Best Developer Tools and Resources

storagedaddy maps bulky builds, caches, node_modules and AI sessions on Apple silicon Macs. Scanning stays local, cleanup candidates are reviewed first, and nothing moves to Trash until you confirm. Open source and free during early access.

Copy data from modern single-page app grids into Excel without wrestling with awkward tables. GridGrab is a focused workflow aid for analysts and operators.

WaveXML auto-syncs Zoom / Sound Devices dual-system audio to camera footage via an XML round-trip for DaVinci Resolve, Adobe Premiere Pro, and Final Cut Pro. Drop FCP7 or FCPXML from your NLE, press Synchronize, then import the XML back and keep cutting. Built for wedding/event multi-cam, interview/doc boom+lav workflows, and anyone who used PluralEyes-style timeline sync. Free Mac and Windows beta — full app, no clip or feature limits. Local processing; no plugin; no upload.

uChecker is a bulk email checker for messy lists. Drop a .txt or .csv, one job can take up to 9 million addresses at about 3200 a minute. Results come back as Good, Bad and Risk. Anything that cannot be checked goes to Unknown, never counted as valid. The full mail-server reply is stored, so a deleted mailbox, a frozen account and an over-quota box stay three different outcomes. Dashboard app.uchecker.net, API api.uchecker.net/docs, Telegram @uchecker_bot, MCP uchecker.net/mcp.

HOL Guard is local-first runtime control for AI coding agents. It governs shell execution, secret-file reads, MCP server changes, and plugin/skill installs. Apache-2.0 open source by Hashgraph Online. Not a cloud MCP gateway.

A 34-file starter pack that gives Claude Code, Cursor, and similar agents senior-engineer discipline: a tuned CLAUDE.md, git hooks that block force-pushes and secret leaks, review subagents, and slash commands. Drops into any repo in minutes. One-time purchase, lifetime updates.

A development studio that publishes the real economics of fixed-fee software work: scope risk, change-order math, and why flat rates fail both sides. Case studies with actual numbers, not sales copy.

An open-source framework that turns Claude Code into an autonomous company: a tick loop with role subagents, human approval gates on money and outreach, and an append-only ledger. No platform. Your keys, your repo.

Prepare a structured, traceable CRA Article 14 report under pressure, without starting from a blank page. Operational kit for SME manufacturers: fill-in 24h / 72h / final forms (PDF, DOCX, ODT), field guides, playbook. Not legal advice. Filling the forms is not compliance and is not a notification submitted to authorities. Not approved or endorsed by ENISA, the European Commission or ACN. Launch price EUR 29. English pack is EN-only.

Free Open Graph debugger. Paste a page, see title, description, and card preview. Hosted OG cards for verified domains — 7-day trial, then $39/mo.

Clipy is a free online screen recorder for Mac, Chrome, and the web. Record your screen with audio, share an instant link, and avoid watermarks, viewer signup walls, and short free-tier recording caps.

Bit-level developer tools for hex, binary, decimal, and octal conversion with BigInt precision, plus register, float, and checksum utilities. Runs entirely in the browser.

SFT Studio Pro is a supervised fine-tuning dataset workspace for generating, reviewing, quality-checking, and exporting training corpora. It supports local JSONL workflows, OpenAI and DeepSeek formats, reasoning-model export templates, and free and paid tiers.

Download Skool videos from classrooms, community posts, and course modules. Bulk Skool video download skoolHarbor is a Chrome extension for saving videos from Skool.com before access changes, cohorts close, or lessons get removed. It works across classroom lessons, community posts, about pages, and course modules, then downloads supported videos as standard MP4 files directly to your computer.

SFT Studio Pro is a browser-based dataset workspace for supervised fine-tuning. Build projects, create golden examples, generate and audit batches, and export production-ready JSONL for SFT and LoRA workflows. Free tier plus paid dataset passes.

VeriWasp is an AI-powered playtesting tool for indie SaaS founders. Describe a user flow in plain English and it runs the test in a real browser using Claude. You get a video replay, console/network errors, and an accessibility scan, helping you catch broken flows before users do. No brittle test scripts required. It also offers a free accessibility scanner for quick website audits. Pay-per-use with cheap credits, designed for solo developers and small teams who ship fast.

Quick, private utilities for the everyday work that slows you down: images, PDFs, code, color and the math behind your money and health. Open one, get the job done, close the tab. No upload, no sign-up.

Prepare a structured, traceable CRA Article 14 report under pressure, without starting from a blank page. Operational kit for SME manufacturers: fill-in 24h / 72h / final forms (PDF, DOCX, ODT), field guides, playbook. Not legal advice. Filling the forms is not compliance and is not a notification submitted to authorities. Not approved or endorsed by ENISA. Launch price €29. English pack is EN-only.

Free browser-based toolkit to convert, format, and validate JSON, YAML, and TOML. Processing stays on your device — no signup and no file uploads.

R2Suites is a platform that helps WordPress users integrate Cloudflare R2 for secure, cost-effective cloud storage. Our flagship product, Cloudflare R2 Storage Manager Pro, provides private bucket integration, secure file delivery, media management, and a free Lite mode with an optional Pro trial (no credit card required). Feedback is always welcome!

Nohmo is all-in-one product analytics for teams building on web and mobile. Most teams stitch together three expensive tools — a product-analytics platform, a mobile attribution provider, and a crash reporter — each with its own SDK and its own bill. Nohmo replaces all three with a single SDK that works across React, Next.js, plain HTML/Django, and React Native (iOS + Android). Drop in one line of code and Nohmo automatically captures everything

PulseCheck tells you the second your site goes down — before your customers do. Add a URL, pick an interval, choose where alerts land: email and/or Slack. Setup takes under a minute. We check as often as every minute, tracking response times, missing keywords, and expiring SSL certificates. Alerts stay readable: one message on a state change, then a nudge every 45 minutes — no 3am spam.

SendHQ is an email API for verified-domain transactional sending, inbound email, delivery events, scoped API keys, and observable agent workflows.

ExtBid is a pay-to-rank leaderboard for Chrome extensions. Rank is the bid, not Web Store search or featuring. Listings link to the developer's Web Store page. Min bid $2, $1 increments, whole USD only, no refunds. Leaderboard Takeover: 2x the current #1 bid locks #1 for 3 hours. Rules: https://extbid.lol/rules

Self-hosting tutorials written from real outages: what breaks, what it costs to run, and which services are worth hosting yourself versus leaving to managed providers. Homelab receipts included.

A practical PDF with Databricks interview questions, clear answers, and focused preparation guidance.

An interactive tool for calculating discrete logarithms and exploring modular arithmetic.

Get a clear alert when an n8n workflow fails. Fail Alert helps operators spot broken automations quickly without adding noisy paid services.

TechTwitter is an alternative to Prduct Hunt and Hacker News. A witty technology newspaper rebuilt every four hours from news, product launches, jobs, and community discussion, with funny pages at the back.

R2 Membership is a native Cloudflare R2 membership platform for WordPress. Organize content into Libraries and Collections, create flexible membership plans, sell access with WooCommerce, and protect downloads through CR2SM Pro with secure signed URLs. Built with an enterprise-grade architecture for performance, scalability, and seamless Cloudflare R2 integration. see less