Independent Open-Source Suite

Tools & Interactive Applications

Free, privacy-first web utilities, quantitative predictive engines, offline audio workstations, and verified directories published in the Zevbuild repository. Zero telemetry, MIT licensed.

AI
Live Engine Python + Web

Kalyan Auto-Predictor Engine

Real-time machine learning engine polling live draw results every 45s. Combines first-order Markov chains, recency weighting, and seasonal day-of-week Bayesian probabilities.

Markov Chains 30-Day Audit 79.2% Win Rate
RNG
Client-Side Crypto RNG

Top 10 Random Numbers Generator

Fast, secure cryptographic random 10-number generator. Pick independent numbers from customizable ranges (10–99+), calculate live sums and averages, and save historical roll batches.

10 Secure Picks Custom Range Roll History
₹
Browser Tool Client-Side

UPI Payment Link Generator

Generate one-click UPI payment links and high-res QR codes for Indian payments. Payers can complete transactions with a single tap without manually typing UPI handles.

NPCI Protocol Instant QR Zero Telemetry
⚡
100% Offline Web Audio

RetroWave Audio Player

Privacy-first offline HTML5 audio workstation featuring real-time Web Audio API synthwave canvas visualizers. Drag-and-drop local MP3, WAV, OGG, and M4A collections.

Canvas Visualizer Drag & Drop Air-Gapped
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Live Hub External

u2l.ai Tools Hub

Explore the live U2L AI tools directory and discover browser-first utilities for creators, automation, media, and productivity workflows.

Live Directory AI Tools Creator Stack
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yt-dlp Engine Edge Proxy

v_yt Media Extractor

Extract YouTube media directly in your browser without software installation. Supports MP4 HD 720p/1080p video and MP3 audio stream extraction via Cloudflare Pages edge functions.

MP4 1080p MP3 Audio Zero Software Install
📖
Curated Guide Clean Directory

Top 10 Video Downloaders Guide

Curated, technical evaluation of legitimate, privacy-first, open-source video downloaders and media transcoding utilities (yt-dlp, VLC, HandBrake, FFmpeg, Cobalt).

100% Sanitized Open Source CLI & GUI