pages/R2/D1/Queues/KV canonical docs High signal for edge-first stack. Ships changelog per product.https://links.oriz.in/site/devdocs/https://links.oriz.in/site/devdocs/Offline-capable multi-language API aggregator 100+ sources. MCP integration in 2026 lets agents query pinned versions.https://links.oriz.in/site/mdn-web-docs/https://links.oriz.in/site/mdn-web-docs/Canonical web platform reference Source of truth for browser-compat-data. Rock solid.https://links.oriz.in/site/node-js-docs/https://links.oriz.in/site/node-js-docs/Official Node runtime docs API reference per LTS/Current.https://links.oriz.in/site/pnpm-docs/https://links.oriz.in/site/pnpm-docs/Workspace-first package manager docs Fast hardlink-based, monorepo-friendly.https://links.oriz.in/site/python-docs/https://links.oriz.in/site/python-docs/PSF-official stdlib + language spec Authoritative. Multiple version selectors.https://links.oriz.in/site/react-docs-react-dev/https://links.oriz.in/site/react-docs-react-dev/Current canonical React docs Learn + Reference split with interactive sandboxes.https://links.oriz.in/site/rust-book/https://links.oriz.in/site/rust-book/Canonical Rust learning resource, ships with each release Well-edited, versioned with the language.https://links.oriz.in/site/tailwind-docs/https://links.oriz.in/site/tailwind-docs/Tailwind CSS v4 CSS-first config docs Utility-first reference. Rust/Oxide engine.https://links.oriz.in/site/typescript-handbook/https://links.oriz.in/site/typescript-handbook/Official TS docs, handbook, playground Standard reference.https://links.oriz.in/site/web-dev/https://links.oriz.in/site/web-dev/Google Chrome team performance + best-practices Prescriptive how-to on Core Web Vitals, PWAs. Complements MDN.https://links.oriz.in/site/bytebytego/https://links.oriz.in/site/bytebytego/Alex Xu's visual system design content YouTube channel + newsletter fully free — top free system-design content in 2026. Paid courses optional.https://links.oriz.in/site/educative-io/https://links.oriz.in/site/educative-io/Text-based interactive courses; Grokking series 7-day trial no card. GitHub Student Pack unlocks 6mo free — meets card-free rule for students.https://links.oriz.in/site/exponent/https://links.oriz.in/site/exponent/Peer-to-peer mocks + PM/EM/SWE courses Absorbed Pramp fully by 2024. Peer mocks free after signup. Broader than SWE-only competitors.https://links.oriz.in/site/hackerrank/https://links.oriz.in/site/hackerrank/Free skill certs + structured practice Developer side remains strong free option. Question-bank leaks + 2026 ATS controversy dented recruiter trust.https://links.oriz.in/site/hiredintech/https://links.oriz.in/site/hiredintech/Free algorithms + system design frameworks Migrated to static; interactive grading gone but readable course material and system-design canvas remain.https://links.oriz.in/site/leetcode/https://links.oriz.in/site/leetcode/Industry-default algorithm/DS practice Free tier covers most FAANG DSA prep. Premium ($35/mo) unlocks company tags. Still standard for junior/mid despite AI-assisted interview shift.https://links.oriz.in/site/neetcode/https://links.oriz.in/site/neetcode/Curated roadmaps that structure LeetCode's chaos Free NeetCode 150 + Blind 75 + YouTube walkthroughs cover ~95% of patterns. Pro lifetime $219 one-time (no recurring card) is the card-free alternative to AlgoExpert.https://links.oriz.in/site/system-design-primer/https://links.oriz.in/site/system-design-primer/Canonical free system design reference 296 open PRs backlog but base content remains the free canon. Anki flashcards included.https://links.oriz.in/site/systemdesign-one/https://links.oriz.in/site/systemdesign-one/Free system design case studies Neo Kim's article archive. Solid supplementary reading with clean diagrams.https://links.oriz.in/site/4dayweek-io/https://links.oriz.in/site/4dayweek-io/Only board for reduced-hours roles Niche but well-maintained. Useful filter if work-life balance is hard requirement.https://links.oriz.in/site/hacker-news-who-s-hiring/https://links.oriz.in/site/hacker-news-who-s-hiring/Monthly direct-from-hiring-manager thread Startup-heavy, YC-dominated. Signal-to-noise unmatched. Ephemeral format demands quick action.https://links.oriz.in/site/hnhiring-com/https://links.oriz.in/site/hnhiring-com/Searchable index of HN Who's Hiring back to 2018 Filter by location/tech/remote. Makes ephemeral HN threads permanent.https://links.oriz.in/site/instahyre/https://links.oriz.in/site/instahyre/India-focused passive hiring Strong for engineers targeting Indian startups + FAANG India.https://links.oriz.in/site/linkedin-jobs/https://links.oriz.in/site/linkedin-jobs/Largest professional platform by volume Must-use for reach despite recruiter spam. AI-powered search in 2026.https://links.oriz.in/site/remoteok/https://links.oriz.in/site/remoteok/Pieter Levels' remote firehose Volume over curation. #OpenSalaries branding but most lack salary.https://links.oriz.in/site/we-work-remotely/https://links.oriz.in/site/we-work-remotely/Employer-paid remote board since 2011 Real companies only, no recruiter noise. Free to browse and apply.https://links.oriz.in/site/welcome-to-the-jungle/https://links.oriz.in/site/welcome-to-the-jungle/Curated tech-focused matching Otta merged Jan 2024. Strong for UK/EU/London/NYC/SF.https://links.oriz.in/site/wellfound/https://links.oriz.in/site/wellfound/Ex-AngelList Talent, startup-focused Fully independent post-2022 rebrand. Direct founder access. Caveat: most applications expire unread.https://links.oriz.in/site/work-at-a-startup/https://links.oriz.in/site/work-at-a-startup/YC's official board - single-profile apply to 1000+ YC startups Unique access to funded companies pre-Series B. Founders reach out directly.https://links.oriz.in/site/boot-dev/https://links.oriz.in/site/boot-dev/Backend-focused Go/Python/SQL path Content free to watch; interactive exercises gated ($49/mo). Passive learning genuinely free.https://links.oriz.in/site/cs50-edx-harvard/https://links.oriz.in/site/cs50-edx-harvard/Canonical CS intro, CS50-issued cert free 7.1M enrollments. Free cert available from CS50 directly (edX verified cert is paid).https://links.oriz.in/site/deeplearning-ai/https://links.oriz.in/site/deeplearning-ai/Andrew Ng's short-course library, mostly free 88+ short courses co-produced with OpenAI/Anthropic/Google/LangChain. Free short-course library alone is best free GenAI resource.https://links.oriz.in/site/fast-ai/https://links.oriz.in/site/fast-ai/Top-down practical deep learning by Jeremy Howard 70-80 hours, PyTorch-based. Annually revised. Best free applied DL course.https://links.oriz.in/site/freecodecamp/https://links.oriz.in/site/freecodecamp/Fully free nonprofit curriculum, donation-funded Best-in-class free learning. 12+ certs, ~1,800 hours. Matches donations-only rule.https://links.oriz.in/site/fullstack-open/https://links.oriz.in/site/fullstack-open/University of Helsinki modern JS full-stack course Modern stack (Vite, Vitest, React Query). 5-14 ECTS credits available. Best free JS full-stack deep dive.https://links.oriz.in/site/kaggle-learn/https://links.oriz.in/site/kaggle-learn/Free micro-courses + free GPU/TPU notebooks 30h GPU + 20h TPU per week free. No card. Best zero-cost ML entry.https://links.oriz.in/site/khan-academy/https://links.oriz.in/site/khan-academy/Entirely free nonprofit, beginner-focused No card ever. Beginner onboarding; less depth than freeCodeCamp/TOP.https://links.oriz.in/site/learn-git-branching/https://links.oriz.in/site/learn-git-branching/Interactive Git visualization sandbox Client-side JS, no account. MIT, self-hostable. Unmatched for Git intuition.https://links.oriz.in/site/mdn-learn/https://links.oriz.in/site/mdn-learn/Canonical web platform learning path Core free, MDN Plus optional. Reference-plus-tutorial hybrid.https://links.oriz.in/site/roadmap-sh/https://links.oriz.in/site/roadmap-sh/Free interactive roadmaps for 75+ roles Community-driven on GitHub. Best orientation tool. No paywall.https://links.oriz.in/site/the-odin-project/https://links.oriz.in/site/the-odin-project/Fully free open-source full-stack curriculum No premium tier ever. Ruby on Rails + JS/Node paths. Emphasizes real dev workflows (Git, terminal, local setup).https://links.oriz.in/site/acm-technews/https://links.oriz.in/site/acm-technews/Academic/industry news digest Confirmed alive; 403s to bots but publishing normally. Free email digest.https://links.oriz.in/site/ars-technica/https://links.oriz.in/site/ars-technica/Deep tech + security + policy news Free tier readable; subscription optional for ad-free. Higher depth than Verge/CNET.https://links.oriz.in/site/changelog/https://links.oriz.in/site/changelog/Long-running podcast network for developers Go Time, JS Party, Ship It, Practical AI. Ad-supported, free.https://links.oriz.in/site/dev-to/https://links.oriz.in/site/dev-to/Community aggregation + fresh tutorials Free, no card.https://links.oriz.in/site/hacker-news/https://links.oriz.in/site/hacker-news/Default tech news firehose, comment-forward No signup to read. Anti-corporate, high-signal front page. Free.https://links.oriz.in/site/hacker-newsletter/https://links.oriz.in/site/hacker-newsletter/Weekly hand-curated HN digest since 2010 60K+ readers, zero paywall. Skim-friendly alternative to doomscrolling HN.https://links.oriz.in/site/infoq/https://links.oriz.in/site/infoq/Enterprise architecture + QCon coverage Free content plentiful; paid certs optional. Enterprise-software focused.https://links.oriz.in/site/lobsters/https://links.oriz.in/site/lobsters/Higher-signal invite-only alternative to HN Invite-only keeps quality high. Free.https://links.oriz.in/site/the-pragmatic-engineer/https://links.oriz.in/site/the-pragmatic-engineer/Deep engineering leadership newsletter Core paywalled ($15/mo). Free tier ~1 issue/month. Marginal on card-free rule; keep free-tier only.https://links.oriz.in/site/the-register/https://links.oriz.in/site/the-register/Sharp UK enterprise IT news Blocks AI training bots, allows human readers. Free, ad-supported.https://links.oriz.in/site/tldr-tech/https://links.oriz.in/site/tldr-tech/5-minute daily digest across AI/Web Dev/InfoSec 1.6M readers, ad-supported. Multiple verticals. Free.https://links.oriz.in/site/bundlephobia/https://links.oriz.in/site/bundlephobia/npm bundle-size analyzer Still the standard pre-install check. Maintenance-mode-ish.https://links.oriz.in/site/caniuse/https://links.oriz.in/site/caniuse/Browser support tables for HTML5/CSS/JS APIs Authoritative baseline for feature-detection decisions. Feeds shields.io, PostCSS.https://links.oriz.in/site/compiler-explorer/https://links.oriz.in/site/compiler-explorer/Interactive compiler/assembly explorer for 60+ languages Community-supported. Indispensable for perf-critical code work.https://links.oriz.in/site/cyberchef/https://links.oriz.in/site/cyberchef/Encoding/encryption Swiss army knife by GCHQ Open source, browser-only, data never leaves your machine.https://links.oriz.in/site/diagrams-net-draw-io/https://links.oriz.in/site/diagrams-net-draw-io/Apache 2.0 canvas-based diagramming No Enterprise gating. Browser + desktop, no signup. Go-to for architecture sketches, C4.https://links.oriz.in/site/excalidraw/https://links.oriz.in/site/excalidraw/MIT hand-drawn whiteboard for developers Free core enough for most work. Excalidraw+ optional cloud persistence.https://links.oriz.in/site/jsoncrack/https://links.oriz.in/site/jsoncrack/Open-source JSON/YAML/CSV/XML to graph visualization Free web version; Premium $6/mo. Modular architecture in v5.https://links.oriz.in/site/pkg-pr-new/https://links.oriz.in/site/pkg-pr-new/Continuous npm preview releases per commit/PR StackBlitz-Labs maintained. Standard for library authors now.https://links.oriz.in/site/ray-so/https://links.oriz.in/site/ray-so/Fresher Carbon alternative for code screenshots 17 themes, 50+ languages, PNG. Prefer over Carbon (dormant since Dec 2024).https://links.oriz.in/site/regex101/https://links.oriz.in/site/regex101/Multi-flavor regex tester with match explanations PCRE2/JS/Python/Go/Java/.NET. Savable library with account. Privacy caveat: keystrokes sent server-side.https://links.oriz.in/site/sharex/https://links.oriz.in/site/sharex/GPL Windows screenshot + upload automation 80+ upload destinations. Best-in-class Windows tool for our corp-laptop context.https://links.oriz.in/site/tldraw/https://links.oriz.in/site/tldraw/Free web whiteboard with instant collaboration Free canvas; SDK paid for commercial multiplayer embed.https://links.oriz.in/site/transform-tools/https://links.oriz.in/site/transform-tools/Zero-signup multi-format converter JSON to TS/GraphQL/Zod/Go, SVG to JSX, HTML to Pug. Indispensable for one-off schema conversions.https://links.oriz.in/site/coderanch/https://links.oriz.in/site/coderanch/Old-school moderated Java forum still active in niches Formerly JavaRanch. Java/OCP-cert focused. Free.https://links.oriz.in/site/dev-community/https://links.oriz.in/site/dev-community/Active Forem-powered dev blog + Q&A network 3.97M members, lighter-weight than SO for tutorials and opinion pieces. Fully free, no card.https://links.oriz.in/site/devrant/https://links.oriz.in/site/devrant/Dev humor/venting community still active Alive despite the rumors. Low volume vs 2020 peak. Free.https://links.oriz.in/site/discord-dev-communities/https://links.oriz.in/site/discord-dev-communities/Real-time help across Rust, Python, Reactiflux, framework servers Not a stuck-help site itself but hosts thousands of dev communities. Best for real-time help. Free.https://links.oriz.in/site/exercism/https://links.oriz.in/site/exercism/Free mentored practice in 83 languages, donation-funded 100% free forever, nonprofit. 8,521+ exercises, human mentor review. Matches our donations-only rule perfectly.https://links.oriz.in/site/reddit-r-experienceddevs/https://links.oriz.in/site/reddit-r-experienceddevs/Senior-engineer venue post-Blind decline Highest-signal senior-dev sub. r/programming and r/learnprogramming also worth following. Free.https://links.oriz.in/site/software-engineering-se/https://links.oriz.in/site/software-engineering-se/Design/architecture Q&A where SO closes as opinion-based Conceptual Q&A companion to Stack Overflow's implementation focus.https://links.oriz.in/site/stack-exchange-network/https://links.oriz.in/site/stack-exchange-network/183+ topical Q&A sites beyond SO Superuser, ServerFault, Unix.SE, DBA.SE, Code Review. Free.https://links.oriz.in/site/stack-overflow/https://links.oriz.in/site/stack-overflow/Still the default Q&A archive with 24M+ questions indexed Traffic declined post-ChatGPT but the answer archive remains authoritative for JS/Python/Rust/TS. No card ever. Signup only needed to ask/answer.