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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Work

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

Nov 2

SaaS Partner Scout: A Script for Identifying GitHub SaaS Project Contributors

#github #saas #script #tool

1 min read

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ItsEvilDuck

Nov 2

Python Function to Extract Reddit Submitter Usernames

#python #reddit #datacleaning #regex

1 min read

ItsEvilDuck

Nov 2

Shipped: Python Quick Quiz CLI for Basic Concept Testing

#python #cli #beginners #quiz

1 min read

ItsEvilDuck

Nov 2

FocusTimerWithRewards: A React Component for Gamified Focus Tracking

#react #nextjs #components #indiebuilding

1 min read

ItsEvilDuck

Nov 2

Python Quick Quiz CLI: Lightweight CLI Tool for Beginner Python Learning

#python #cli #learning

1 min read

ItsEvilDuck

Nov 1

Notion iPad Pro Review Prompt: Generate Balanced Assessments

#notion #ipad #productivity #prompt

1 min read

ItsEvilDuck

Nov 1

ChatGPT Prompt: Poor Sam Story Generator with Moral

#chatgpt #writing #promptengineering #ai

1 min read

ItsEvilDuck

Oct 31

PortScan Alert: Script for Server Open Port Security

#security #scripting #linux #sysadmin

1 min read

ItsEvilDuck

Oct 30

Released: Python Learning Path Generator

#python #learning #development

1 min read

ItsEvilDuck

Oct 30

Shipped: Ambient Noise Filter Python Script

#python #audio #utility

1 min read

ItsEvilDuck

Oct 29

Universal JSON Extractor Prompt – Consistent JSON from Any Text

#json #automation #promptengineering

1 min read

ItsEvilDuck

Oct 29

ElevenLabs AI Voice SEO Keyword Extractor Shipped

#seo #ai #contentstrategy #tts

1 min read

ItsEvilDuck

Oct 29

Dev Context Switcher: A Prompt to Reduce Switching Fatigue

#dev #productivity #ai

1 min read

ItsEvilDuck

Oct 28

Stoplist: Identify Time-Wasting Tasks – A Quick Python Script

#productivity #python #scripts

1 min read

ItsEvilDuck

Oct 28

Automate Pillow System Library Installation on Linux

#python #linux #developertools #scripting

1 min read

ItsEvilDuck

Oct 28

New Tool: Complexity Impact Prompt for OpenAI's Discovery

#complexity #research #chatgpt #ai

1 min read

ItsEvilDuck

Oct 28

Concise AI Answer Prompt: Get Direct Responses

#ai #prompts #productivity #tools

1 min read

ItsEvilDuck

Oct 28

Notion Showcase Post Generator: Craft Reddit Titles and Descriptions

#notion #reddit #tools #indiebuilding

1 min read

ItsEvilDuck

Oct 28

Python Learning Buddy Matcher: Pair with a Random Study Partner

#python #studytools #learning

1 min read

ItsEvilDuck

Oct 27

AI Timeline Generator: Chronological Event Timelines

#ai #developertools #productivity #history

1 min read

ItsEvilDuck

Oct 27

AI Cybersecurity Checklist Generator Launched

#security #ai #productivity #tools

1 min read

ItsEvilDuck

Oct 27

Shipped: Cyberattack Preparedness Checklist Generator

#security #tools #indiehacking

1 min read

ItsEvilDuck

Oct 27

Shipped: First Client Social Post Generator for SaaS Founders

#saas #buildinpublic #marketing #tools

1 min read

ItsEvilDuck

Oct 27

Shipped: Instant Micro-Win Task Generator

#productivity #tools #indiehacking

1 min read

ItsEvilDuck

Oct 26

Shipped: Tiny Task Starter AI Prompt

#ai #productivity #tools #indiehacking

1 min read

ItsEvilDuck

Oct 26

Shipped: Dumpling Counter Prompt for Image Counting Tasks

#ai #promptengineering #tool #counting

1 min read

ItsEvilDuck

Oct 26

Shipped: Lucky Star Number Generator

#tool #utility #generator

1 min read

ItsEvilDuck

Oct 25

Shipped: AI SaaS Launch Video Script Generator

#saas #ai #launch #tools

1 min read

ItsEvilDuck

Oct 25

Shipped: Punctual Planner – Auto 'Leave By' Time for Notion

#notion #productivity #tool #indiehacking

1 min read

ItsEvilDuck

Oct 25

Shipped: Goblin Engineer Personality Prompt for Agents

#ai #prompts #agents #tools

1 min read

ItsEvilDuck

Oct 25

Shipped: AI Energy Boost Prompt Template for Post-Work Fatigue

#ai #productivity #tools

1 min read

ItsEvilDuck

Oct 25

Understanding Print vs Return with a Demo Tool

#programming #debugging #developertools #education

1 min read

ItsEvilDuck

Oct 24

On-Time Arrival Assistant: Calculate Realistic Travel Times

#productivity #developertools #utility #planning

1 min read

ItsEvilDuck

Oct 24

Shipped: Devil's Advocate Prompt Template for LLM Critiques

#ai #prompts #productivity #llm

1 min read

ItsEvilDuck

Oct 23

PCEP Quick Practice CLI: Terminal-Based PCEP Review

#python #cli #education #programming

1 min read

ItsEvilDuck

Oct 23

Notion Net Payout Calculator (Percentage Fee) Shipped

#notion #finance #indiehacking #tools

1 min read

ItsEvilDuck

Oct 23

IQ Test Scorer: A Simple Script for Quick Assessment

#scripting #iqtest #assessment #webapp

1 min read

ItsEvilDuck

Oct 23

IQ Test Scorer: A Simple Script for Measuring Cognitive Ability

#webdev #javascript #tool #quiz

1 min read

ItsEvilDuck

Oct 22

Released: Reddit Post Info Extractor Python Function

#python #webdev #dataextraction

1 min read

ItsEvilDuck

Oct 22

Shipped: SaaS User Retention Analyzer

#saas #analytics #product

1 min read

ItsEvilDuck

Oct 22

JSON Response Validator for API Calls: A Debugging Helper

#webdev #api #json #debugging

1 min read

ItsEvilDuck

Oct 21

SaaS vs DIY Cost Calculator: A New Tool for Build/Buy Decisions

#buildinpublic #saas #tools #costanalysis

1 min read

ItsEvilDuck

Oct 21

Shipped: GPT Voice Simulator: Sore Throat Mode Prompt

#ai #gpt #prompt #tools

1 min read

ItsEvilDuck

Oct 21

Notion Pricing Cheat Sheet Component for Next.js

#nextjs #notion #component

1 min read

ItsEvilDuck

Oct 20

SaaS Idea Validator: Check for Open-Source Alternatives

#saas #buildinpublic #tools #startup

1 min read

ItsEvilDuck

Oct 20

Mod Request Builder: Template for Reddit Moderator Clarifications

#reddit #moderation #template #community

1 min read

ItsEvilDuck

Oct 20

Python Intermediate Concepts & Exercises Released

#python #programming #developer #machinelearning

1 min read

ItsEvilDuck

Oct 20

Date Lateness Bias Analyzer Prompt for Exploring Gender Bias

#ai #promptengineering #genderbias #social

1 min read

ItsEvilDuck

Oct 19

Audiobook Workout Timer: Track Listening During Exercise

#productivity #tools #indiehacking #audiobooks

1 min read

ItsEvilDuck

Oct 19

Audiobook Insight Synthesizer: Synthesize Learning from Audiobooks

#productivity #learning #ai #templates

1 min read

ItsEvilDuck

Oct 19

Shipped: LinkedIn Outreach Message Generator

#linkedin #automation #tool #outreach

1 min read

ItsEvilDuck

Oct 19

Consultation Offer Evaluator & Business Converter Prompt Template

#productivity #business #prompts #tools

1 min read

ItsEvilDuck

Oct 19

Abuse Detection for AI Image Generation Free Trials

#ai #saas #startup #abuseprevention

1 min read

ItsEvilDuck

Oct 18

Real-time NPC Persona Prompt for Consistent AI Character Dialogue

#ai #prompts #gamedev #llms

1 min read

ItsEvilDuck

Oct 18

Procrastination Buster: A 45-Minute Doomscroll Timer

#python #productivity #tool #developer

1 min read

ItsEvilDuck

Oct 18

Shipped: Personal Attack Detector for Content Moderation

#moderation #tools #content #utility

1 min read

ItsEvilDuck

Oct 18

Shipped: ML/AI Python Learning Path Generator

#python #machinelearning #ai #education

1 min read

ItsEvilDuck

Oct 17

Define Your MVP: Core Problem & Feature Distiller Prompt

#mvp #productmanagement #startup #promptengineering

1 min read

ItsEvilDuck

Oct 17

Robust ipydatagrid Installer & Verifier Script Shipped

#python #shellscript #tool #automation

1 min read

ItsEvilDuck

Oct 16

Script to Fix 'ipydatagrid' Module Not Found on Linux

#python #linux #script #utility

1 min read

4 Week Community Wellness Streak

2 Week Community Wellness Streak

1 Week Community Wellness Streak

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