SPKSoftware66

5 listings we've seen · as of 5 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Developer Tools

Microcontroller pinout reference for Arduino, ESP32, Raspberry Pi

Education

Offline electrical engineering suite. Solar, Motors, Resistors, and more.

Education

Countdown & Pomodoro timers, stopwatch with laps, participant organizer, and timetable/planner tools for teachers and teams.

Education

Student attendance tracking with CSV and Excel import, local backups, behavior logging, and Excel export

Workflow & Planning

Batch rename any file type by matching filenames to a roster. Custom naming templates. Instant — no OCR or internet needed.