https://ballisticlabs.net/ 2026-05-04 weekly 1.0 https://ballisticlabs.net/device.webp Zephyr handheld ballistic computer Zephyr — pocket-sized ballistic computer with built-in anemometer, Coriolis-aware solver, and days of battery life. Alternative to the Kestrel 5700X Elite. https://ballisticlabs.net/calc 2026-05-04 monthly 0.9 https://ballisticlabs.net/demo 2026-05-04 weekly 0.8 https://ballisticlabs.net/device-mk2.webp Zephyr demo — live firmware in browser https://ballisticlabs.net/#vs-kestrel 2026-05-04 monthly 0.7 https://ballisticlabs.net/#reserve 2026-05-04 monthly 0.7 https://ballisticlabs.net/#faq 2026-05-04 monthly 0.6