ItsEvilDuck

Free web apps shipped by one duck with a hard hat. Crypto payments, AI video, Polymarket dashboards, and cartoons that pay sats. Quack. 🦆 quackbuilds.com

United states Joined on Apr 24, 2026 itsevilduck@quackbuilds.com https://www.quackbuilds.com

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Carpenter by day vibecoder by night

Pinned

ItsEvilDuck

Apr 28

The payments inversion — building a Lightning revenue-share loop where the app pays the user

#showdev #webdev #bitcoin #lightning

7 min read

ItsEvilDuck

Sep 3

Shipped: Unstuck Micro-Planner for Breaking Down Tasks

#productivity #tools #buildinpublic

1 min read

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ItsEvilDuck

Sep 2

Released: AI-Generated Group Selfie Prompt Template

#ai #prompts #imaging #tool

1 min read

ItsEvilDuck

Sep 1

SaaS Revenue Tracker: A Python Script for Subscription Growth

#python #saas #startup #analytics

1 min read

ItsEvilDuck

Sep 1

Scroll-Stop Ad Copy Generator Prompt for High-Impact Ads

#marketing #copywriting #ai #prompt

1 min read

ItsEvilDuck

Aug 31

AI App Icon Generator for Professional B2B Tools

#ai #design #developertools #promptengineering

1 min read

ItsEvilDuck

Aug 31

Python Service Monitor & Restart Logic Snippet

#python #devops #automation #scripting

1 min read

ItsEvilDuck

Aug 30

Shipped: ChatGPT Image Prompt Keywords List

#ai #prompts #chatgpt #images

1 min read

ItsEvilDuck

Aug 30

Shipped: Uncanny Valley Image Generator Prompt

#ai #prompts #imagegeneration #tools

1 min read

ItsEvilDuck

Aug 30

Market Surge Explainer Prompt: Analyze Product Popularity Shifts

#product #analysis #tools #marketing

1 min read

ItsEvilDuck

Aug 29

Creator Paywall & Donation Tracker: A Python Script for Indie Creators

#python #creatoreconomy #indiedev #scripting

1 min read

ItsEvilDuck

Aug 27

Shipped: Distraction Filter Prompt for AI Models

#ai #prompts #productivity #tools

1 min read

ItsEvilDuck

Aug 27

API Paginator & Data Extractor: Practical API Interaction

#python #api #webdev #programming

1 min read

ItsEvilDuck

Aug 27

Shipped: ChatGPT Super Prompt Framework for Consistent Results

#chatgpt #ai #prompts #tools

1 min read

ItsEvilDuck

Aug 26

Notion AI Credit Saver Prompt Guide: Use AI More Efficiently

#notion #ai #productivity #prompts

1 min read

ItsEvilDuck

Aug 25

Shipped: Python Deep Dive Study Buddy Prompt

#python #ai #learning #tools

1 min read

ItsEvilDuck

Aug 24

Project Momentum Builder: A Python Script for Daily Task Breakdown

#python #productivity #cli #tool

1 min read

ItsEvilDuck

Aug 24

Daily Energy & Task Planner: A Python Script for Post-Work Prioritization

#python #productivity #planning #automation

1 min read

ItsEvilDuck

Aug 23

Notion Micro-Habit Momentum Tracker: Track Tiny Daily Actions

#notion #productivity #habits #tracker

1 min read

ItsEvilDuck

Aug 23

Solo Founder's Marketing-Build Focus Prompt Shipped

#solofounder #marketing #productivity #buildtrap

1 min read

ItsEvilDuck

Aug 22

ChatGPT Persona Manager: Switch Custom Personas

#ai #productivity #developertools #chatgpt

1 min read

ItsEvilDuck

Aug 22

AI Output Safety & Ethics Review Prompt by QuackBuilds

#ai #promptengineering #ethics #llm

1 min read

ItsEvilDuck

Aug 22

WFH Routine Energizer: A Python Script for Daily Activity Prompts

#python #wfh #productivity #script

1 min read

ItsEvilDuck

Aug 21

Shipped: Cyber-Feudal Utopia Worldbuilder Prompt

#ai #worldbuilding #prompts #fiction

1 min read

ItsEvilDuck

Aug 21

Shipped: Python Practice Problem Generator for Beginners

#python #programming #beginners #practice

1 min read

ItsEvilDuck

Aug 21

Advanced CS MOOC Navigator: Find Your Next Structured Learning Path

#programming #education #learning #developers

1 min read

ItsEvilDuck

Aug 20

Estimate AI Feature Costs for Your SaaS

#saas #ai #costestimation #developertools

1 min read

ItsEvilDuck

Aug 19

Focus Sprint Starter: Block Distractions & Start Fast Script

#productivity #tools #script #focus

1 min read

ItsEvilDuck

Aug 19

Pygame ModernGL Basic 3D Triangle Starter

#python #pygame #openggl #graphics

1 min read

ItsEvilDuck

Aug 19

VSCode GitHub Token Scanner

#security #vscode #github

1 min read

ItsEvilDuck

Aug 19

The Sats Channel: Watch Cartoons, Earn Bitcoin

#bitcoin #lightningnetwork #sidehustle #webapp

1 min read

ItsEvilDuck

Aug 18

Released: AI Authorship Detector Prompt

#ai #writing #prompts #tools

1 min read

ItsEvilDuck

Aug 18

Shipped: AI SaaS Marketing Strategy Generator

#saas #marketing #ai #product

1 min read

ItsEvilDuck

Aug 17

New AI Prompt: Comfort to Impact Dev Prompt

#ai #developer #productivity #promptengineering

1 min read

ItsEvilDuck

Aug 17

Python ML Quickstart: Roadmap & First Model

#python #machinelearning #beginners #scikitlearn

1 min read

ItsEvilDuck

Aug 17

Interactive Text Adventure Starter: A Python Snippet for Beginners

#python #gamedev #beginners #textadventure

1 min read

ItsEvilDuck

Aug 16

Micro-Start Goal Deconstructor

#productivity #goalsetting #taskmanagement

1 min read

ItsEvilDuck

Aug 16

Notion Formulas for Beginners

#notion #productivity #formulas

1 min read

ItsEvilDuck

Aug 15

Shipped: AI Image Anomaly Detector Prompt for Multimodal AIs

#ai #prompts #tools

1 min read

ItsEvilDuck

Aug 15

Python Properties: Understanding @property Decorators

#python #programming #oop #decorators

1 min read

ItsEvilDuck

Aug 14

The Digital Overlord: An AI Coach for Phone Addiction

#ai #productivity #addiction #prompt

1 min read

ItsEvilDuck

Aug 14

Released: Cheapest Shipping Cost Calculator

#shipping #tools #utility #costs

1 min read

ItsEvilDuck

Aug 14

Daily Micro-Habit Progress Tracker for Notion Shipped

#notion #productivity #habits #tools

1 min read

ItsEvilDuck

Aug 13

Presence Anchor AI Prompt for AI-Guided Grounding

#ai #promptengineering #mentalhealth #wellness

1 min read

ItsEvilDuck

Aug 13

New Tool: SaaS Validation & Landing Page Prompt

#saas #validation #landingpage #startup

1 min read

ItsEvilDuck

Aug 13

Shipped: Habit Automation & Activation Cost Reducer Prompt

#productivity #habits #tools #building

1 min read

ItsEvilDuck

Aug 11

Digital Detox Timer: A Python Script to Block Distracting Websites

#python #productivity #distraction #tool

1 min read

ItsEvilDuck

Aug 11

Chore-to-Freedom Analyzer Prompt: Reclaim Your Time

#productivity #ai #lifehacks #automation

1 min read

ItsEvilDuck

Aug 11

Morning Task Prioritizer: Tackle Your Backlog First

#productivity #tools #taskmanagement #developer

1 min read

ItsEvilDuck

Aug 10

Daily Python Practice Logger

#python #learning #tracker

1 min read

ItsEvilDuck

Aug 10

Python No-Op Method Convention Snippet

#python #snippet #coding #development

1 min read

ItsEvilDuck

Aug 10

Python Learning Tracker

#python #learning #productivity

1 min read

ItsEvilDuck

Aug 9

Shipped: Notion Formula for Habit Consistency Tracking

#notion #productivity #habits #tools

1 min read

ItsEvilDuck

Aug 9

Indie Hacker Reality Check Prompt – Reframe success narratives

#productivity #indiehacking #prompt

1 min read

ItsEvilDuck

Aug 9

Haven & Hearth – A 3D renovation puzzle game

#puzzle #indie #webapp #games

1 min read

ItsEvilDuck

Aug 8

New Tool: SaaS Valuation and Time ROI Calculator

#saas #startup #valuation #roi

1 min read

ItsEvilDuck

Aug 8

Shipped: Reddit Ad Kickstart for New SaaS Founders

#saas #marketing #reddit #prompts

1 min read

ItsEvilDuck

Aug 8

Sales Commission Split Calculator for Agencies

#sales #commission #calculator #business

1 min read

ItsEvilDuck

Aug 7

Challenger Detector

#competitors #startup #market

1 min read

ItsEvilDuck

Aug 7

Shipped: Skill-Stacking Hobby Finder Prompt

#hobbies #productivity #personalgrowth #tools

1 min read

ItsEvilDuck

Aug 7

Zero-Resistance Starter Prompt: Start Any Task Effortlessly

#productivity #promptengineering #gettingstarted #tools

1 min read

4 Week Community Wellness Streak

2 Week Community Wellness Streak

1 Week Community Wellness Streak

Writing Debut

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