Build smarter.
Create locally.
Practical software, AI projects, free tools, technical guides, and custom business systems created by Gerardo B. Galvez II.

What is ZevByte?
By Gerardo B. Galvez II
ZevByte is a technology hub created by Gerardo B. Galvez II. It brings together practical software, AI tool experiments, business applications, free developer tools, and empirical technical guides.
Local-First Philosophy
Prioritizing tools that run on local hardware with zero vendor lock-in and strict data privacy.
Real Operational Systems
Building custom business applications, court management portals, and automated workflow pipelines.
Free Developer Utilities
Creating practical CCTV, storage, network, and data calculators for technicians and developers.
Factual Documentation
Publishing original technical guides based on empirical software development experience.
Featured Projects
Active software systems and ongoing technical research
ZEV AI
Local-First Autonomous Coding Assistant
A local-first autonomous coding assistant project exploring high-velocity pair programming, deterministic tool execution, and local model orchestration on developer hardware.
⚠️ Under active research & development. Public releases and documentation will be announced upon validation.
ZEV CryptoScope
See the probability. Understand the risk.
A probabilistic crypto-market risk & analytics research project focused on objective quantitative modeling, risk surface evaluation, and historical market pattern analysis.
⚠️ Strictly an educational and analytical research project. Does not provide financial, investment, or trading advice.
CourtFeed
Sports Court Booking & Community Management Platform
A comprehensive multi-role facility management app featuring instant check-in scanning, schedule management, player dashboards, and community feeds.
ZEV Command Center
Operational & Infrastructure Management Dashboard
Centralized internal telemetry and operational control portal for monitoring local business systems, project task queues, and automated workflows.
Free Online Tools
Planned developer and security calculation utilities
CCTV Storage & Retention Days Calculator
Estimate required disk space, bandwidth, and recording duration based on camera count, resolution (1080p, 4K), frame rate (FPS), and compression codec (H.264 / H.265).
Visual Subnet & IP Range Breakdown
Interactive CIDR notation visualizer showing usable IP addresses, subnet masks, broadcast targets, and network boundaries for office networks.
System Automation ROI & Time-Savings Estimator
Calculate financial payback, hours saved per month, and efficiency gains when replacing manual business processes with custom software or internal tools.
Developer JSON / YAML & Environment Formatter
Client-side utility for validating, formatting, and converting JSON/YAML payloads and `.env` template definitions without sending data to a server.
Technical Guides
Original articles on local AI, software architecture, and TypeScript
Building Local-First AI Workflows without Cloud Lock-in
A practical guide on structuring local model orchestration, prompt isolation, and deterministic tool calls for privacy-focused developer tools.
Architecture Lessons from Building In-House Business Systems
Why off-the-shelf SaaS often falls short for operational workflows, and how custom web systems reduce operational costs and data complexity.
Pragmatic TypeScript Patterns for Reliable Web Applications
Actionable techniques for typing async state, handling API boundary validation, and avoiding excessive type complexity.
Have a project requirement?
Discuss custom web applications, internal business systems, workflow automation, or technical consultation directly with Gerardo B. Galvez II.