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

Oct 26

Shipped: Tiny Task Starter AI Prompt

#ai #productivity #tools #indiehacking

1 min read

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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

ItsEvilDuck

Oct 16

Shipped: RAM Price Per GB Scraper for DDR4/DDR5

#hardware #utility #scraper #ram

1 min read

ItsEvilDuck

Oct 16

Daily Scheduler for Dual Degree Students

#scripting #productivity #student #timemanagement

1 min read

ItsEvilDuck

Oct 16

Notion Quick Capture CLI: Fast Note-Taking from the Command Line

#cli #notion #productivity #tools

1 min read

ItsEvilDuck

Oct 16

Shipped: Intentional 6-Month Planner for Focused Planning

#planning #productivity #tools #indiehacking

1 min read

ItsEvilDuck

Oct 16

Simple SQLite CRUD GUI with PySide6: A Minimal Application

#pyside6 #sqlite #python #gui

1 min read

ItsEvilDuck

Oct 15

SlumpStop: A Terminal Tool for 30-Minute Micro-Break Reminders

#cli #productivity #tool #terminal

1 min read

ItsEvilDuck

Oct 15

Shipped: AI Focus Buddy for Micro-Task Momentum

#productivity #ai #tools #buildinpublic

1 min read

ItsEvilDuck

Oct 14

S3 Sync Helper: A Shell Script for Incremental S3 Bucket Syncs

#aws #s3 #shell #script

1 min read

ItsEvilDuck

Oct 14

AI Study Buddy – A Personal Tutor Template

#ai #education #tool

1 min read

ItsEvilDuck

Oct 14

Shipped: Guided Hint Prompt for Python Exercises

#python #ai #education #prompts

1 min read

ItsEvilDuck

Oct 13

Google Trends Fetcher & Plotter: Visualize Search Interest

#googletrends #datavisualization #tools #sellers

1 min read

ItsEvilDuck

Oct 13

FocusMate Logger: CLI Tool for Remote Work Productivity

#cli #productivity #remotework #developertools

1 min read

ItsEvilDuck

Oct 13

ChatGPT Clean Code Prompt Ships: Get Only Executable Code

#ai #developertools #coding #productivity

1 min read

ItsEvilDuck

Oct 13

AI Context Reset & Task Override Prompt Shipped

#ai #prompts #llm #tools

1 min read

ItsEvilDuck

Oct 12

Pair List Elements with Zero: A Small Data Transformation Helper

#utility #programming #data

1 min read

ItsEvilDuck

Oct 12

Shipped: Tkinter Starter for Basic Python GUI Windows

#python #tkinter #gui

1 min read

ItsEvilDuck

Oct 12

Code Crafting Mentor Prompt: AI-Assisted Code Learning

#ai #developer #coding #learning

1 min read

ItsEvilDuck

Oct 12

Shipped: Google Trends Fetcher & Plotter for Search Interest Analysis

#googletrends #dataanalysis #tool #indiehacking

1 min read

ItsEvilDuck

Oct 12

AI Mod Conflict Debugger: Troubleshoot Game Mod Conflicts

#gamedev #modding #debugging #tools

1 min read

ItsEvilDuck

Oct 11

Shipped: Race Day Social Media Announcer

#marketing #motorsports #tool #announcement

1 min read

ItsEvilDuck

Oct 11

Focus Timer with Task Switcher: Enforce Task Switching

#productivity #timer #software #developertools

1 min read

ItsEvilDuck

Oct 11

Shipped: Calm Companion Prompt for AI Assistants

#ai #prompts #tools

1 min read

ItsEvilDuck

Oct 11

Shipped: Dunder Mifflin HR Drill Prompt Template

#prompts #ai #writing #templates

1 min read

ItsEvilDuck

Oct 11

Shipped: Context-Aware Summarizer & Extractor Prompt Template

#ai #productivity #tools #promptengineering

1 min read

4 Week Community Wellness Streak

2 Week Community Wellness Streak

1 Week Community Wellness Streak

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