VibeStack

VibeStack is the offline toolkit built for network engineers, datacenter technicians, sysadmins, and IT professionals who need reliable tools that work anywhere — including server rooms with zero signal. 8 essential tools that run 100% offline. No internet required. No accounts. No ads. No data collection. Just fast, reliable IT tools in your pocket. SUBNET BUDDY The most complete subnet calculator on mobile. Seven tabs: CIDR calculator, binary visualization, VLSM planner, supernetting, overlap checker, IP analyzer, and a cheat sheet with every CIDR block from /0 to /32. Whether you're planning a new network or troubleshooting at 2 AM, Subnet Buddy has you covered. PORT BUDDY Instant TCP/UDP port lookup with 400+ common ports searchable by number or service name. Filter by TCP, UDP, or both. Tap to copy. Every network engineer's most-used reference, always one tap away. LINUX QUICK REF 120+ essential Linux commands organized by category: networking, firewall, services, logs, SSH, file operations, text search, and more. Every command includes syntax, common flags, and real-world examples. Fully searchable with tap-to-copy. CABLE REF Visual reference for everything cabling. Color-coded T568A and T568B pinouts. Cable types: straight-through, crossover, rollover. Connector specs for RJ45, SFP, SFP+, QSFP28, and DB9. Fiber reference covering OM1 through OM5 and OS1/OS2 with max distances. Ethernet standards from Cat5 through Cat8 with speed ratings. NETFLOW Interactive troubleshooting decision trees for five common scenarios: Can't Reach Host, Slow Connection, Service Down, DNS Not Resolving, and High CPU/Load. Each step includes the exact commands to run and what to look for. Like having a senior engineer over your shoulder during an outage. TIME CALC Epoch/Unix timestamp converter with live clock, world timezone grid, duration calculator, and cron expression decoder. Essential for log analysis and correlating events across systems in different timezones. BYTE CALC Convert between bytes, KB, MB, GB, TB, and PB instantly. Estimate file transfer times at any network speed. Quick reference table of common storage sizes included. BASE CONVERT Convert between decimal, hexadecimal, octal, and binary in real time. Quick reference table of common network values: 255, 4094, 65535, subnet boundaries, VLAN ranges, and more. Perfect for MAC address parsing and ACL work. WHY VIBESTACK? 100% Offline — Works without internet. Use it in server rooms, remote sites, basements, anywhere. Zero Permissions — No camera, no location, no contacts. VibeStack asks for nothing. No Accounts — No login, no sign-up, no email. Open the app and start working. No Ads — Not now, not ever. No Data Collection — Your usage stays on your device. Period. Instant Load — Every tool opens in milliseconds. Dark Mode — Built for late-night maintenance windows and NOC shifts. WHO IT'S FOR Network engineers designing and troubleshooting enterprise networks. Datacenter technicians working hands-on with cabling and hardware. Sysadmins managing Linux servers. NOC analysts triaging alerts and correlating logs. IT students studying for CCNA, Network+, or RHCSA. Anyone in IT who wants reliable tools that just work. Built by network people, for network people. No bloat. No gimmicks. Just the tools you actually need.