Developer Tools

A free collection of fast browser utilities for developers, DevOps engineers and electrical engineers — QR codes, JWT, hashes and JSON along

from free

DSH Plugins

Browse 9500+ DeepSeek Harness plugins and dsh plugins — UI skins, tools, workflows and agents, searchable by category, GitHub stars and rece

Savyre

Real-World Assessment. Proven Engineering Capability.

HTTPeep

Free planFree trialfrom $29 one device or $49 two devices or Free

HTTPeep is a modern web debugging proxy and HTTP debugger built with Rust. Capture and inspect HTTPS traffic in real-time, intercept requests, apply rule-based forwarding, Mock local files, and overri

Pivio

Pivio is the desktop control room for Claude Code, Codex and OpenCode: run agents in parallel, schedule prompts, and steer it all from your phone.

Git2Docs

Turn your GitHub repos into accurate, audience-ready documentation. AI synthesizes guides and API references from your code, then keeps them current.

JSON Wallet

Free online JSON editor, formatter and validator. Format, validate, compare, repair, transform and URL encode/decode in your browser. No signup, no upload.

KitDecoder

Free online dev tools: Base64 encoder/decoder, JSON formatter, regex tester, hash & UUID generator. 100% client-side, nothing leaves your browser.

smartly

smartly turns a plain English sentence into one executable shell command. macOS and Linux, directory and git aware, four model providers, a --learn mode that explains the command, and auto-run by defa

Pragma

Pragma is a desktop workspace for running persistent, worktree-scoped coding agents.

Botmonster Tech

Hands-on experience with AI, self-hosting, Linux, and the developer tools Botmonster actually uses

JSON Viewer

Open, format, and explore JSON fast — even huge files. Private and in-browser.

Jevia

Route coding tasks to the right model, verify the result, and use real outcomes to improve the next decision.

Rill

Give Rill a website and a task. Watch the browser recording, inspect console and network diagnostics, and share the result.

Mac storage analysis and cleanup

Understand what is using your Mac's storage — System Data, caches, build artifacts and worktrees — then clean up only what can be rebuilt.

NextReset

Codex reset history, AI service incident links and a personal browser timer

Free planfrom Free

Remria

Your cloud computer, connected to your existing ChatGPT or Claude subscription.

DeltaReview

An automated, multi-language code review tool built to catch bugs, security risks, and structural issues instantly.

logPhase

The code is a byproduct. logPhase shows each pull request as the user journeys it changes, with the code behind every step.

AIGoCode 是面向开发者的 AI 生产力平台，提供代码辅助、智能问答、团队协作与订阅服务，帮助开发者提升研发效率。

from From 399 CNY

Vybright

Register for the Developer Preview. Your AI has the wrong type of memory. Vybright is shared semantic memory for AI coding agents: what code does and means.

DemoVine

DemoVine is a browser extension that captures your web app's actual UI as you click through it — no video required. Mix live UI captures, screenshots, and screen recordings in one demo, edit any scree

from $19

MacUp

Keep your command-line tools up to date, from the menu bar.

Also relevant

Tools that list this as a secondary category.

MCPVault

Directory & Listings

Discover, claim and verify MCP servers in an independent directory for the Model Context Protocol ecosystem.

Free planfrom Free

Chrome Goldmine

from $29 (now 20% discount for the first 100 users!)

Discover 9,600+ expired Chrome extensions across 6 categories. Find high-potential rebuild opportunities for indie makers in 2026.

Kinde

Security & Auth

Kinde is the all-in-one developer platform for authentication, access management and billing - secure and monetize your product from day one.

Free planFree trialfrom Free

WordPalette

A private, browser-only brand palette and identity generator. Design stunning color schemes, generate complete brand systems, and export ass

from Free

ShitFast

Free planFree trialfrom Free

An archive of landing pages that all read like one AI wrote them. Satirical roasts, scorecards, and brutally specific critiques of generic AI-generated startup sites.

LGTM — Looks Good To Meow

Project Management

Security-first AI code review that reads your whole repo, not just the diff

Free planFree trialfrom 349 INR

Ortu

Local-first, cross-platform clipboard history with images & files, paste stack, encryption and instant full-text search. Built with Rust + Tauri. Free, open source, zero telemetry.

DocsMint

Knowledge Base

AI-native knowledge workspace for people and agents

API LX

Developer APIs

Flexible provider access and game content management for iGaming businesses.

Adviserry

Adviserry reads everything your experts publish, weighs it against what you are building, and drafts the specific moves worth making this week. 7 days free.

Free trialfrom $49

EveryFileTool

Free planFree trialfrom $35

70+ free, private file tools that run directly in your browser.

Free planfrom Free

ReleasePad

Product Management

Changelog software that turns GitHub commits into release notes your users actually see — inside your app. Built for founders and teams who ship fast.

SlateDocs

Notes & Docs

Online Markdown editor — print-ready PDF, LaTeX, Mermaid & slides

Free planFree trialfrom Free (Premium ~€2/mo)

ExodeUI

Ditch static keyframes and fragmented timelines. ExodeUI is the first visual motion engine powered by real-time spring physics and state machines. Export to React and Swift.

ThumbmarkJS

Analytics

Enterprise-ready, GDPR-compliant visitor identification - without the enterprise price tag.

Free trialfrom $54 lifetime

FluentDB

Data & Databases

The AI Database Client for macOS

Visual Sentinel

Monitoring & Observability

Website monitoring that sees what breaks

Free planFree trialfrom Free; paid from $6/mo

MilestoneGenerator.com